From patchwork Tue May 16 19:35:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243625 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5FF14C77B7A for ; Tue, 16 May 2023 19:36:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229938AbjEPTgT (ORCPT ); Tue, 16 May 2023 15:36:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229898AbjEPTgS (ORCPT ); Tue, 16 May 2023 15:36:18 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB9EC86AE; Tue, 16 May 2023 12:36:14 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4DC4063E8A; Tue, 16 May 2023 19:36:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06C9EC4339B; Tue, 16 May 2023 19:36:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265773; bh=+r42W67OGDQQqAy2PIbpqRJtm86RNedMVE1BNsE+HVE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AOBuVWv84dy+YEirfBc0rOgB6n5+cRsHG61qC/Lnfi2dGn7Jv+JKh/H02eWWfMUF3 Ex2ZkwkMb7pU24/iLpb6Y8hKTZK4ttU1eJ2NobvkypPk2O2EnpVw+0yr+dF/PpkZQx 3eL/opgEW1QD86klpYN2w8CV+JEExP433BmmgiImAub0k+8is2vhhwVU/VPp6XDlfH 3XztpmqkQ5qaQ29gLQgBc9KgSs6vC4RdNI63NsfmLz+6t5LxvmdPqe41UvKb/ArBhl S7oIwLXWs1/hwyZUUfG2KjSn5ZNqk85FsE1YOlhxhVLrZXk744pPU+X1xr/Njx6aQp zQ2/DkqcjEvOQ== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 01/20] x86: move prepare_ftrace_return prototype to header Date: Tue, 16 May 2023 21:35:30 +0200 Message-Id: <20230516193549.544673-2-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann On 32-bit builds, the prepare_ftrace_return() function only has a global definition, but no prototype before it, which causes a warning: arch/x86/kernel/ftrace.c:625:6: warning: no previous prototype for ‘prepare_ftrace_return’ [-Wmissing-prototypes] 625 | void prepare_ftrace_return(unsigned long ip, unsigned long *parent, Move the prototype that is already needed for some configurations into a header file where it can be seen unconditionally. Signed-off-by: Arnd Bergmann Acked-by: Steven Rostedt (Google) --- arch/x86/include/asm/ftrace.h | 3 +++ arch/x86/kernel/ftrace.c | 3 --- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index 5061ac98ffa1..b8d4a07f9595 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -106,6 +106,9 @@ struct dyn_arch_ftrace { #ifndef __ASSEMBLY__ +void prepare_ftrace_return(unsigned long ip, unsigned long *parent, + unsigned long frame_pointer); + #if defined(CONFIG_FUNCTION_TRACER) && defined(CONFIG_DYNAMIC_FTRACE) extern void set_ftrace_ops_ro(void); #else diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 5e7ead52cfdb..01e8f34daf22 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -525,9 +525,6 @@ static void *addr_from_call(void *ptr) return ptr + CALL_INSN_SIZE + call.disp; } -void prepare_ftrace_return(unsigned long ip, unsigned long *parent, - unsigned long frame_pointer); - /* * If the ops->trampoline was not allocated, then it probably * has a static trampoline func, or is the ftrace caller itself. From patchwork Tue May 16 19:35:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243626 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DF4FC7EE2D for ; Tue, 16 May 2023 19:36:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229898AbjEPTgX (ORCPT ); Tue, 16 May 2023 15:36:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229889AbjEPTgW (ORCPT ); Tue, 16 May 2023 15:36:22 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0F4D7ED2; Tue, 16 May 2023 12:36:20 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6382E63DB9; Tue, 16 May 2023 19:36:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3326DC4339C; Tue, 16 May 2023 19:36:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265779; bh=1y8qB7kv+xDWqxOYw4K9L6tE3JzzzyJ6tx4iNSAnwRU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N1TfAHj/hol7TROTcUR6gshmlOixx+65a3Ny2hHWBSJC5v+DkbnglNdZhuHcyHDF1 TGrpdPBwNN+NswjZNBi8Y8axdkLspbxGTmhWJm3FISvx8uYKpFvWNvMYUCeI0BwiSq o2a0BV8veTqGfq/kZefozxrUC+JvKPGZDvIk8eukSQlrMDWDfPGou7ctUpolUaZ2wS VqKfOGtBPnd7AVKTmQ7p3HUnf7CiL3BOgYkssO0EHfiTrF/sy6ARFEYqTGdMUd/NC6 B708eZZdFX4plzFfEgIC/q+8LA6b9xp6feRVGoJ6xTNav8yRpOnn1MkAw3aOWScHlE /IvgTFvadxfTQ== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 02/20] x86: ce4100: Mark local functions as 'static' Date: Tue, 16 May 2023 21:35:31 +0200 Message-Id: <20230516193549.544673-3-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann Two functions in this file are global but have no prototype in a header and are not called from elsewhere, so they should be static: arch/x86/pci/ce4100.c:86:6: error: no previous prototype for 'sata_revid_init' [-Werror=missing-prototypes] arch/x86/pci/ce4100.c:175:5: error: no previous prototype for 'bridge_read' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/pci/ce4100.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/pci/ce4100.c b/arch/x86/pci/ce4100.c index 584c25b588b4..87313701f069 100644 --- a/arch/x86/pci/ce4100.c +++ b/arch/x86/pci/ce4100.c @@ -83,7 +83,7 @@ static void ehci_reg_read(struct sim_dev_reg *reg, u32 *value) *value |= 0x100; } -void sata_revid_init(struct sim_dev_reg *reg) +static void sata_revid_init(struct sim_dev_reg *reg) { reg->sim_reg.value = 0x01060100; reg->sim_reg.mask = 0; @@ -172,7 +172,7 @@ static inline void extract_bytes(u32 *value, int reg, int len) *value &= mask; } -int bridge_read(unsigned int devfn, int reg, int len, u32 *value) +static int bridge_read(unsigned int devfn, int reg, int len, u32 *value) { u32 av_bridge_base, av_bridge_limit; int retval = 0; From patchwork Tue May 16 19:35:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243627 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDAA8C77B7A for ; Tue, 16 May 2023 19:36:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229849AbjEPTgg (ORCPT ); Tue, 16 May 2023 15:36:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229814AbjEPTge (ORCPT ); Tue, 16 May 2023 15:36:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1193B93DD; Tue, 16 May 2023 12:36:27 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 84061633A0; Tue, 16 May 2023 19:36:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50CFDC433D2; Tue, 16 May 2023 19:36:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265786; bh=L/Qp31ZARnIa1bxC1DyJGeKMdFS5Wgtrq4kpQkQu2zw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bB9/JNuGXy+CuuSmBA1mIJQRdm3PDhpA4MNWL9vDjPPUv0Axx1Q2VLtiOmu5h4wlO ZIiveTA4vEzmvtg6jqHfnB2IA/KyFoLv58fU1C/G4RLxDtlLb+qWaDnPLIHqxp+uJN YuIEMEzwPeJyaUbpe/498ig/Aj8SroIALwN5a9JdhgsmlVncnEE6j0ApQr0CD6wwpG uayon8hFFnce7FZ+xk3f501jDfoYnSDBCEasqeaP9EuAKAaVBUhLY0N+aATStZTdOq FxWM3nrGI7ppoWHfghhJ25EqNePfkhNvOQNgYm+lOBRhMsfTshiuFBM/UygrVqzdJr FaoOyV2QyNahg== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 03/20] x86: apic: hide unused safe_smp_processor_id on UP Date: Tue, 16 May 2023 21:35:32 +0200 Message-Id: <20230516193549.544673-4-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann When CONFIG_SMP is disabled, the prototype for safe_smp_processor_id() is hidden, which causes a W=1 warning: /home/arnd/arm-soc/arch/x86/kernel/apic/ipi.c:316:5: error: no previous prototype for 'safe_smp_processor_id' [-Werror=missing-prototypes] Since there are no callers in this configuration, just hide the definition as well. Signed-off-by: Arnd Bergmann --- arch/x86/kernel/apic/ipi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c index 2a6509e8c840..9bfd6e397384 100644 --- a/arch/x86/kernel/apic/ipi.c +++ b/arch/x86/kernel/apic/ipi.c @@ -301,6 +301,7 @@ void default_send_IPI_mask_logical(const struct cpumask *cpumask, int vector) local_irq_restore(flags); } +#ifdef CONFIG_SMP /* must come after the send_IPI functions above for inlining */ static int convert_apicid_to_cpu(int apic_id) { @@ -329,3 +330,4 @@ int safe_smp_processor_id(void) return cpuid >= 0 ? cpuid : 0; } #endif +#endif From patchwork Tue May 16 19:35:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243628 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00FDFC77B7A for ; Tue, 16 May 2023 19:36:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229533AbjEPTgt (ORCPT ); Tue, 16 May 2023 15:36:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229632AbjEPTgr (ORCPT ); Tue, 16 May 2023 15:36:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50E867EE8; Tue, 16 May 2023 12:36:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9B74963E83; Tue, 16 May 2023 19:36:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6DA1EC4339B; Tue, 16 May 2023 19:36:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265792; bh=NCehg1lkd+BZGGfLe6zB+YpAMyX3wRQS6FlZqTExKsY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pMmYMmj61h1ryVXMWXgEPNi4c4GgRS8wGlxnCd9UxrJ05iwjecyfTOduY+WoqWZpO Cvm/AJCD+MXi+4Shut/6HQufiGCdANXUBd424+CiNufUW6Mt2CPMf2SX0Erut/1Yjz CZmpdbkHOQ1xlqE6pSRjeDiYME9avcj4NHsxu1xrpZ1j/RY+4x7QvymeScI7FPaZ6A 7vr/gZpCa3X1Nt6lxKZnO93JGkaChZ3M73Qb3fsEPkq2r9hKpfzvuhPaebh6V7v7p/ EnZrHT3z5U/r3Es9dGNnRROzYJFVNwRgJqycAOQQGvYgjBv9ea9EtDpGHUpfp80+kM +ZmQV+6dglcAw== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 04/20] x86: avoid unneeded __div64_32 function definition Date: Tue, 16 May 2023 21:35:33 +0200 Message-Id: <20230516193549.544673-5-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann The __div64_32() function is provided for 32-bit architectures that don't have a custom do_div() implementation. x86_32 has one, and does not use the header file that declares the function prototype, so the definition causes a W=1 warning: lib/math/div64.c:31:32: error: no previous prototype for '__div64_32' [-Werror=missing-prototypes] Define an empty macro to prevent the function definition from getting built, which avoids the warning and saves a little .text space. Signed-off-by: Arnd Bergmann --- arch/x86/include/asm/div64.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h index b8f1dc0761e4..9826d5fc12e3 100644 --- a/arch/x86/include/asm/div64.h +++ b/arch/x86/include/asm/div64.h @@ -71,6 +71,8 @@ static inline u64 mul_u32_u32(u32 a, u32 b) } #define mul_u32_u32 mul_u32_u32 +#define __div64_32 /* not needed */ + #else # include From patchwork Tue May 16 19:35:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243629 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D564EC77B7A for ; Tue, 16 May 2023 19:37:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229673AbjEPThG (ORCPT ); Tue, 16 May 2023 15:37:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229961AbjEPThE (ORCPT ); Tue, 16 May 2023 15:37:04 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56A24A24C; Tue, 16 May 2023 12:36:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B0BC663E59; Tue, 16 May 2023 19:36:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83CFFC433A1; Tue, 16 May 2023 19:36:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265798; bh=9077UjXDS1JwWtjrb4zvyxiWevrXkl5r2sPVXNElvI0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nU4bcoQ15stgmO0CsrS+eCvsm+gCXhBNBFSdZUZJDZs6Fl6sPo6aQAEbL7HvpgQPw 34YU/6UqjzMRVqANQ++OmNHESa6zNkcaFm2LUOgnGFvueZRpIj33bI3tKq9iIVMOE8 GqW/XJRm7a1E2WWrjpdlejWdGAQtbuecvIZU5NAHZBM5oQh2e9un6it3oTQsqi/lTG 5kxTBEILwkSTC+lRDq4IqynAvKjTaueAozerHdsQ+TGjB+//lEcb2OOHgN+9Q9axD4 hkpT/62nrOrSL8vWP+nEXayygL8S/uqGna9VmOHK6w0B/JcOokBXElfO8XCeFSQKdo bT2kB6PN6dMAg== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 05/20] x86: head: add dummy prototype for mk_early_pgtbl_32 Date: Tue, 16 May 2023 21:35:34 +0200 Message-Id: <20230516193549.544673-6-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann 'make W=1' warns about a function without a prototype in the x86-32 head code: arch/x86/kernel/head32.c:72:13: error: no previous prototype for 'mk_early_pgtbl_32' [-Werror=missing-prototypes] This is called from assembler code, so it does not actually need a prototype. I could not find an appropriate header for it, so just declare it in front of the definition to shut up th warning. Signed-off-by: Arnd Bergmann Reviewed-by: Alexander Lobakin --- arch/x86/kernel/head32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index 10c27b4261eb..246a609f889b 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -69,6 +69,7 @@ asmlinkage __visible void __init __noreturn i386_start_kernel(void) * to the first kernel PMD. Note the upper half of each PMD or PTE are * always zero at this stage. */ +void __init mk_early_pgtbl_32(void); void __init mk_early_pgtbl_32(void) { #ifdef __pa From patchwork Tue May 16 19:35:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243630 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FE31C77B7F for ; Tue, 16 May 2023 19:37:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229649AbjEPThO (ORCPT ); Tue, 16 May 2023 15:37:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229572AbjEPThO (ORCPT ); Tue, 16 May 2023 15:37:14 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C1B6B9; Tue, 16 May 2023 12:36:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C1BB563E89; Tue, 16 May 2023 19:36:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98313C433A4; Tue, 16 May 2023 19:36:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265804; bh=LoIviGdfSLH1ko7JOljz+WAWBtvFrxU7baITA30Kitg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f0SoTDZCBXANhO1JcRHoynXaLVhlO4XJ4vTd5g+5q0mXl9+dwihXQSjEJ2aF5PXD/ YJxxo2zEzGeYvPkjnpK4ydF8PNotm4sCoP7sIPFgPh0+jYX3ClFJbP9hWa/pr/81FH rmiMLwAicNzJUMwErqx6DSJsta/whdlp/sC/tZT1cvxj5paHYr0r+8Nyyo5u5xkv5T 3r84XCOMO59rOsDFBM8wNIcW0zhbFHV1ety++q1mSUr8ScvUEZcAnGwKVpfu1h2uwR waDu2tWolCE9YEYKKmG7d67vPlyLJ4ZYk6cOavjtt4C56mPdY+e8uvRCKegTvnFXKC xnJG4ywBEjUvw== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 06/20] x86: math-emu: include asm/fpu/regset.h Date: Tue, 16 May 2023 21:35:35 +0200 Message-Id: <20230516193549.544673-7-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann The fpregs_soft_set/fpregs_soft_get functions are declared in a header that is not included in the file that defines them, causing a W=1 warning: /home/arnd/arm-soc/arch/x86/math-emu/fpu_entry.c:638:5: error: no previous prototype for 'fpregs_soft_set' [-Werror=missing-prototypes] 638 | int fpregs_soft_set(struct task_struct *target, | ^~~~~~~~~~~~~~~ /home/arnd/arm-soc/arch/x86/math-emu/fpu_entry.c:690:5: error: no previous prototype for 'fpregs_soft_get' [-Werror=missing-prototypes] 690 | int fpregs_soft_get(struct task_struct *target, Include the file here to avoid the warning. Signed-off-by: Arnd Bergmann --- arch/x86/math-emu/fpu_entry.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c index 7fe56c594aa6..91c52ead1226 100644 --- a/arch/x86/math-emu/fpu_entry.c +++ b/arch/x86/math-emu/fpu_entry.c @@ -32,6 +32,7 @@ #include #include #include +#include #include "fpu_system.h" #include "fpu_emu.h" From patchwork Tue May 16 19:35:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243632 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 98554C7EE24 for ; Tue, 16 May 2023 19:37:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230036AbjEPThj (ORCPT ); Tue, 16 May 2023 15:37:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230056AbjEPThf (ORCPT ); Tue, 16 May 2023 15:37:35 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BACB86AF; Tue, 16 May 2023 12:37:03 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D676B63DBE; Tue, 16 May 2023 19:36:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AB288C433D2; Tue, 16 May 2023 19:36:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265810; bh=UIw2cpO0M7mgQJomy8Z1KQIbzqHPSHzZkNPw0ZSZdik=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JMo/H+dcAwoiU2BvKT+/qzV35hAeKJ89YTDQRfZVp5VuxZ7AAwO6XIq6mGKGPLHPM n9Kgl0NxgfysUuyDXpoIpuKvgQDWBsj4qr+esrqhkg9QY7EaCjoIEcFFWSEs2pEGzA FnkLwXZ2J/6v8Go5SZJp9S7qOEGXEQwUg5o1OEKHvC0coA5trawZlHiYQ1s91VRsLo WQUb4Fjw53QsgtZj9Y0iaE8RIw4x3ZsPuMC/axFjq2EAqnJ7Ryi+ghY1T0ksu98x57 czRJOOwVX2pWrVR691opbv/O3yATTIWa99EE41FEQBTMfS2DReIvbrilOoBUrVW/Kl t+ouxwrQLLJeA== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 07/20] x86: doublefault: avoid missing-prototype warnings Date: Tue, 16 May 2023 21:35:36 +0200 Message-Id: <20230516193549.544673-8-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann Two functions in the 32-bit doublefault code are lacking a prototype: arch/x86/kernel/doublefault_32.c:23:36: error: no previous prototype for 'doublefault_shim' [-Werror=missing-prototypes] 23 | asmlinkage noinstr void __noreturn doublefault_shim(void) | ^~~~~~~~~~~~~~~~ arch/x86/kernel/doublefault_32.c:114:6: error: no previous prototype for 'doublefault_init_cpu_tss' [-Werror=missing-prototypes] 114 | void doublefault_init_cpu_tss(void) The first one is only called from assembler, while the second one is declared in doublefault.h, but this file is not included. Include the header file and add the other declaration there as well. Signed-off-by: Arnd Bergmann --- arch/x86/include/asm/doublefault.h | 4 ++++ arch/x86/kernel/doublefault_32.c | 1 + 2 files changed, 5 insertions(+) diff --git a/arch/x86/include/asm/doublefault.h b/arch/x86/include/asm/doublefault.h index 54a6e4a2e132..de0e88b32207 100644 --- a/arch/x86/include/asm/doublefault.h +++ b/arch/x86/include/asm/doublefault.h @@ -2,6 +2,8 @@ #ifndef _ASM_X86_DOUBLEFAULT_H #define _ASM_X86_DOUBLEFAULT_H +#include + #ifdef CONFIG_X86_32 extern void doublefault_init_cpu_tss(void); #else @@ -10,4 +12,6 @@ static inline void doublefault_init_cpu_tss(void) } #endif +asmlinkage void __noreturn doublefault_shim(void); + #endif /* _ASM_X86_DOUBLEFAULT_H */ diff --git a/arch/x86/kernel/doublefault_32.c b/arch/x86/kernel/doublefault_32.c index 3b58d8703094..6eaf9a6bc02f 100644 --- a/arch/x86/kernel/doublefault_32.c +++ b/arch/x86/kernel/doublefault_32.c @@ -9,6 +9,7 @@ #include #include #include +#include #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM) From patchwork Tue May 16 19:35:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243631 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95484C77B7A for ; Tue, 16 May 2023 19:37:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229981AbjEPThj (ORCPT ); Tue, 16 May 2023 15:37:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229770AbjEPThe (ORCPT ); Tue, 16 May 2023 15:37:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38E6193ED; Tue, 16 May 2023 12:37:02 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E710B63E94; Tue, 16 May 2023 19:36:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF1AFC4339C; Tue, 16 May 2023 19:36:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265816; bh=QhfcjWc94ABit5CqNae5vJwGdRyTTfKtDRBYc+KBnK8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MvDSmMsr+ldstYZFWxt0d/Qx2DvIFE1q3iE1Bqb+M+VmlMkwcfXpUcl5LvraEDI6S HnWIuY+SqiBpKZk8dhmFw5ETZeXvKwhiOJcQGWdhuNVfBEaKkHmXH0FVPCeGls5BT5 vQMZLkokAMdjoie4w/QtXptZ4gsEiXXyWgx+GJHuazf/GDKjvdN6Gt3EWJ4oMBeTkr FvGz1X+Q4Zbr9Q6Y3k/+TvHBSHypXy399/8SZG8zFY/uPkbqkgKPF1SzwLyfarV+rm t6q653S9gdfUGKRgliLv3S1pFZQjCqHtNzTcpq1utdvmK5duCxYK7yPT5e0S7iC690 mE1gVTCKwKBiQ== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 08/20] x86: highmem: include asm/numa.h for set_highmem_pages_init Date: Tue, 16 May 2023 21:35:37 +0200 Message-Id: <20230516193549.544673-9-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann The set_highmem_pages_init() function is declared in asm/numa.h, which must be included in the file that defines it to avoid a W=1 warning: arch/x86/mm/highmem_32.c:7:13: error: no previous prototype for 'set_highmem_pages_init' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/mm/highmem_32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index 2c54b76d8f84..d9efa35711ee 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -3,6 +3,7 @@ #include #include /* for totalram_pages */ #include +#include void __init set_highmem_pages_init(void) { From patchwork Tue May 16 19:35:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243634 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FCF4C77B7A for ; Tue, 16 May 2023 19:37:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229785AbjEPThx (ORCPT ); Tue, 16 May 2023 15:37:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229712AbjEPThp (ORCPT ); Tue, 16 May 2023 15:37:45 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1236D180; Tue, 16 May 2023 12:37:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0BBCD63E9E; Tue, 16 May 2023 19:37:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD2D1C433AC; Tue, 16 May 2023 19:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265822; bh=DMCbu5Ck8nL16laCe8gzQ409+Zy7oFJ6XN+76haQQGQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q3CPblb9vbnnqFuY1tw61aFfK9l0Nhj6hfccpdSnjngrZvApvgdIxViPf4vjP57Qt qFvGozg2KkPlPBN+rhtss57IV7tT1g8FtyasUBtWiN829+Muh+cn2shwW83ND+k0Cc FplnF09GMWMj2fcC0b4/jJX2TTCfua7UEdLt0MdxFgk7PQtYpG9Ml8CxcQcizGiZaB ZR03FhPL6TM5aGirSEx1n5ym6Z3bavzahWDpVyLa0GqRqs2Kjp4+nNz+wxsThyDUFs rdCC/oV4Ld02UzX5Lf0ab8U3AP0KQT6Q7EydXL76RrAs/+USlWya2sP3b0UpG2emEd pAwthPxEXYTPA== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 09/20] x86: platform_quirks: include linux/pnp.h for arch_pnpbios_disabled Date: Tue, 16 May 2023 21:35:38 +0200 Message-Id: <20230516193549.544673-10-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann arch_pnpbios_disabled() is defined in architecture code on x86, but this does not include the appropriate header, causing a warning: arch/x86/kernel/platform-quirks.c:42:13: error: no previous prototype for 'arch_pnpbios_disabled' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/kernel/platform-quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/platform-quirks.c b/arch/x86/kernel/platform-quirks.c index b348a672f71d..b525fe6d6657 100644 --- a/arch/x86/kernel/platform-quirks.c +++ b/arch/x86/kernel/platform-quirks.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include +#include #include #include From patchwork Tue May 16 19:35:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243636 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91B91C7EE2C for ; Tue, 16 May 2023 19:38:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230167AbjEPTiF (ORCPT ); Tue, 16 May 2023 15:38:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230091AbjEPThy (ORCPT ); Tue, 16 May 2023 15:37:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 979CB3C10; Tue, 16 May 2023 12:37:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 23FF66372E; Tue, 16 May 2023 19:37:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EAB46C433D2; Tue, 16 May 2023 19:37:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265828; bh=9mGjBlJh/v4od95uyV8nA9/tvAI7Fp8HXXcZE+gBPXw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dchZZo9WqmTT5pXqQ91IEEzoZcfaltTNsqPX8uCQB2EtS7z6X18KvPkxGsTqXf4Im FZs0O9Gu21RgjwUSracQfDCkupgQf81CrS65a+HuQhXicxa375U5tO5k2auE3ZkfIX SKZBxS0YIyNz60tANL/6BP3KH5Ub5veXwRzbRJxH/VCBU7GKgNIbVhmkVUIQ8Vs5kv 5GszcMPQCxAVwJPTq5LqISilKOY4ClP6e9zRYaqOL34Yi0tc5tzpXafXUnVrKXNOO3 TsvuruEr2W76ZTF/RJBhwZwLfH80cVdeikTgUUcvyM1yAbkQhHNiX6snxmVt/CTQZJ lgJDvr4/QBZSw== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 10/20] x86: xen: add missing prototypes Date: Tue, 16 May 2023 21:35:39 +0200 Message-Id: <20230516193549.544673-11-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann arch/x86/xen/enlighten_pv.c:1233:34: error: no previous prototype for 'xen_start_kernel' [-Werror=missing-prototypes] arch/x86/xen/irq.c:22:14: error: no previous prototype for 'xen_force_evtchn_callback' [-Werror=missing-prototypes] arch/x86/xen/mmu_pv.c:358:20: error: no previous prototype for 'xen_pte_val' [-Werror=missing-prototypes] arch/x86/xen/mmu_pv.c:366:20: error: no previous prototype for 'xen_pgd_val' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/xen/efi.c | 2 ++ arch/x86/xen/smp.h | 3 +++ arch/x86/xen/xen-ops.h | 14 ++++++++++++++ include/xen/xen.h | 3 +++ 4 files changed, 22 insertions(+) diff --git a/arch/x86/xen/efi.c b/arch/x86/xen/efi.c index 7d7ffb9c826a..863d0d6b3edc 100644 --- a/arch/x86/xen/efi.c +++ b/arch/x86/xen/efi.c @@ -16,6 +16,8 @@ #include #include +#include "xen-ops.h" + static efi_char16_t vendor[100] __initdata; static efi_system_table_t efi_systab_xen __initdata = { diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h index 22fb982ff971..cbc45e2462f5 100644 --- a/arch/x86/xen/smp.h +++ b/arch/x86/xen/smp.h @@ -2,6 +2,9 @@ #ifndef _XEN_SMP_H #ifdef CONFIG_SMP + +asmlinkage void cpu_bringup_and_idle(void); + extern void xen_send_IPI_mask(const struct cpumask *mask, int vector); extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask, diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 6d7f6318fc07..0f71ee3fe86b 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -160,4 +160,18 @@ void xen_hvm_post_suspend(int suspend_cancelled); static inline void xen_hvm_post_suspend(int suspend_cancelled) {} #endif +void xen_force_evtchn_callback(void); +pteval_t xen_pte_val(pte_t pte); +pgdval_t xen_pgd_val(pgd_t pgd); +pte_t xen_make_pte(pteval_t pte); +pgd_t xen_make_pgd(pgdval_t pgd); +pmdval_t xen_pmd_val(pmd_t pmd); +pmd_t xen_make_pmd(pmdval_t pmd); +pudval_t xen_pud_val(pud_t pud); +pud_t xen_make_pud(pudval_t pud); +p4dval_t xen_p4d_val(p4d_t p4d); +p4d_t xen_make_p4d(p4dval_t p4d); +pte_t xen_make_pte_init(pteval_t pte); +void xen_start_kernel(struct start_info *si); + #endif /* XEN_OPS_H */ diff --git a/include/xen/xen.h b/include/xen/xen.h index 0efeb652f9b8..f989162983c3 100644 --- a/include/xen/xen.h +++ b/include/xen/xen.h @@ -31,6 +31,9 @@ extern uint32_t xen_start_flags; #include extern struct hvm_start_info pvh_start_info; +void xen_prepare_pvh(void); +struct pt_regs; +void xen_pv_evtchn_do_upcall(struct pt_regs *regs); #ifdef CONFIG_XEN_DOM0 #include From patchwork Tue May 16 19:35:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243633 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2005C77B7A for ; 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d=kernel.org; s=k20201202; t=1684265834; bh=+aTnWzkkpkhZD/Q7mAQ3dRAZxC9ekU9RPhso/2vdjUI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iMBAvFb2VaJhJEHCkXY8xN9dopzfCYxzGAVtlxmPc4ecgoxsfcVqAYWppizbCyYp/ VTvljPsItuhT+KslruGdf17RZHnkXZTeI5SNB0HcVA3Q2is1QzaTJ7NIWpw6KBUWf/ zV4XavdE98t65jnuE5hyhNvdFmgDjcz0+x8JQ3Pa2M+Ke5oMTbpixoiurollUeJB73 blh6OUjzwzOwaiTkJeA6SFn1+VvUJj1MKmXFKzsle/9hQMjVA4gOvU8RBqzqzy+ig5 svmuwCrWyPhEepXDnslmThYsgGibYlGdcBhMAypATUJEGwuGF8kbOigthqqwhCFfB8 Ic0+xYNIrQ58Q== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 11/20] x86: entry: add do_SYSENTER_32() prototype Date: Tue, 16 May 2023 21:35:40 +0200 Message-Id: <20230516193549.544673-12-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann The 32-bit system call entry points can be called on both 32-bit and 64-bit kernels, but on the former the declarations are hidden: arch/x86/entry/common.c:238:24: error: no previous prototype for 'do_SYSENTER_32' [-Werror=missing-prototypes] Move them all out of the #ifdef block to avoid the warnings. Signed-off-by: Arnd Bergmann --- arch/x86/include/asm/syscall.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index 5b85987a5e97..4fb36fba4b5a 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -127,9 +127,11 @@ static inline int syscall_get_arch(struct task_struct *task) } void do_syscall_64(struct pt_regs *regs, int nr); -void do_int80_syscall_32(struct pt_regs *regs); -long do_fast_syscall_32(struct pt_regs *regs); #endif /* CONFIG_X86_32 */ +void do_int80_syscall_32(struct pt_regs *regs); +long do_fast_syscall_32(struct pt_regs *regs); +long do_SYSENTER_32(struct pt_regs *regs); + #endif /* _ASM_X86_SYSCALL_H */ From patchwork Tue May 16 19:35:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243638 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B772C7EE23 for ; Tue, 16 May 2023 19:38:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230259AbjEPTiW (ORCPT ); Tue, 16 May 2023 15:38:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230214AbjEPTiI (ORCPT ); Tue, 16 May 2023 15:38:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 592EDA24F; Tue, 16 May 2023 12:37:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 71AA863EA8; Tue, 16 May 2023 19:37:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31EEEC433D2; Tue, 16 May 2023 19:37:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265840; bh=HzuyPJn9FfyStpC9b/gY3UOkJ1RIpy94E010iL3VMAA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lyMTmn90wbr/qFgLkHQFxSX2cjoGcxvnL1nVSavn0cO0jwQAdZ0abIUvOOmHaJE4h SRKGKH4YuALaqYyeDXwC2rmXjbD8x3uOm+2hb9k6zSm0RE9k2ye4pRA7pKDh/KFcUg 74ThzTAjh7UyyblnQImUp9i/blUb9mBsmos5h+x7AgL6jhJm2i+7HlTCuZjmpcKHzQ a92UzT+0fGfuHuE9dTXbB60MlSLud/EeFS1nvtAW1I2R9HUD4pSyK9Lo7mDNBfABSe uLCctFq8BxZkKc2zL5wl5wy4XGrTMum5M9PugMRDnqjPC1nckk1AZSNKzdl5PpJ2N5 Yjoqi6uLxWodA== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 12/20] x86: qspinlock-paravirt: fix mising-prototype warnings Date: Tue, 16 May 2023 21:35:41 +0200 Message-Id: <20230516193549.544673-13-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann __pv_queued_spin_unlock_slowpath is defined in a header file as a global function, and designed to be called from an inline asm, but there is no prototype visible in the definition: kernel/locking/qspinlock_paravirt.h:493:1: error: no previous prototype for '__pv_queued_spin_unlock_slowpath' [-Werror=missing-prototypes] Add this to the x86 header that contains the inline asm calling it, and ensure this gets included before the definition, rather than after it. The native_pv_lock_init function in turn is only declared in SMP builds but can be left out in UP to avoid another warning: arch/x86/kernel/paravirt.c:76:13: error: no previous prototype for 'native_pv_lock_init' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/include/asm/qspinlock_paravirt.h | 2 ++ arch/x86/kernel/paravirt.c | 2 ++ kernel/locking/qspinlock_paravirt.h | 20 ++++++++++---------- 3 files changed, 14 insertions(+), 10 deletions(-) diff --git a/arch/x86/include/asm/qspinlock_paravirt.h b/arch/x86/include/asm/qspinlock_paravirt.h index 42b17cf10b10..85b6e3609cb9 100644 --- a/arch/x86/include/asm/qspinlock_paravirt.h +++ b/arch/x86/include/asm/qspinlock_paravirt.h @@ -4,6 +4,8 @@ #include +void __lockfunc __pv_queued_spin_unlock_slowpath(struct qspinlock *lock, u8 locked); + /* * For x86-64, PV_CALLEE_SAVE_REGS_THUNK() saves and restores 8 64-bit * registers. For i386, however, only 1 32-bit register needs to be saved diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index ac10b46c5832..eb67aa4cc5ef 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -73,11 +73,13 @@ DEFINE_PARAVIRT_ASM(pv_native_read_cr2, "mov %cr2, %rax", .noinstr.text); DEFINE_STATIC_KEY_TRUE(virt_spin_lock_key); +#ifdef CONFIG_SMP void __init native_pv_lock_init(void) { if (!boot_cpu_has(X86_FEATURE_HYPERVISOR)) static_branch_disable(&virt_spin_lock_key); } +#endif unsigned int paravirt_patch(u8 type, void *insn_buff, unsigned long addr, unsigned int len) diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h index 6afc249ce697..6a0184e9c234 100644 --- a/kernel/locking/qspinlock_paravirt.h +++ b/kernel/locking/qspinlock_paravirt.h @@ -485,6 +485,16 @@ pv_wait_head_or_lock(struct qspinlock *lock, struct mcs_spinlock *node) return (u32)(atomic_read(&lock->val) | _Q_LOCKED_VAL); } +/* + * Include the architecture specific callee-save thunk of the + * __pv_queued_spin_unlock(). This thunk is put together with + * __pv_queued_spin_unlock() to make the callee-save thunk and the real unlock + * function close to each other sharing consecutive instruction cachelines. + * Alternatively, architecture specific version of __pv_queued_spin_unlock() + * can be defined. + */ +#include + /* * PV versions of the unlock fastpath and slowpath functions to be used * instead of queued_spin_unlock(). @@ -533,16 +543,6 @@ __pv_queued_spin_unlock_slowpath(struct qspinlock *lock, u8 locked) pv_kick(node->cpu); } -/* - * Include the architecture specific callee-save thunk of the - * __pv_queued_spin_unlock(). This thunk is put together with - * __pv_queued_spin_unlock() to make the callee-save thunk and the real unlock - * function close to each other sharing consecutive instruction cachelines. - * Alternatively, architecture specific version of __pv_queued_spin_unlock() - * can be defined. - */ -#include - #ifndef __pv_queued_spin_unlock __visible __lockfunc void __pv_queued_spin_unlock(struct qspinlock *lock) { From patchwork Tue May 16 19:35:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243635 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 002FEC77B7A for ; Tue, 16 May 2023 19:38:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230052AbjEPTiE (ORCPT ); Tue, 16 May 2023 15:38:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57674 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230104AbjEPThx (ORCPT ); Tue, 16 May 2023 15:37:53 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43F8093FA; Tue, 16 May 2023 12:37:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 92CDE63EAB; Tue, 16 May 2023 19:37:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57333C4339B; Tue, 16 May 2023 19:37:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265847; bh=J5EKXsQ8JpkrI9Gz8p7tvN4WBF349kQdKYOIvFSrsNU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XIN+eFgSG5axh0khDn+f/DfiFa2fy/Gl7HlqCu4DFGR/Gh/jJBZE6kogRn1pGLSf0 H7p3sJKdHoW15hlgh4PqRp1aSRxoJGu8xkUBD8UOV/7Wc3R0dnNCmKZ0BDGWJZb8D1 oH2yP6PbTSse4jjfW7V1Oui8ScgC+ip8wsTfipPJG3h+KlhBMS7cqSGZFq5vDlKiy0 RswG11Urln0rfwHreMBoCRqO+yKcqFn55K7Ppwg4ukMOh1RtnbSr9DTsibIdx1NEsh DnzXMlfpiLzkeqt66J/wTfnFD+0D1bBh1mk3F7Als3cmaZdCeWg7QJDwUyVhPN3vUW T784GEZx+Ea6A== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 13/20] x86: hibernate: declare global functions in suspend.h Date: Tue, 16 May 2023 21:35:42 +0200 Message-Id: <20230516193549.544673-14-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann Three functions that are defined in x86 specific code to override generic __weak implementations cause a warning because of a missing prototype: arch/x86/power/cpu.c:298:5: error: no previous prototype for 'hibernate_resume_nonboot_cpu_disable' [-Werror=missing-prototypes] arch/x86/power/hibernate.c:129:5: error: no previous prototype for 'arch_hibernation_header_restore' [-Werror=missing-prototypes] arch/x86/power/hibernate.c:91:5: error: no previous prototype for 'arch_hibernation_header_save' [-Werror=missing-prototypes] Move the declarations into a global header so it can be included by any file defining one of these. Signed-off-by: Arnd Bergmann --- include/linux/suspend.h | 4 ++++ kernel/power/power.h | 5 ----- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 7ec73e77e652..bc911fecb8e8 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -452,6 +452,10 @@ extern struct pbe *restore_pblist; int pfn_is_nosave(unsigned long pfn); int hibernate_quiet_exec(int (*func)(void *data), void *data); +int hibernate_resume_nonboot_cpu_disable(void); +int arch_hibernation_header_save(void *addr, unsigned int max_size); +int arch_hibernation_header_restore(void *addr); + #else /* CONFIG_HIBERNATION */ static inline void register_nosave_region(unsigned long b, unsigned long e) {} static inline int swsusp_page_is_forbidden(struct page *p) { return 0; } diff --git a/kernel/power/power.h b/kernel/power/power.h index b83c8d5e188d..a6a16faf0ead 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -26,9 +26,6 @@ extern void __init hibernate_image_size_init(void); /* Maximum size of architecture specific data in a hibernation header */ #define MAX_ARCH_HEADER_SIZE (sizeof(struct new_utsname) + 4) -extern int arch_hibernation_header_save(void *addr, unsigned int max_size); -extern int arch_hibernation_header_restore(void *addr); - static inline int init_header_complete(struct swsusp_info *info) { return arch_hibernation_header_save(info, MAX_ARCH_HEADER_SIZE); @@ -41,8 +38,6 @@ static inline const char *check_image_kernel(struct swsusp_info *info) } #endif /* CONFIG_ARCH_HIBERNATION_HEADER */ -extern int hibernate_resume_nonboot_cpu_disable(void); - /* * Keep some memory free so that I/O operations can succeed without paging * [Might this be more than 4 MB?] From patchwork Tue May 16 19:35:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243640 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C545C7EE24 for ; Tue, 16 May 2023 19:38:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230314AbjEPTif (ORCPT ); Tue, 16 May 2023 15:38:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230131AbjEPTiW (ORCPT ); Tue, 16 May 2023 15:38:22 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE904A5DE; Tue, 16 May 2023 12:38:01 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B72EA63EB1; Tue, 16 May 2023 19:37:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B617C4339C; Tue, 16 May 2023 19:37:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265853; bh=VUIVbi0JrRPfajUkNZclAh0STTeBs9rnHGdAvoTKkf0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mC+M7eKABjyFWUz3ahztx+5ej0UDKRHny6IDcOOkOBb7T8TKyoOo1fQHoeIhY+UJr sMwYJWriml+CN5IT55dh+Y3N4Qkk1jy6sqNrI9NQRSoJY9QmUi1UgvCpWOpG8IrCEn JOOcmypp8HYKXesh78Zw9Mn2B1hMfzJ5E0vHwnVhf9EWjHBjng/8AutDQDYVKbiQni nhbYm4YAKuzLx1TphcnEliNa7XAqoVH4gMMnVTi3+fU11+7fSp55kbWmoZSJxYHgWE bkp6SUDmTbzTpuvHIao5LyGY8w2RZRYUNYlNHTF5PTUou4JACCZ0eU58pOVKhjr1zj +aqQ1XVbdlOGQ== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 14/20] x86: fbdev: include asm/fb.h as needed Date: Tue, 16 May 2023 21:35:43 +0200 Message-Id: <20230516193549.544673-15-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann fb_is_primary_device() is defined as a global function on x86, unlike the others that have an inline version. The file that defines is however needs to include the declaration to avoid a warning: arch/x86/video/fbdev.c:14:5: error: no previous prototype for 'fb_is_primary_device' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/video/fbdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/video/fbdev.c b/arch/x86/video/fbdev.c index 9fd24846d094..9e9143085d19 100644 --- a/arch/x86/video/fbdev.c +++ b/arch/x86/video/fbdev.c @@ -10,6 +10,7 @@ #include #include #include +#include int fb_is_primary_device(struct fb_info *info) { From patchwork Tue May 16 19:35:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3784AC77B7A for ; Tue, 16 May 2023 19:38:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230195AbjEPTiH (ORCPT ); Tue, 16 May 2023 15:38:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229464AbjEPTh7 (ORCPT ); Tue, 16 May 2023 15:37:59 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21A674EE1; Tue, 16 May 2023 12:37:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CF33C63E89; Tue, 16 May 2023 19:37:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B6AFC433EF; Tue, 16 May 2023 19:37:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265859; bh=wLf8lxCTTft8AHgx+lACsU6Y90fX557lCughigKxTwU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lzNvSRgB1AKUSR+3LeaTPh3l60rOTsZilQhWDzOcQ+x5oMBRGFpj+Je09FDcA2oKs bQKEk9CQaOZxW+LjeDZNGHoi1VyqvarfbYPZrFtOwIBWfmcUKXnPsDxk3K2zk5rI3y gwROMzkPtIsOFqQj7b/viChMDejdNvfGdFXbZ5vHvg75Pj4BpgPv1EfIB110tOzdqm cbrsbReFRHuvu0B87vAMax0fJ9PYXNdrYINAB0Gk032nABAs1PIVnq46ho2ehxCbAo 4W56TKdQY4nVBka2U6Mo+efkQ7TvUoLDyo62gyH/6bIRgyrLCuMeysKv+AAj4wS8d9 cMd2D7IKCRhyg== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 15/20] x86: mce: add copy_mc_fragile_handle_tail prototype Date: Tue, 16 May 2023 21:35:44 +0200 Message-Id: <20230516193549.544673-16-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann copy_mc_fragile_handle_tail() is only called from assembler, but 'make W=1' complains about a missing prototype: arch/x86/lib/copy_mc.c:26:1: warning: no previous prototype for ‘copy_mc_fragile_handle_tail’ [-Wmissing-prototypes] 26 | copy_mc_fragile_handle_tail(char *to, char *from, unsigned len) Add the prototype to avoid the warning. Signed-off-by: Arnd Bergmann --- arch/x86/include/asm/mce.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 9646ed6e8c0b..180b1cbfcc4e 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -350,4 +350,7 @@ static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { } #endif static inline void mce_hygon_feature_init(struct cpuinfo_x86 *c) { return mce_amd_feature_init(c); } + +unsigned long copy_mc_fragile_handle_tail(char *to, char *from, unsigned len); + #endif /* _ASM_X86_MCE_H */ From patchwork Tue May 16 19:35:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243643 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E59AC7EE23 for ; Tue, 16 May 2023 19:38:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230225AbjEPTi5 (ORCPT ); Tue, 16 May 2023 15:38:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230397AbjEPTir (ORCPT ); Tue, 16 May 2023 15:38:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B6D08A58; Tue, 16 May 2023 12:38:25 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E945D63E22; Tue, 16 May 2023 19:37:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5BB4C433D2; Tue, 16 May 2023 19:37:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265865; bh=ePOLp5lrYksDFnI5SruvVtfGvFIosnERaoYqbpISZdc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QzHHLwTINJvvcADDWDAFD53gb0rzvbfM+9frChQz9nOeJdPvDbN96AuXaWQc9Zvxr aIMvdYvF3T+QNbI/k5wpwc6MSujK2ulBi7AB+gIW4MAFtORYIB6dloPpaU3136n4im 28e0oQ/gFuMmWEVqE32GvMwA8QC1R8ZOSDj5aB75yht+WU7UenY2JSg291k/G5ntiU 9aBuw8l68CYZc+TZWL+A0oDAj4k2nTmi3WAfSETq8X/lpMsTNhdlRU1e3qXY/DCjc8 kbTXiAG5OAPFlElt+nbApNzKv5CT7DQpkoHI/Mebhyj1HGkKmozLCY+jMgkk1Bebd7 De/Gp233G0FBg== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 16/20] x86: vdso: include vdso/processor.h Date: Tue, 16 May 2023 21:35:45 +0200 Message-Id: <20230516193549.544673-17-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann __vdso_getcpu is declared in a header but this is not included before the definition, causing a W=1 warning: arch/x86/entry/vdso/vgetcpu.c:13:1: error: no previous prototype for '__vdso_getcpu' [-Werror=missing-prototypes] arch/x86/entry/vdso/vdso32/../vgetcpu.c:13:1: error: no previous prototype for '__vdso_getcpu' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/entry/vdso/vgetcpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/entry/vdso/vgetcpu.c b/arch/x86/entry/vdso/vgetcpu.c index 0a9007c24056..e4640306b2e3 100644 --- a/arch/x86/entry/vdso/vgetcpu.c +++ b/arch/x86/entry/vdso/vgetcpu.c @@ -8,6 +8,7 @@ #include #include #include +#include notrace long __vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused) From patchwork Tue May 16 19:35:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243639 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25B66C77B7A for ; Tue, 16 May 2023 19:38:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229604AbjEPTie (ORCPT ); Tue, 16 May 2023 15:38:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230125AbjEPTiV (ORCPT ); Tue, 16 May 2023 15:38:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF910A26E; Tue, 16 May 2023 12:37:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0E28563E94; Tue, 16 May 2023 19:37:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CC9F0C4339C; Tue, 16 May 2023 19:37:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265871; bh=gSQe4II2iJtS+QQtWHfwrqCvLdxK7Wzo7e0HtFoFV5g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j20kxPBBFRIlxqq0mFZaJS7pQ1cCrLadjW3BuMisWulwenHNraGn3QWbXEUvelZB9 k8AScRxshCwAwrVHCxXAtcvrlQ6DnbnlQVpLaumX7l4EAkHg/GHsGYTQGiOvmWdeHV nnvqCAqbFDpb6jdopaiVGQxZ8tQP14F6vLmY6rEGNbIsMSxZRZfWCAbLoJmiLJul9v mHgb9qRmHAMRdPNwGH1ZJuxcpbeasYeDWHN2uDuIqWD3/Br6dub6irvZhT2xBqimyR 5zR/L6TK+jHMgzzDqKoPOtdy3hz/UK9lh7gf7JJ+DhFN6pkHpaPxXMMg+7/fxjhdum PLw3akFNr0smA== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 17/20] x86: usercopy: include arch_wb_cache_pmem declaration Date: Tue, 16 May 2023 21:35:46 +0200 Message-Id: <20230516193549.544673-18-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann arch_wb_cache_pmem() is declared in a global header but defined by the architecture. On x86, the implementation needs to include the header to avoid this warning: arch/x86/lib/usercopy_64.c:39:6: error: no previous prototype for 'arch_wb_cache_pmem' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/x86/lib/usercopy_64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index 003d90138e20..e9251b89a9e9 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -9,6 +9,7 @@ #include #include #include +#include /* * Zero Userspace From patchwork Tue May 16 19:35:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243644 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06980C77B7A for ; Tue, 16 May 2023 19:39:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229534AbjEPTjO (ORCPT ); Tue, 16 May 2023 15:39:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229454AbjEPTjN (ORCPT ); Tue, 16 May 2023 15:39:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C46ABD2DD; Tue, 16 May 2023 12:38:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1C3E563E87; Tue, 16 May 2023 19:37:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E563AC433EF; Tue, 16 May 2023 19:37:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265877; bh=BMgSzYPnqUEEoyY2VRZWSxLxvLKRRE/JigFmOP6CVm8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NpGBW3oQfGokP+EqO9HPXqgBNDkoc36H1oosSB5XjEzBOg7yBtWPUSvXBHiX4Rn4Q nPdmLvbLNil6YudLmIUT16A//m5E1l/d5GoNjyYA+FGYUUcB0t2DXV/Y8FzJPsCm/g WSjrQhVBlok700vqB4usp49fWyRCAVJCMtG/hOkniDZfEqspZMur4GNXocMx9PVPyv JJe6IYAyEollD++tusMr4MFE1ysVhpCHJNBmX4uqv8rrV1pvWM156/dMfMSZOF9/ow oYS4tnWysUdqiVHzAJ2DPP9MsHPpjO23QeTGlMaWQS4Y+XN+rqnjj3iE0utAy7m/f2 S+exm0cd8OABA== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 18/20] x86: ioremap: add early_memremap_pgprot_adjust prototype Date: Tue, 16 May 2023 21:35:47 +0200 Message-Id: <20230516193549.544673-19-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann early_memremap_pgprot_adjust() is a __weak function with a local prototype, but x86 has a custom implementation that does not see the prototype, causing a W=1 warning: arch/x86/mm/ioremap.c:785:17: error: no previous prototype for 'early_memremap_pgprot_adjust' [-Werror=missing-prototypes] Move the declaration into the global linux/io.h header to avoid this. Signed-off-by: Arnd Bergmann --- include/linux/io.h | 5 +++++ mm/internal.h | 6 ------ 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/include/linux/io.h b/include/linux/io.h index 308f4f0cfb93..7304f2a69960 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -68,6 +68,11 @@ void *devm_memremap(struct device *dev, resource_size_t offset, size_t size, unsigned long flags); void devm_memunmap(struct device *dev, void *addr); +/* architectures can override this */ +pgprot_t __init early_memremap_pgprot_adjust(resource_size_t phys_addr, + unsigned long size, pgprot_t prot); + + #ifdef CONFIG_PCI /* * The PCI specifications (Rev 3.0, 3.2.5 "Transaction Ordering and diff --git a/mm/internal.h b/mm/internal.h index 68410c6d97ac..e6029d94bdb2 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -178,12 +178,6 @@ extern unsigned long highest_memmap_pfn; */ #define MAX_RECLAIM_RETRIES 16 -/* - * in mm/early_ioremap.c - */ -pgprot_t __init early_memremap_pgprot_adjust(resource_size_t phys_addr, - unsigned long size, pgprot_t prot); - /* * in mm/vmscan.c: */ From patchwork Tue May 16 19:35:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243641 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45B82C77B7A for ; Tue, 16 May 2023 19:38:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230036AbjEPTij (ORCPT ); Tue, 16 May 2023 15:38:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230223AbjEPTi3 (ORCPT ); Tue, 16 May 2023 15:38:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35B7244A5; Tue, 16 May 2023 12:38:08 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4096563EC3; Tue, 16 May 2023 19:38:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05AE9C433A0; Tue, 16 May 2023 19:37:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265883; bh=j24rSNRgDIgmGiT2yXwRSRo4ZogPVSrZkif28sPhRnU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AeITFFPyf4T1O9Bk8T43ZhPjTAAH6Vi8ipARvhqNOYnVJGtz4HnVAYe+g/BzZ7026 fDFAQ+Kwic0E1tpyAEjk9jRaCFQp+kn6j5QUapAXkZVr+cEC/j8Xd57pjknKmNJ40L YYnEhKGr6uzcXrPYT/H7qqH1VyhkhaztOT4kZMMxyyb3x1FoZRxS3qYbRHji3EIhxJ GIf04p+6OuzTuprxdmvEFq7KckfwLT/GHmqgM9hv9SmOoyBUuMT0F5NhocTm6xphV4 BngR4+JYE7FOd9LAO6LyB06VqLeGQ76wR+h5GIBrwd5zRDNTjAQuZi2Pu27xvTgXI9 pzCAFRefSXgnA== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 19/20] x86: purgatory: include header for warn() declaration Date: Tue, 16 May 2023 21:35:48 +0200 Message-Id: <20230516193549.544673-20-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann The purgatory code has uses parts of the decompressor and provides its own warn() function, but has to include the corresponding header file to avoid a -Wmissing-prototypes warning. It turns out that this the function prototype actually differs from the declaration, so change it to get a constant pointer in the declaration and the other definition as well. Signed-off-by: Arnd Bergmann --- arch/x86/boot/compressed/error.c | 2 +- arch/x86/boot/compressed/error.h | 2 +- arch/x86/purgatory/purgatory.c | 1 + 3 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/boot/compressed/error.c b/arch/x86/boot/compressed/error.c index c881878e56d3..ce5ed7d8265e 100644 --- a/arch/x86/boot/compressed/error.c +++ b/arch/x86/boot/compressed/error.c @@ -7,7 +7,7 @@ #include "misc.h" #include "error.h" -void warn(char *m) +void warn(const char *m) { error_putstr("\n\n"); error_putstr(m); diff --git a/arch/x86/boot/compressed/error.h b/arch/x86/boot/compressed/error.h index 1de5821184f1..87062dea9a20 100644 --- a/arch/x86/boot/compressed/error.h +++ b/arch/x86/boot/compressed/error.h @@ -4,7 +4,7 @@ #include -void warn(char *m); +void warn(const char *m); void error(char *m) __noreturn; #endif /* BOOT_COMPRESSED_ERROR_H */ diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c index 7558139920f8..aea47e793963 100644 --- a/arch/x86/purgatory/purgatory.c +++ b/arch/x86/purgatory/purgatory.c @@ -14,6 +14,7 @@ #include #include +#include "../boot/compressed/error.h" #include "../boot/string.h" u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE] __section(".kexec-purgatory"); From patchwork Tue May 16 19:35:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243642 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0F45C77B75 for ; Tue, 16 May 2023 19:38:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229920AbjEPTi5 (ORCPT ); Tue, 16 May 2023 15:38:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59318 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230283AbjEPTiq (ORCPT ); Tue, 16 May 2023 15:38:46 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF8909ED0; Tue, 16 May 2023 12:38:24 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7D40863ED9; Tue, 16 May 2023 19:38:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 28787C433EF; Tue, 16 May 2023 19:38:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684265889; bh=xg0nY/5XuAoC5Y+aT1n09akQv/zFSJ5XVH0JIB0YwTQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lJHg8XNuGiy8jTFn+IFpgUXTvuRIAwq7VY4K/2aG+9oDXR9V6HWZw9BoV/Iby3Y3D ciQJCcSCN88ZGK79OW2jW+p1Mcr53FymRzsq3aD57yhmrL6X5s0JHYpe2CHPA22HlU vtyjpMlDJ94LuFullCZvqENjJQpN0VpNDcwlo9gDKsPudVss3sLnvUVGlKZDHrWJKC 9hYO4n8OiF35vwW0mCeLD6vxQ51+sc9aB2SOI5vmH0t/cuFzcMA5Ms2ki0dFUhjZ6z F+j0NZXOgRpsDihxxL0McykAWvZ3icJuNiaB3wLMzOKImpSeGeJaJv64l87FCV2Wpu UeiC9WTSfPICw== From: Arnd Bergmann To: x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 20/20] x86: olpc: avoid missing-prototype warnings Date: Tue, 16 May 2023 21:35:49 +0200 Message-Id: <20230516193549.544673-21-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> References: <20230516193549.544673-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann There are two functions in the olpc platform that have no prototype: arch/x86/platform/olpc/olpc_dt.c:237:13: error: no previous prototype for 'olpc_dt_fixup' [-Werror=missing-prototypes] arch/x86/platform/olpc/olpc-xo1-pm.c:73:26: error: no previous prototype for 'xo1_do_sleep' [-Werror=missing-prototypes] The first one should just be marked 'static' as there are no other callers, while the second one is called from assembler and is just a false-positive warning that can be silenced by adding a prototype. Signed-off-by: Arnd Bergmann --- arch/x86/platform/olpc/olpc_dt.c | 2 +- include/linux/olpc-ec.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c index 75e3319e8bee..74ebd6882690 100644 --- a/arch/x86/platform/olpc/olpc_dt.c +++ b/arch/x86/platform/olpc/olpc_dt.c @@ -234,7 +234,7 @@ static int __init olpc_dt_compatible_match(phandle node, const char *compat) return 0; } -void __init olpc_dt_fixup(void) +static void __init olpc_dt_fixup(void) { phandle node; u32 board_rev; diff --git a/include/linux/olpc-ec.h b/include/linux/olpc-ec.h index c4602364e909..3c2891d85c41 100644 --- a/include/linux/olpc-ec.h +++ b/include/linux/olpc-ec.h @@ -56,6 +56,8 @@ extern int olpc_ec_sci_query(u16 *sci_value); extern bool olpc_ec_wakeup_available(void); +asmlinkage int xo1_do_sleep(u8 sleep_state); + #else static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,