From patchwork Sat Jan 29 12:17:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 12729466 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 58BA1C433F5 for ; Sat, 29 Jan 2022 12:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+8HXXbiPPEzrb3M0I4xhO3AhZuzkJkCLV34oBJIPGUM=; b=QAsHdCEnN0s9nw pTFKZ11a05yw22wPVKjNj0TfCZrIuEaE7dLlsJAKqQdD/pqhprBMhWam7BlaXbAtcvyGDknuMvXIH e31CGROgqt8Yu9GSoYHCGaYarRRGsUUHwHOhC2D9+J21Jmk/DQLjjpzw0UrVfukhBzfHfxpfTUuTO 5FGLk/ilkFezZfSlZ9u8OA+0BenZYpTpfgfE8+J3OrCEN3iFREqjVLN3eQlndQunIA9k7NgiHTQaS Y6eWdZsAC8IHnpCwxJDEJSEaPf5nuHBRt5FZ8Oo0XdNTzNER4BFs31OB8T6GUKFXKfItBsZ+/KFHm zh3S7w1oWHWaUG5WUW7A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nDmgO-004byu-Dl; Sat, 29 Jan 2022 12:18:20 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nDmg4-004brQ-Fs; Sat, 29 Jan 2022 12:18:06 +0000 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 E9A4860C01; Sat, 29 Jan 2022 12:17:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A469C340E8; Sat, 29 Jan 2022 12:17:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643458679; bh=wcdNn9I8JZy3Jn2cpELP40HF9DF9IQSOPOhCqQoEm0A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QcXhfIHAwMmNCOsrgWWrnTiy9h9XFsgtuDmDz9kNFWAIBu4jiIf19YdRjTUa51ZRg VfgkziwbCM3px7n4pDb4RAn3f/7kbFN5Ile0VW/f4Bb5DAtoAmmvpMcZ9W5VG5HnKB Zx0RQFZzOllSVklD7NuhopFKnVDivp3M4h0IKJRwVw+3t5eregWhkjiEQqAo7sMSvf CCJjywMdVPfHjs/INTsaQfrbb32yMVEbCiHUPcyDVG9d2mcaS5+eanWIofmk8Prefa G4S68KBsp90SABvvEsulZoMIpGDUOu9HR30Ozyb4oHPkDT51KazNyCH5cqMrkkETBk c6ndr/9/GKr0A== From: guoren@kernel.org To: guoren@kernel.org, palmer@dabbelt.com, arnd@arndb.de, anup@brainfault.org, gregkh@linuxfoundation.org, liush@allwinnertech.com, wefu@redhat.com, drew@beagleboard.org, wangjunqiang@iscas.ac.cn, hch@lst.de, hch@infradead.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-csky@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-parisc@vger.kernel.org, linux-mips@vger.kernel.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org, Guo Ren Subject: [PATCH V4 02/17] fs: stat: compat: Add __ARCH_WANT_COMPAT_STAT Date: Sat, 29 Jan 2022 20:17:13 +0800 Message-Id: <20220129121728.1079364-3-guoren@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220129121728.1079364-1-guoren@kernel.org> References: <20220129121728.1079364-1-guoren@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220129_041800_649841_9F070344 X-CRM114-Status: GOOD ( 10.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Guo Ren RISC-V doesn't neeed compat_stat, so using __ARCH_WANT_COMPAT_STAT to exclude unnecessary SYSCALL functions. Signed-off-by: Guo Ren Signed-off-by: Guo Ren Reviewed-by: Arnd Bergmann Cc: Palmer Dabbelt Reviewed-by: Christoph Hellwig --- arch/arm64/include/asm/unistd.h | 1 + arch/mips/include/asm/unistd.h | 2 ++ arch/parisc/include/asm/unistd.h | 1 + arch/powerpc/include/asm/unistd.h | 1 + arch/s390/include/asm/unistd.h | 1 + arch/sparc/include/asm/unistd.h | 1 + arch/x86/include/asm/unistd.h | 1 + fs/stat.c | 2 +- 8 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 4e65da3445c7..037feba03a51 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -3,6 +3,7 @@ * Copyright (C) 2012 ARM Ltd. */ #ifdef CONFIG_COMPAT +#define __ARCH_WANT_COMPAT_STAT #define __ARCH_WANT_COMPAT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index c2196b1b6604..25a5253db7f4 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -50,6 +50,8 @@ # ifdef CONFIG_32BIT # define __ARCH_WANT_STAT64 # define __ARCH_WANT_SYS_TIME32 +# else +# define __ARCH_WANT_COMPAT_STAT # endif # ifdef CONFIG_MIPS32_O32 # define __ARCH_WANT_SYS_TIME32 diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h index cd438e4150f6..14e0668184cb 100644 --- a/arch/parisc/include/asm/unistd.h +++ b/arch/parisc/include/asm/unistd.h @@ -168,6 +168,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ #define __ARCH_WANT_SYS_CLONE #define __ARCH_WANT_SYS_CLONE3 #define __ARCH_WANT_COMPAT_SYS_SENDFILE +#define __ARCH_WANT_COMPAT_STAT #ifdef CONFIG_64BIT #define __ARCH_WANT_SYS_TIME diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 5eb462af6766..b1129b4ef57d 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -44,6 +44,7 @@ #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_SYS_NEWFSTATAT +#define __ARCH_WANT_COMPAT_STAT #define __ARCH_WANT_COMPAT_SYS_SENDFILE #endif #define __ARCH_WANT_SYS_FORK diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 9e9f75ef046a..4260bc5ce7f8 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -28,6 +28,7 @@ #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK # ifdef CONFIG_COMPAT +# define __ARCH_WANT_COMPAT_STAT # define __ARCH_WANT_SYS_TIME32 # define __ARCH_WANT_SYS_UTIME32 # endif diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index 1e66278ba4a5..d6bc76706a7a 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -46,6 +46,7 @@ #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_COMPAT_SYS_SENDFILE +#define __ARCH_WANT_COMPAT_STAT #endif #ifdef __32bit_syscall_numbers__ diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index 80e9d5206a71..761173ccc33c 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -22,6 +22,7 @@ # include # define __ARCH_WANT_SYS_TIME # define __ARCH_WANT_SYS_UTIME +# define __ARCH_WANT_COMPAT_STAT # define __ARCH_WANT_COMPAT_SYS_PREADV64 # define __ARCH_WANT_COMPAT_SYS_PWRITEV64 # define __ARCH_WANT_COMPAT_SYS_PREADV64V2 diff --git a/fs/stat.c b/fs/stat.c index 28d2020ba1f4..ffdeb9065d53 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -639,7 +639,7 @@ SYSCALL_DEFINE5(statx, return do_statx(dfd, filename, flags, mask, buffer); } -#ifdef CONFIG_COMPAT +#if defined(CONFIG_COMPAT) && defined(__ARCH_WANT_COMPAT_STAT) static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) { struct compat_stat tmp;