From patchwork Wed Dec 17 09:50:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 5505971 Return-Path: X-Original-To: patchwork-linux-kbuild@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E13C3BEEA8 for ; Wed, 17 Dec 2014 09:51:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1570920A2D for ; Wed, 17 Dec 2014 09:51:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2DFDE20A2C for ; Wed, 17 Dec 2014 09:51:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751889AbaLQJvS (ORCPT ); Wed, 17 Dec 2014 04:51:18 -0500 Received: from cantor2.suse.de ([195.135.220.15]:42405 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751257AbaLQJup (ORCPT ); Wed, 17 Dec 2014 04:50:45 -0500 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id DCC0AADB9; Wed, 17 Dec 2014 09:50:43 +0000 (UTC) From: Juergen Gross To: linux-kernel@vger.kernel.org, x86@kernel.org, xen-devel@lists.xensource.com, konrad.wilk@oracle.com, david.vrabel@citrix.com, boris.ostrovsky@oracle.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, mmarek@suse.cz, linux-kbuild@vger.kernel.org Cc: Juergen Gross Subject: [Patch V2 4/4] xen: use generated hypercall symbols in arch/x86/xen/xen-head.S Date: Wed, 17 Dec 2014 10:50:38 +0100 Message-Id: <1418809838-14123-5-git-send-email-jgross@suse.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1418809838-14123-1-git-send-email-jgross@suse.com> References: <1418809838-14123-1-git-send-email-jgross@suse.com> Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of manually list each hypercall in arch/x86/xen/xen-head.S use the auto generated symbol list. This also corrects the wrong address of xen_hypercall_mca which was located 32 bytes higher than it should. Symbol addresses have been verified to match the correct ones via objdump output. Based-on-patch-by: Jan Beulich Signed-off-by: Juergen Gross Reviewed-by: David Vrabel --- arch/x86/xen/xen-head.S | 63 ++++++++----------------------------------------- 1 file changed, 10 insertions(+), 53 deletions(-) diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S index 674b2225..8afdfcc 100644 --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -12,6 +12,8 @@ #include #include +#include +#include #include #ifdef CONFIG_XEN_PVH @@ -85,59 +87,14 @@ ENTRY(xen_pvh_early_cpu_init) .pushsection .text .balign PAGE_SIZE ENTRY(hypercall_page) -#define NEXT_HYPERCALL(x) \ - ENTRY(xen_hypercall_##x) \ - .skip 32 - -NEXT_HYPERCALL(set_trap_table) -NEXT_HYPERCALL(mmu_update) -NEXT_HYPERCALL(set_gdt) -NEXT_HYPERCALL(stack_switch) -NEXT_HYPERCALL(set_callbacks) -NEXT_HYPERCALL(fpu_taskswitch) -NEXT_HYPERCALL(sched_op_compat) -NEXT_HYPERCALL(platform_op) -NEXT_HYPERCALL(set_debugreg) -NEXT_HYPERCALL(get_debugreg) -NEXT_HYPERCALL(update_descriptor) -NEXT_HYPERCALL(ni) -NEXT_HYPERCALL(memory_op) -NEXT_HYPERCALL(multicall) -NEXT_HYPERCALL(update_va_mapping) -NEXT_HYPERCALL(set_timer_op) -NEXT_HYPERCALL(event_channel_op_compat) -NEXT_HYPERCALL(xen_version) -NEXT_HYPERCALL(console_io) -NEXT_HYPERCALL(physdev_op_compat) -NEXT_HYPERCALL(grant_table_op) -NEXT_HYPERCALL(vm_assist) -NEXT_HYPERCALL(update_va_mapping_otherdomain) -NEXT_HYPERCALL(iret) -NEXT_HYPERCALL(vcpu_op) -NEXT_HYPERCALL(set_segment_base) -NEXT_HYPERCALL(mmuext_op) -NEXT_HYPERCALL(xsm_op) -NEXT_HYPERCALL(nmi_op) -NEXT_HYPERCALL(sched_op) -NEXT_HYPERCALL(callback_op) -NEXT_HYPERCALL(xenoprof_op) -NEXT_HYPERCALL(event_channel_op) -NEXT_HYPERCALL(physdev_op) -NEXT_HYPERCALL(hvm_op) -NEXT_HYPERCALL(sysctl) -NEXT_HYPERCALL(domctl) -NEXT_HYPERCALL(kexec_op) -NEXT_HYPERCALL(tmem_op) /* 38 */ -ENTRY(xen_hypercall_rsvr) - .skip 320 -NEXT_HYPERCALL(mca) /* 48 */ -NEXT_HYPERCALL(arch_1) -NEXT_HYPERCALL(arch_2) -NEXT_HYPERCALL(arch_3) -NEXT_HYPERCALL(arch_4) -NEXT_HYPERCALL(arch_5) -NEXT_HYPERCALL(arch_6) - .balign PAGE_SIZE + .skip PAGE_SIZE + +#define HYPERCALL(n) \ + .equ xen_hypercall_##n, hypercall_page + __HYPERVISOR_##n * 32; \ + .type xen_hypercall_##n, @function; .size xen_hypercall_##n, 32 +#include +#undef HYPERCALL + .popsection ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")