From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751495AbeACW1y (ORCPT + 1 other); Wed, 3 Jan 2018 17:27:54 -0500 Received: from terminus.zytor.com ([65.50.211.136]:35477 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751029AbeACW1w (ORCPT ); Wed, 3 Jan 2018 17:27:52 -0500 Date: Wed, 3 Jan 2018 14:25:40 -0800 From: tip-bot for Nick Desaulniers Message-ID: Cc: hpa@zytor.com, mingo@kernel.org, ndesaulniers@google.com, linux-kernel@vger.kernel.org, bpetkov@suse.de, tglx@linutronix.de Reply-To: hpa@zytor.com, ndesaulniers@google.com, mingo@kernel.org, linux-kernel@vger.kernel.org, bpetkov@suse.de, tglx@linutronix.de In-Reply-To: <20180103203954.183360-1-ndesaulniers@google.com> References: <20180103203954.183360-1-ndesaulniers@google.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/pti] x86/process: Define cpu_tss_rw in same section as declaration Git-Commit-ID: 2fd9c41aea47f4ad071accf94b94f94f2c4d31eb X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Commit-ID: 2fd9c41aea47f4ad071accf94b94f94f2c4d31eb Gitweb: https://git.kernel.org/tip/2fd9c41aea47f4ad071accf94b94f94f2c4d31eb Author: Nick Desaulniers AuthorDate: Wed, 3 Jan 2018 12:39:52 -0800 Committer: Thomas Gleixner CommitDate: Wed, 3 Jan 2018 23:19:33 +0100 x86/process: Define cpu_tss_rw in same section as declaration cpu_tss_rw is declared with DECLARE_PER_CPU_PAGE_ALIGNED but then defined with DEFINE_PER_CPU_SHARED_ALIGNED leading to section mismatch warnings. Use DEFINE_PER_CPU_PAGE_ALIGNED consistently. This is necessary because it's mapped to the cpu entry area and must be page aligned. [ tglx: Massaged changelog a bit ] Fixes: 1a935bc3d4ea ("x86/entry: Move SYSENTER_stack to the beginning of struct tss_struct") Suggested-by: Thomas Gleixner Signed-off-by: Nick Desaulniers Signed-off-by: Thomas Gleixner Cc: thomas.lendacky@amd.com Cc: Borislav Petkov Cc: tklauser@distanz.ch Cc: minipli@googlemail.com Cc: me@kylehuey.com Cc: namit@vmware.com Cc: luto@kernel.org Cc: jpoimboe@redhat.com Cc: tj@kernel.org Cc: cl@linux.com Cc: bp@suse.de Cc: thgarnie@google.com Cc: kirill.shutemov@linux.intel.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20180103203954.183360-1-ndesaulniers@google.com --- arch/x86/kernel/process.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 5174159..3cb2486 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -47,7 +47,7 @@ * section. Since TSS's are completely CPU-local, we want them * on exact cacheline boundaries, to eliminate cacheline ping-pong. */ -__visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss_rw) = { +__visible DEFINE_PER_CPU_PAGE_ALIGNED(struct tss_struct, cpu_tss_rw) = { .x86_tss = { /* * .sp0 is only used when entering ring 0 from a lower