From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753696AbcDVJpT (ORCPT ); Fri, 22 Apr 2016 05:45:19 -0400 Received: from terminus.zytor.com ([198.137.202.10]:36524 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751897AbcDVJpQ (ORCPT ); Fri, 22 Apr 2016 05:45:16 -0400 Date: Fri, 22 Apr 2016 02:44:40 -0700 From: tip-bot for Michal Hocko Message-ID: Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@kernel.org, mhocko@suse.com, torvalds@linux-foundation.org, akpm@linux-foundation.org, hpa@zytor.com Reply-To: hpa@zytor.com, akpm@linux-foundation.org, mhocko@suse.com, torvalds@linux-foundation.org, mingo@kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, peterz@infradead.org In-Reply-To: <1460541432-21631-1-git-send-email-mhocko@kernel.org> References: <1460541432-21631-1-git-send-email-mhocko@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:locking/rwsem] locking/rwsem, x86: Add frame annotation for call_rwsem_down_write_failed_killable() Git-Commit-ID: 00fb16e26ac8559e69c3bb14284f4a548d28ee0d 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 Commit-ID: 00fb16e26ac8559e69c3bb14284f4a548d28ee0d Gitweb: http://git.kernel.org/tip/00fb16e26ac8559e69c3bb14284f4a548d28ee0d Author: Michal Hocko AuthorDate: Wed, 13 Apr 2016 11:57:12 +0200 Committer: Ingo Molnar CommitDate: Fri, 22 Apr 2016 08:58:41 +0200 locking/rwsem, x86: Add frame annotation for call_rwsem_down_write_failed_killable() 3387a535ce62 ("x86/asm: Create stack frames in rwsem functions") has added FRAME_{BEGIN,END} annotations to rwsem asm stubs. The patch which has added call_rwsem_down_write_failed_killable() was based on an older tree so it didn't know about annotations. Let's add them. This addresses the following objtool warning: arch/x86/lib/rwsem.o: warning: objtool: call_rwsem_down_write_failed_killable()+0xe: call without frame pointer save/setup Reported-by: Ingo Molnar Signed-off-by: Michal Hocko Cc: Andrew Morton Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linux-arch@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/1460541432-21631-1-git-send-email-mhocko@kernel.org Signed-off-by: Ingo Molnar --- arch/x86/lib/rwsem.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S index 4534a7e..a37462a 100644 --- a/arch/x86/lib/rwsem.S +++ b/arch/x86/lib/rwsem.S @@ -107,10 +107,12 @@ ENTRY(call_rwsem_down_write_failed) ENDPROC(call_rwsem_down_write_failed) ENTRY(call_rwsem_down_write_failed_killable) + FRAME_BEGIN save_common_regs movq %rax,%rdi call rwsem_down_write_failed_killable restore_common_regs + FRAME_END ret ENDPROC(call_rwsem_down_write_failed_killable)