From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756872AbcEEJiR (ORCPT ); Thu, 5 May 2016 05:38:17 -0400 Received: from terminus.zytor.com ([198.137.202.10]:43850 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756329AbcEEJiP (ORCPT ); Thu, 5 May 2016 05:38:15 -0400 Date: Thu, 5 May 2016 02:37:05 -0700 From: tip-bot for Brian Gerst Message-ID: Cc: bp@alien8.de, torvalds@linux-foundation.org, tglx@linutronix.de, mingo@kernel.org, luto@kernel.org, brgerst@gmail.com, hpa@zytor.com, luto@amacapital.net, dvlasenk@redhat.com, peterz@infradead.org, bp@suse.de, linux-kernel@vger.kernel.org Reply-To: torvalds@linux-foundation.org, tglx@linutronix.de, bp@alien8.de, mingo@kernel.org, luto@amacapital.net, brgerst@gmail.com, hpa@zytor.com, luto@kernel.org, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, peterz@infradead.org, bp@suse.de In-Reply-To: <1462416278-11974-3-git-send-email-brgerst@gmail.com> References: <1462416278-11974-3-git-send-email-brgerst@gmail.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/asm] x86/entry/32: Remove GET_THREAD_INFO() from entry code Git-Commit-ID: 1e17880371f85d3d866962e04ba3567c0654a125 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: 1e17880371f85d3d866962e04ba3567c0654a125 Gitweb: http://git.kernel.org/tip/1e17880371f85d3d866962e04ba3567c0654a125 Author: Brian Gerst AuthorDate: Wed, 4 May 2016 22:44:37 -0400 Committer: Ingo Molnar CommitDate: Thu, 5 May 2016 08:37:30 +0200 x86/entry/32: Remove GET_THREAD_INFO() from entry code The entry code used to cache the thread_info pointer in the EBP register, but all the code that used it has been moved to C. Remove the unused code to get the pointer. Signed-off-by: Brian Gerst Acked-by: Andy Lutomirski Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Borislav Petkov Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/1462416278-11974-3-git-send-email-brgerst@gmail.com Signed-off-by: Ingo Molnar --- arch/x86/entry/entry_32.S | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index c84d99b..983e5d3 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -207,7 +207,6 @@ ENTRY(ret_from_fork) pushl %eax call schedule_tail - GET_THREAD_INFO(%ebp) popl %eax /* When we fork, we trace the syscall return in the child, too. */ @@ -219,7 +218,6 @@ END(ret_from_fork) ENTRY(ret_from_kernel_thread) pushl %eax call schedule_tail - GET_THREAD_INFO(%ebp) popl %eax movl PT_EBP(%esp), %eax call *PT_EBX(%esp) @@ -247,7 +245,6 @@ ENDPROC(ret_from_kernel_thread) ret_from_exception: preempt_stop(CLBR_ANY) ret_from_intr: - GET_THREAD_INFO(%ebp) #ifdef CONFIG_VM86 movl PT_EFLAGS(%esp), %eax # mix EFLAGS and CS movb PT_CS(%esp), %al