linux-kernel - [tip:x86/asm] x86/asm/entry/64: Remove GET_THREAD_INFO() in ret_from

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Message-ID: <tip-54a81e914b2432a86dd49cf611b0f71ef44ca7ad@git.kernel.org>
Date:	Thu, 9 Apr 2015 02:03:49 -0700
From:	tip-bot for Denys Vlasenko <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, brgerst@...il.com, bp@...en8.de,
	oleg@...hat.com, keescook@...omium.org, dvlasenk@...hat.com,
	rostedt@...dmis.org, fweisbec@...il.com, mingo@...nel.org,
	torvalds@...ux-foundation.org, luto@...capital.net,
	tglx@...utronix.de, wad@...omium.org, hpa@...or.com,
	ast@...mgrid.com
Subject: [tip:x86/asm] x86/asm/entry/64: Remove GET_THREAD_INFO()
  in ret_from_fork

Commit-ID:  54a81e914b2432a86dd49cf611b0f71ef44ca7ad
Gitweb:     http://git.kernel.org/tip/54a81e914b2432a86dd49cf611b0f71ef44ca7ad
Author:     Denys Vlasenko <dvlasenk@...hat.com>
AuthorDate: Tue, 7 Apr 2015 22:43:43 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 9 Apr 2015 10:31:26 +0200

x86/asm/entry/64: Remove GET_THREAD_INFO() in ret_from_fork

It used to be used to check for _TIF_IA32, but the check has
been removed.

Remove GET_THREAD_INFO() too.

Run-tested.

Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
Cc: Alexei Starovoitov <ast@...mgrid.com>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Kees Cook <keescook@...omium.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Will Drewry <wad@...omium.org>
Link: http://lkml.kernel.org/r/1428439424-7258-7-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/entry_64.S | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index a35e5e4..b67f2fc 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -603,8 +603,6 @@ ENTRY(ret_from_fork)
 
 	call schedule_tail			# rdi: 'prev' task parameter
 
-	GET_THREAD_INFO(%rcx)
-
 	RESTORE_EXTRA_REGS
 
 	testl $3,CS(%rsp)			# from kernel_thread?
--
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