lkml.org 
[lkml]   [2015]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:x86/asm] x86/asm/entry/64: Remove redundant DISABLE_INTERRUPTS()
Commit-ID:  32a04077fe401842424a4b555572fa459c01e0a3
Gitweb: http://git.kernel.org/tip/32a04077fe401842424a4b555572fa459c01e0a3
Author: Denys Vlasenko <dvlasenk@redhat.com>
AuthorDate: Tue, 31 Mar 2015 19:00:06 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 1 Apr 2015 13:17:38 +0200

x86/asm/entry/64: Remove redundant DISABLE_INTERRUPTS()

At this location, we already have interrupts off, always.
To be more specific, we already disabled them here:

ret_from_intr:
DISABLE_INTERRUPTS(CLBR_NONE)

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1427821211-25099-4-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/kernel/entry_64.S | 1 -
1 file changed, 1 deletion(-)

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 1879c55..9f8d01f 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -749,7 +749,6 @@ retint_kernel:
jmp exit_intr
1:
#endif
- DISABLE_INTERRUPTS(CLBR_ANY)
/*
* The iretq could re-enable interrupts:
*/

\
 
 \ /
  Last update: 2015-04-02 15:01    [W:0.196 / U:0.272 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site