From: Denys Vlasenko <dvlasenk@redhat.com>
Date: Tue, 31 Mar 2015 17:00:06 +0000 (+0200)
Subject: x86/asm/entry/64: Remove redundant DISABLE_INTERRUPTS()
X-Git-Tag: Ubuntu-5.2.0-15.16~11602^2~36
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=32a04077fe401842424a4b555572fa459c01e0a3;p=mirror_ubuntu-eoan-kernel.git

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>
---

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 1879c55bf0f7..9f8d01f1f1b2 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:
 	 */