linux-kernel - [tip:x86/asm] x86/asm/entry/64: Remove a redundant jump

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 9 Apr 2015 02:03:10 -0700
From:	tip-bot for Denys Vlasenko <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	ast@...mgrid.com, wad@...omium.org, rostedt@...dmis.org,
	fweisbec@...il.com, hpa@...or.com, mingo@...nel.org,
	brgerst@...il.com, oleg@...hat.com, torvalds@...ux-foundation.org,
	dvlasenk@...hat.com, linux-kernel@...r.kernel.org, bp@...en8.de,
	luto@...capital.net, keescook@...omium.org, tglx@...utronix.de
Subject: [tip:x86/asm] x86/asm/entry/64: Remove a redundant jump

Commit-ID:  a30b0085f54efae11f6256df4e4a16af7eefc1c4
Gitweb:     http://git.kernel.org/tip/a30b0085f54efae11f6256df4e4a16af7eefc1c4
Author:     Denys Vlasenko <dvlasenk@...hat.com>
AuthorDate: Tue, 7 Apr 2015 22:43:41 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 9 Apr 2015 10:31:25 +0200

x86/asm/entry/64: Remove a redundant jump

Jumping to the very next instruction is not very useful:

        jmp label
    label:

Removing the jump.

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/1428439424-7258-5-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.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 ce85256..e8ddd51 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1448,7 +1448,6 @@ ENTRY(nmi)
 	/* If it is below the NMI stack, it is a normal NMI */
 	jb	first_nmi
 	/* Ah, it is within the NMI stack, treat it as nested */
-	jmp	nested_nmi
 
 	CFI_REMEMBER_STATE
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/