x86/asm/entry/64: Remove a redundant jump
authorDenys Vlasenko <dvlasenk@redhat.com>
Tue, 7 Apr 2015 20:43:41 +0000 (22:43 +0200)
committerIngo Molnar <mingo@kernel.org>
Thu, 9 Apr 2015 08:31:25 +0000 (10:31 +0200)
Jumping to the very next instruction is not very useful:

        jmp label
    label:

Removing the jump.

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: Brian Gerst <brgerst@gmail.com>
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: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1428439424-7258-5-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/entry_64.S

index ce852565443a54de68f3d1a9d65a6957ad7f4c8c..e8ddd5196ce7c453eec81aaad4456731d2b885ab 100644 (file)
@@ -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