]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
x86/asm/entry/64: Optimize [v]fork/clone stubs
authorDenys Vlasenko <dvlasenk@redhat.com>
Tue, 7 Apr 2015 20:43:40 +0000 (22:43 +0200)
committerIngo Molnar <mingo@kernel.org>
Thu, 9 Apr 2015 08:31:25 +0000 (10:31 +0200)
commit772951c4e4b06cdffeff499259dba07b544f3166
tree5ffbed9f27782fdd3ed95007f83db674a68d21a7
parent0f90fb979d7b53d80a6d5cb6e127b4b4b249907e
x86/asm/entry/64: Optimize [v]fork/clone stubs

Replace "call func; ret" with "jmp func".

Run-tested.

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/1428439424-7258-4-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/entry_64.S