objtool: Fix IRET's opcode

The IRET opcode is 0xcf according to the Intel manual and also to objdump of my
vmlinux:

    1ea8:       48 cf                   iretq

Fix the opcode in arch_decode_instruction().

The previous value (0xc5) seems to correspond to LDS.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170118132921.19319-1-jslaby@suse.cz
Signed-off-by: Ingo Molnar <mingo@kernel.org>

path: root/tools/perf/CREDITS

Most of the infrastructure that 'perf' uses here has been reused
from the Git project, as of version:

    66996ec: Sync with 1.6.2.4

Here is an (incomplete!) list of main contributors to those files
in util/* and elsewhere:

 Alex Riesen
 Christian Couder
 Dmitry Potapov
 Jeff King
 Johannes Schindelin
 Johannes Sixt
 Junio C Hamano
 Linus Torvalds
 Matthias Kestenholz
 Michal Ostrowski
 Miklos Vajna
 Petr Baudis
 Pierre Habouzit
 René Scharfe
 Samuel Tardieu
 Shawn O. Pearce
 Steffen Prohaska
 Steve Haslam

Thanks guys!

The full history of the files can be found in the upstream Git commits.