x86/entry/64: Add unwind hint annotations
authorJosh Poimboeuf <jpoimboe@redhat.com>
Tue, 11 Jul 2017 15:33:44 +0000 (10:33 -0500)
committerIngo Molnar <mingo@kernel.org>
Tue, 18 Jul 2017 08:57:44 +0000 (10:57 +0200)
commit8c1f75587a18ca032da8f6376d1ed882d7095289
treec8fa83b15b69b54098e2d536d48eb4764013d1f7
parent39358a033b2e4432052265c1fa0f36f572d8cfb5
x86/entry/64: Add unwind hint annotations

Add unwind hint annotations to entry_64.S.  This will enable the ORC
unwinder to unwind through any location in the entry code including
syscalls, interrupts, and exceptions.

Signed-off-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: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/b9f6d478aadf68ba57c739dcfac34ec0dc021c4c.1499786555.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/entry/Makefile
arch/x86/entry/calling.h
arch/x86/entry/entry_64.S