linux-kernel - [tip:x86/debug] x86/asm/xen: Set ELF function type for xen_adjust_exception

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Message-ID: <tip-755f95c9331ba316ae6533cdd16456e4613dd0dc@git.kernel.org>
Date:	Tue, 23 Feb 2016 00:56:00 -0800
From:	tip-bot for Josh Poimboeuf <tipbot@...or.com>@zytor.com
To:	linux-tip-commits@...r.kernel.org@...or.com
Cc:	bernd@...rovitsch.priv.at, dvlasenk@...hat.com,
	david.vrabel@...rix.com, konrad.wilk@...cle.com, hpa@...or.com,
	tglx@...utronix.de, namhyung@...il.com, jslaby@...e.cz,
	mingo@...nel.org, bp@...en8.de, acme@...nel.org, luto@...nel.org,
	brgerst@...il.com, linux-kernel@...r.kernel.org,
	jpoimboe@...hat.com, mmarek@...e.cz, boris.ostrovsky@...cle.com,
	akpm@...ux-foundation.org, luto@...capital.net,
	peterz@...radead.org, chris.j.arges@...onical.com,
	palves@...hat.com, torvalds@...ux-foundation.org
Subject: [tip:x86/debug] x86/asm/xen: Set ELF function type for xen_adjust_exception_frame()

Commit-ID:  755f95c9331ba316ae6533cdd16456e4613dd0dc
Gitweb:     http://git.kernel.org/tip/755f95c9331ba316ae6533cdd16456e4613dd0dc
Author:     Josh Poimboeuf <jpoimboe@...hat.com>
AuthorDate: Thu, 21 Jan 2016 16:49:10 -0600
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 23 Feb 2016 09:03:54 +0100

x86/asm/xen: Set ELF function type for xen_adjust_exception_frame()

xen_adjust_exception_frame() is a callable function, but is missing the
ELF function type, which confuses tools like stacktool.

Properly annotate it to be a callable function.  The generated code is
unchanged.

Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Bernd Petrovitsch <bernd@...rovitsch.priv.at>
Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Chris J Arges <chris.j.arges@...onical.com>
Cc: David Vrabel <david.vrabel@...rix.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Jiri Slaby <jslaby@...e.cz>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Michal Marek <mmarek@...e.cz>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Pedro Alves <palves@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: live-patching@...r.kernel.org
Link: http://lkml.kernel.org/r/b1851bd17a0986472692a7e3a05290d891382cdd.1453405861.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/xen/xen-asm_64.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index cc8acc4..c3df431 100644
--- a/arch/x86/xen/xen-asm_64.S
+++ b/arch/x86/xen/xen-asm_64.S
@@ -26,6 +26,7 @@ ENTRY(xen_adjust_exception_frame)
 	mov 8+0(%rsp), %rcx
 	mov 8+8(%rsp), %r11
 	ret $16
+ENDPROC(xen_adjust_exception_frame)
 
 hypercall_iret = hypercall_page + __HYPERVISOR_iret * 32
 /*