linux-kernel - [PATCH 4/4] perf/x86_64: get_regs_user: Report regs

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Date:	Fri, 10 Apr 2015 15:06:59 +0200
From:	Denys Vlasenko <dvlasenk@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Denys Vlasenko <dvlasenk@...hat.com>, Jiri Olsa <jolsa@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>, x86@...nel.org
Subject: [PATCH 4/4] perf/x86_64: get_regs_user: Report regs_user->ax too

I don't see why we report e.g. orix_ax, which is not always meaningful,
but don't report ax, which is meaningful.

Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
CC: Jiri Olsa <jolsa@...hat.com>
CC: Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC: Paul Mackerras <paulus@...ba.org>
CC: Ingo Molnar <mingo@...hat.com>
CC: Arnaldo Carvalho de Melo <acme@...nel.org>
CC: x86@...nel.org
CC: linux-kernel@...r.kernel.org
---
 arch/x86/kernel/perf_regs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/perf_regs.c b/arch/x86/kernel/perf_regs.c
index 8157d39..da8cb98 100644
--- a/arch/x86/kernel/perf_regs.c
+++ b/arch/x86/kernel/perf_regs.c
@@ -135,6 +135,7 @@ void perf_get_regs_user(struct perf_regs *regs_user,
 	 * On 32-bit entry points, they are saved too except r8..r11.
 	 */
 	regs_user_copy->ip = user_regs->ip;
+	regs_user_copy->ax = user_regs->ax;
 	regs_user_copy->cx = user_regs->cx;
 	regs_user_copy->dx = user_regs->dx;
 	regs_user_copy->si = user_regs->si;
-- 
1.8.1.4

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