From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86/perf_count: make perf_count_mask to local
Date: Sun, 28 Jun 2009 14:04:22 -0700 [thread overview]
Message-ID: <4A47DAD6.9080200@kernel.org> (raw)
In-Reply-To: <4A47DAB1.3090707@kernel.org>
only used in init_hw_per_counters
[Impact: cleanup]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/kernel/cpu/perf_counter.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
Index: linux-2.6/arch/x86/kernel/cpu/perf_counter.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/perf_counter.c
+++ linux-2.6/arch/x86/kernel/cpu/perf_counter.c
@@ -25,8 +25,6 @@
#include <asm/stacktrace.h>
#include <asm/nmi.h>
-static u64 perf_counter_mask __read_mostly;
-
struct cpu_hw_counters {
struct perf_counter *counters[X86_PMC_IDX_MAX];
unsigned long used_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
@@ -1474,6 +1472,7 @@ static int amd_pmu_init(void)
void __init init_hw_perf_counters(void)
{
+ u64 perf_counter_mask;
int err;
pr_info("Performance Counters: ");
next prev parent reply other threads:[~2009-06-28 21:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-28 21:03 [PATCH] x86/perf_count: update x86_pmu after WARN Yinghai Lu
2009-06-28 21:04 ` Yinghai Lu [this message]
2009-06-28 21:04 ` [PATCH] x86/perf_count: change intel_pmu and amd_pmu to initdata Yinghai Lu
2009-06-29 7:41 ` [RESEND PATCH] x86/perf_count: update x86_pmu after WARN Yinghai Lu
2009-06-29 8:21 ` [tip:perfcounters/urgent] perf_counter, x86: Update x86_pmu after WARN() tip-bot for Yinghai Lu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4A47DAD6.9080200@kernel.org \
--to=yinghai@kernel.org \
--cc=a.p.zijlstra@chello.nl \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox