From: Jaswinder Singh Rajput <jaswinder@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, x86 maintainers <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH -tip] x86: perf_counter AMD supports performance monitoring for K7
Date: Thu, 11 Jun 2009 00:19:35 +0530 [thread overview]
Message-ID: <1244659775.4255.1.camel@ht.satnam> (raw)
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
---
arch/x86/kernel/cpu/perf_counter.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 240ca56..5d56742 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -1436,6 +1436,10 @@ static int intel_pmu_init(void)
static int amd_pmu_init(void)
{
+ /* performance-monitoring supported from K7 */
+ if (boot_cpu_data.x86 < 7)
+ return -ENODEV;
+
x86_pmu = amd_pmu;
switch (boot_cpu_data.x86) {
--
1.6.1.1
next reply other threads:[~2009-06-10 18:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-10 18:49 Jaswinder Singh Rajput [this message]
2009-06-11 0:13 ` [PATCH -tip] x86: perf_counter AMD supports performance monitoring for K7 Ingo Molnar
2009-06-11 5:33 ` Jaswinder Singh Rajput
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