linux-kernel - [tip:perfcounters/core] perf_counter, x86: remove vendor check in fixed_mode

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Date:	Wed, 29 Apr 2009 13:08:24 GMT
From:	tip-bot for Robert Richter <robert.richter@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulus@...ba.org, hpa@...or.com,
	mingo@...hat.com, robert.richter@....com, a.p.zijlstra@...llo.nl,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perfcounters/core] perf_counter, x86: remove vendor check in fixed_mode_idx()

Commit-ID:  ef7b3e09ffdcd5200aea9523f6b56d331d1c4fc0
Gitweb:     http://git.kernel.org/tip/ef7b3e09ffdcd5200aea9523f6b56d331d1c4fc0
Author:     Robert Richter <robert.richter@....com>
AuthorDate: Wed, 29 Apr 2009 12:47:24 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 29 Apr 2009 14:51:14 +0200

perf_counter, x86: remove vendor check in fixed_mode_idx()

The function fixed_mode_idx() is used generically. Now it checks the
num_counters_fixed value instead of the vendor to decide if fixed
counters are present.

[ Impact: generalize code ]

Signed-off-by: Robert Richter <robert.richter@....com>
Cc: Paul Mackerras <paulus@...ba.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <1241002046-8832-28-git-send-email-robert.richter@....com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/kernel/cpu/perf_counter.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 4b8715b..d1c8036 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -542,7 +542,7 @@ fixed_mode_idx(struct perf_counter *counter, struct hw_perf_counter *hwc)
 {
 	unsigned int event;
 
-	if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
+	if (!x86_pmu.num_counters_fixed)
 		return -1;
 
 	if (unlikely(hwc->nmi))
--
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