From: "tip-bot for H. Peter Anvin" <hpa@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
trenn@suse.de, tglx@linutronix.de, borislav.petkov@amd.com
Subject: [tip:x86/cpu] x86, cpu: Make APERF/MPERF a normal table-driven flag
Date: Mon, 3 May 2010 23:21:41 GMT [thread overview]
Message-ID: <tip-097c1bd5673edaf2a162724636858b71f658fdd2@git.kernel.org> (raw)
In-Reply-To: <1270065406-1814-4-git-send-email-bp@amd64.org>
Commit-ID: 097c1bd5673edaf2a162724636858b71f658fdd2
Gitweb: http://git.kernel.org/tip/097c1bd5673edaf2a162724636858b71f658fdd2
Author: H. Peter Anvin <hpa@zytor.com>
AuthorDate: Mon, 3 May 2010 15:49:31 -0700
Committer: H. Peter Anvin <hpa@zytor.com>
CommitDate: Mon, 3 May 2010 15:49:31 -0700
x86, cpu: Make APERF/MPERF a normal table-driven flag
APERF/MPERF can be handled via the table like all the other scattered
CPU flags.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Borislav Petkov <borislav.petkov@amd.com>
LKML-Reference: <1270065406-1814-4-git-send-email-bp@amd64.org>
---
arch/x86/kernel/cpu/addon_cpuid_features.c | 23 ++++++++---------------
1 files changed, 8 insertions(+), 15 deletions(-)
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index fd1fc19..10fa568 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -30,13 +30,14 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
const struct cpuid_bit *cb;
static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {
- { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
- { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 },
- { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007 },
- { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a },
- { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a },
- { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a },
- { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a },
+ { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
+ { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 },
+ { X86_FEATURE_APERFMPERF, CR_ECX, 0, 0x00000006 },
+ { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007 },
+ { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a },
+ { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a },
+ { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a },
+ { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a },
{ 0, 0, 0, 0 }
};
@@ -54,14 +55,6 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
if (regs[cb->reg] & (1 << cb->bit))
set_cpu_cap(c, cb->feature);
}
-
- /*
- * common AMD/Intel features
- */
- if (c->cpuid_level >= 6) {
- if (cpuid_ecx(6) & 0x1)
- set_cpu_cap(c, X86_FEATURE_APERFMPERF);
- }
}
/* leaf 0xb SMT level */
next prev parent reply other threads:[~2010-05-03 23:22 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-31 19:56 [-v3 PATCH 0/6] powernow-k8: Core Performance Boost and effective frequency support Borislav Petkov
2010-03-31 19:56 ` [PATCH 1/6] x86, cpu: Add AMD core boosting feature flag to /proc/cpuinfo Borislav Petkov
2010-04-09 22:18 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2010-03-31 19:56 ` [PATCH 2/6] powernow-k8: Add core performance boost support Borislav Petkov
2010-04-09 22:19 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2010-03-31 19:56 ` [PATCH 3/6] x86: Unify APERF/MPERF support Borislav Petkov
2010-04-09 22:19 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2010-05-03 23:21 ` tip-bot for H. Peter Anvin [this message]
2010-03-31 19:56 ` [PATCH 4/6] cpufreq: Add APERF/MPERF support for AMD processors Borislav Petkov
2010-04-01 9:01 ` Marvin
2010-04-01 10:36 ` Borislav Petkov
2010-04-01 11:46 ` Marvin
2010-04-01 14:00 ` Borislav Petkov
2010-04-01 14:19 ` [-v3.1 PATCH " Borislav Petkov
2010-04-09 22:19 ` [tip:x86/cpu] x86, " tip-bot for Mark Langsdorf
2010-03-31 19:56 ` [PATCH 5/6] powernow-k8: Fix frequency reporting Borislav Petkov
2010-04-09 22:19 ` [tip:x86/cpu] " tip-bot for Mark Langsdorf
2010-05-03 13:09 ` [tip:x86/urgent] " tip-bot for Mark Langsdorf
2010-03-31 19:56 ` [PATCH 6/6] cpufreq: Unify sysfs attribute definition macros Borislav Petkov
2010-04-09 22:20 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
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