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From: Andreas Herrmann <andreas.herrmann3@amd.com>
To: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: [PATCH 1/8] Revert "x86, cpu: intel_cacheinfo.c: use cpumask_first(to_cpumask())"
Date: Thu, 9 Apr 2009 14:59:34 +0200	[thread overview]
Message-ID: <20090409125934.GE31527@alberich.amd.com> (raw)
In-Reply-To: <20090409125659.GD31527@alberich.amd.com>

revert "x86, cpu: intel_cacheinfo.c: use cpumask_first(to_cpumask())"
and "x86, cpu: conform L3 Cache Index Disable to Linux standards"

in order to incrementally fix the L3 Cache index disable feature

This reverts commit d42c33ef0a236c6874c748438500c78edfaa1187.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>

---
 arch/x86/kernel/cpu/intel_cacheinfo.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 6f4d2a3..b728325 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -643,8 +643,7 @@ static ssize_t show_##file_name						\
 static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf,
 		 unsigned int index)
 {
-	int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map));
-	int node = cpu_to_node(cpu);
+	int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map));
 	struct pci_dev *dev = k8_northbridges[node];
 	unsigned int reg = 0;
 
@@ -666,8 +665,7 @@ static ssize_t
 store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf,
 		 size_t count, unsigned int index)
 {
-	int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map));
-	int node = cpu_to_node(cpu);
+	int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map));
 	struct pci_dev *dev = k8_northbridges[node];
 	unsigned long val = 0;
 	unsigned int scrubber = 0;
-- 
1.6.2




  reply	other threads:[~2009-04-09 13:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-09 12:56 [PATCH 0/8] x86: cacheinfo: cache_disable fixes/cleanup Andreas Herrmann
2009-04-09 12:59 ` Andreas Herrmann [this message]
2009-04-09 13:02 ` [PATCH 2/8] Revert "x86, cpu: conform L3 Cache Index Disable to Linux standards" Andreas Herrmann
2009-04-09 13:05 ` [PATCH 3/8] x86: cacheinfo: use L3 cache index disable feature only for CPUs that support it Andreas Herrmann
2009-04-10 12:36   ` [tip:x86/cpu] " Andreas Herrmann
2009-04-09 13:07 ` [PATCH 4/8] x86: cacheinfo: correct return value when cache_disable feature is not active Andreas Herrmann
2009-04-10 12:36   ` [tip:x86/cpu] " Andreas Herrmann
2009-04-09 13:16 ` [PATCH 5/8] x86: cacheinfo: use cached K8 NB_MISC devices instead of scanning for it Andreas Herrmann
2009-04-10 12:36   ` [tip:x86/cpu] " Andreas Herrmann
2009-04-09 13:18 ` [PATCH 6/8] x86: cacheinfo: replace sysfs interface for cache_disable feature Andreas Herrmann
2009-04-10 12:37   ` [tip:x86/cpu] " Mark Langsdorf
2009-04-13  4:52     ` Jaswinder Singh Rajput
2009-04-13  4:56       ` Jaswinder Singh Rajput
2009-04-14 11:58         ` Ingo Molnar
2009-04-14 12:48           ` Jaswinder Singh Rajput
2009-04-14 13:28             ` Ingo Molnar
2009-04-09 13:24 ` [PATCH 7/8] x86: cacheinfo: disable L3 ECC scrubbing when L3 cache index is disabled Andreas Herrmann
2009-04-10 12:37   ` [tip:x86/cpu] " Mark Langsdorf
2009-04-09 13:31 ` [PATCH 8/8] x86/docs: add description for cache_disable sysfs interface Andreas Herrmann
2009-04-10 12:37   ` [tip:x86/cpu] " Mark Langsdorf
2009-04-10 12:28 ` [PATCH 0/8] x86: cacheinfo: cache_disable fixes/cleanup Ingo Molnar

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