linux-kernel - [PATCH 1/8] Revert "x86, cpu: intel_cacheinfo.c: use cpumask_first(to

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Message-ID: <20090409125934.GE31527@alberich.amd.com>
Date:	Thu, 9 Apr 2009 14:59:34 +0200
From:	Andreas Herrmann <andreas.herrmann3@....com>
To:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/8] Revert "x86, cpu: intel_cacheinfo.c: use
	cpumask_first(to_cpumask())"

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@....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



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