Commit-ID: 6265ff19ca08df0d96c859ae5e4dc2d9ad07070e
Gitweb: http://git.kernel.org/tip/6265ff19ca08df0d96c859ae5e4dc2d9ad07070e
Author: Andreas Herrmann <andreas.herrmann3@xxxxxxx>
AuthorDate: Thu, 9 Apr 2009 15:47:10 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 10 Apr 2009 15:41:18 +0200
x86: cacheinfo: complete L2/L3 Cache and TLB associativity field definitions
See "CPUID Specification" (AMD Publication #: 25481, Rev. 2.28, April 2008)
Signed-off-by: Andreas Herrmann <andreas.herrmann3@xxxxxxx>
Cc: Mark Langsdorf <mark.langsdorf@xxxxxxx>
LKML-Reference: <20090409134710.GA8026@xxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/kernel/cpu/intel_cacheinfo.c | 16 ++++++++++++----
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index d46a849..789efe2 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -200,10 +200,17 @@ union l3_cache {
};
static const unsigned short __cpuinitconst assocs[] = {
- [1] = 1, [2] = 2, [4] = 4, [6] = 8,
- [8] = 16, [0xa] = 32, [0xb] = 48,
+ [1] = 1,
+ [2] = 2,
+ [4] = 4,
+ [6] = 8,
+ [8] = 16,
+ [0xa] = 32,
+ [0xb] = 48,
[0xc] = 64,
- [0xf] = 0xffff // ??
+ [0xd] = 96,
+ [0xe] = 128,
+ [0xf] = 0xffff /* fully associative - no way to show this currently */
};
static const unsigned char __cpuinitconst levels[] = { 1, 1, 2, 3 };
@@ -264,7 +271,8 @@ amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax,
eax->split.type = types[leaf];
eax->split.level = levels[leaf];
if (leaf == 3)
- eax->split.num_threads_sharing = current_cpu_data.x86_max_cores - 1;
+ eax->split.num_threads_sharing =
+ current_cpu_data.x86_max_cores - 1;
else
eax->split.num_threads_sharing = 0;
eax->split.num_cores_on_die = current_cpu_data.x86_max_cores - 1;
--
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