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| author | Andi Kleen | 2006-06-26 13:56:13 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2006-06-26 19:48:14 +0200 |
| commit | 240cd6a80642da528bfa382ec2ae4e3cb8991ea7 (patch) | |
| tree | 6c24052ea167a2fd7e0be93c167e9e7da5bddd2b /arch/x86_64/kernel/setup.c | |
| parent | [PATCH] i386/x86-64: Use new official CPUID to get APICID/core split on AMD p... (diff) | |
| download | kernel-qcow2-linux-240cd6a80642da528bfa382ec2ae4e3cb8991ea7.tar.gz kernel-qcow2-linux-240cd6a80642da528bfa382ec2ae4e3cb8991ea7.tar.xz kernel-qcow2-linux-240cd6a80642da528bfa382ec2ae4e3cb8991ea7.zip | |
[PATCH] i386/x86-64: Emulate CPUID4 on AMD
Intel systems report the cache level data from CPUID 4 in sysfs.
Add a CPUID 4 emulation for AMD CPUs to report the same
information for them. This allows programs to read this
information in a uniform way.
The AMD way to report this is less flexible so some assumptions
are hardcoded (e.g. no L3)
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/setup.c')
| -rw-r--r-- | arch/x86_64/kernel/setup.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 1cb3e21c571a..4b7e02216970 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -976,6 +976,9 @@ static int __init init_amd(struct cpuinfo_x86 *c) if (c->extended_cpuid_level >= 0x80000008) amd_detect_cmp(c); + /* Fix cpuid4 emulation for more */ + num_cache_leaves = 3; + return r; } |