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| author | James Morris <jmorris@namei.org> | 2011-11-16 12:39:48 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-11-16 12:39:48 +1100 |
| commit | 24942c8e5cc8696064ee207ff29d4cf21f70dafc (patch) | |
| tree | 08a8221eb72ec3da7746d7d76f6f5915ce77cde7 /arch/x86/kernel/microcode_amd.c | |
| parent | e163bc8e4a0cd1cdffadb58253f7651201722d56 (diff) | |
| parent | ff0ff78068dd8a962358dbbdafa9d6f24540d3e5 (diff) | |
| download | linux-stable-24942c8e5cc8696064ee207ff29d4cf21f70dafc.tar.gz linux-stable-24942c8e5cc8696064ee207ff29d4cf21f70dafc.tar.bz2 linux-stable-24942c8e5cc8696064ee207ff29d4cf21f70dafc.zip | |
Merge branch 'master'; commit 'v3.2-rc2' into next
Diffstat (limited to 'arch/x86/kernel/microcode_amd.c')
| -rw-r--r-- | arch/x86/kernel/microcode_amd.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 591be0ee1934..d494799aafcd 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -74,14 +74,13 @@ static struct equiv_cpu_entry *equiv_cpu_table; static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig) { struct cpuinfo_x86 *c = &cpu_data(cpu); - u32 dummy; if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10) { pr_warning("CPU%d: family %d not supported\n", cpu, c->x86); return -1; } - rdmsr(MSR_AMD64_PATCH_LEVEL, csig->rev, dummy); + csig->rev = c->microcode; pr_info("CPU%d: patch_level=0x%08x\n", cpu, csig->rev); return 0; @@ -130,6 +129,7 @@ static int apply_microcode_amd(int cpu) int cpu_num = raw_smp_processor_id(); struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num; struct microcode_amd *mc_amd = uci->mc; + struct cpuinfo_x86 *c = &cpu_data(cpu); /* We should bind the task to the CPU */ BUG_ON(cpu_num != cpu); @@ -150,6 +150,7 @@ static int apply_microcode_amd(int cpu) pr_info("CPU%d: new patch_level=0x%08x\n", cpu, rev); uci->cpu_sig.rev = rev; + c->microcode = rev; return 0; } |