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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-06-24 21:56:03 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-06-24 21:56:03 +0100 |
| commit | be9a6b532389149d4b0480f2a647e971b5ec5bda (patch) | |
| tree | 64ca46b86f3574b66a4f9794bd7d9b3153be5b6a /xen/arch/x86/microcode_amd.c | |
| parent | beb367d559f07dd19648c1aa4a54ee79e404059e (diff) | |
| download | xen-be9a6b532389149d4b0480f2a647e971b5ec5bda.tar.gz xen-be9a6b532389149d4b0480f2a647e971b5ec5bda.tar.bz2 xen-be9a6b532389149d4b0480f2a647e971b5ec5bda.zip | |
x86: use rdmsrl/wrmsrl
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Diffstat (limited to 'xen/arch/x86/microcode_amd.c')
| -rw-r--r-- | xen/arch/x86/microcode_amd.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/xen/arch/x86/microcode_amd.c b/xen/arch/x86/microcode_amd.c index 7cec273820..f90334439a 100644 --- a/xen/arch/x86/microcode_amd.c +++ b/xen/arch/x86/microcode_amd.c @@ -47,7 +47,6 @@ struct equiv_cpu_entry *equiv_cpu_table; static int collect_cpu_info(int cpu, struct cpu_signature *csig) { struct cpuinfo_x86 *c = &cpu_data[cpu]; - uint32_t dummy; memset(csig, 0, sizeof(*csig)); @@ -58,7 +57,7 @@ static int collect_cpu_info(int cpu, struct cpu_signature *csig) return -EINVAL; } - rdmsr(MSR_AMD_PATCHLEVEL, csig->rev, dummy); + rdmsrl(MSR_AMD_PATCHLEVEL, csig->rev); printk(KERN_INFO "microcode: collect_cpu_info: patch_id=0x%x\n", csig->rev); @@ -126,7 +125,7 @@ static int apply_microcode(int cpu) { unsigned long flags; struct ucode_cpu_info *uci = &per_cpu(ucode_cpu_info, cpu); - uint32_t rev, dummy; + uint32_t rev; struct microcode_amd *mc_amd = uci->mc.mc_amd; /* We should bind the task to the CPU */ @@ -140,7 +139,7 @@ static int apply_microcode(int cpu) wrmsrl(MSR_AMD_PATCHLOADER, (unsigned long)&mc_amd->hdr.data_code); /* get patch id after patching */ - rdmsr(MSR_AMD_PATCHLEVEL, rev, dummy); + rdmsrl(MSR_AMD_PATCHLEVEL, rev); spin_unlock_irqrestore(µcode_update_lock, flags); |