diff options
| -rw-r--r-- | xen/arch/x86/microcode_amd.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/xen/arch/x86/microcode_amd.c b/xen/arch/x86/microcode_amd.c index d2198d5838..add5b78600 100644 --- a/xen/arch/x86/microcode_amd.c +++ b/xen/arch/x86/microcode_amd.c @@ -170,11 +170,10 @@ out: static int apply_microcode_amd(int cpu) { unsigned long flags; - unsigned int eax, edx; - unsigned int rev; + uint32_t eax, edx, rev; int cpu_num = raw_smp_processor_id(); struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num; - unsigned long addr; + uint64_t addr; /* We should bind the task to the CPU */ BUG_ON(cpu_num != cpu); @@ -185,8 +184,8 @@ static int apply_microcode_amd(int cpu) spin_lock_irqsave(µcode_update_lock, flags); addr = (unsigned long)&uci->mc.mc_amd->hdr.data_code; - edx = (unsigned int)((unsigned long)(addr >> 32)); - eax = (unsigned int)((unsigned long)(addr & 0xffffffff)); + edx = (uint32_t)(addr >> 32); + eax = (uint32_t)addr; asm volatile("movl %0, %%ecx; wrmsr" : : "i" (MSR_AMD_PATCHLOADER), "a" (eax), "d" (edx) : "ecx"); |