On 22/12/15 16:46, Jan Beulich wrote:
On 16.12.15 at 22:24, wrote:
>> --- a/xen/arch/x86/cpu/amd.c
>> +++ b/xen/arch/x86/cpu/amd.c
>> @@ -481,7 +481,7 @@ static void __devinit init_amd(struct cpuinfo_x86 *c)
>>
>> if (c->extended_cpuid_level >= 0x8007) {
>> c->x86_powe
>>> On 16.12.15 at 22:24, wrote:
> --- a/xen/arch/x86/cpu/amd.c
> +++ b/xen/arch/x86/cpu/amd.c
> @@ -481,7 +481,7 @@ static void __devinit init_amd(struct cpuinfo_x86 *c)
>
> if (c->extended_cpuid_level >= 0x8007) {
> c->x86_power = cpuid_edx(0x8007);
> -
New words are:
* 0x0007:0.ecx - New for Intel Skylake processors
* 0x8007.edx - Contains Invarient TSC
* 0x8008.ebx - Newly used for AMD Zen processors
In addition, replace a lot of open-coded Invarient TSC manipulation.
Signed-off-by: Andrew Cooper
---
CC: Jan Beulich
---
xen/a
