On Sun, Apr 3, 2016 at 1:41 AM, Borislav Petkov <bp@xxxxxxxxx> wrote:
> On Sat, Apr 02, 2016 at 07:01:36AM -0700, Andy Lutomirski wrote:
>> These hooks match the _safe variants, so name them accordingly.
>> This will make room for unsafe PV hooks.
>>
>> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
>> ---
>> arch/x86/include/asm/paravirt.h | 33 +++++++++++++++++----------------
>> arch/x86/include/asm/paravirt_types.h | 8 ++++----
>> arch/x86/kernel/paravirt.c | 4 ++--
>> arch/x86/xen/enlighten.c | 4 ++--
>> 4 files changed, 25 insertions(+), 24 deletions(-)
>
> ...
>
>> diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
>> index 77db5616a473..5a06cccd36f0 100644
>> --- a/arch/x86/include/asm/paravirt_types.h
>> +++ b/arch/x86/include/asm/paravirt_types.h
>> @@ -155,10 +155,10 @@ struct pv_cpu_ops {
>> void (*cpuid)(unsigned int *eax, unsigned int *ebx,
>> unsigned int *ecx, unsigned int *edx);
>>
>> - /* MSR, PMC and TSR operations.
>> - err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */
>> - u64 (*read_msr)(unsigned int msr, int *err);
>> - int (*write_msr)(unsigned int msr, unsigned low, unsigned high);
>> + /* MSR operations.
>> + err = 0/-EIO. wrmsr returns 0/-EIO. */
>
> Please reformat this comment properly, while you're at it:
>
> /*
> * A sentence.
> * Another sentence.
> */
You already caught that one. It's fixed in "x86/paravirt: Add
paravirt_{read,write}_msr".
Congrats on being deterministic :)
--Andy
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