Re: [PATCH v2 1/5] x86: Detection of Knights Landing A/D leak

Nadav Amit
2021-10-26T15:57:55Z

> On Oct 26, 2021, at 8:54 AM, Dave Hansen <dave.hansen@intel.com> wrote:
>
> On 10/21/21 5:21 AM, Nadav Amit wrote:
>> --- a/arch/x86/kernel/cpu/intel.c
>> +++ b/arch/x86/kernel/cpu/intel.c
>> @@ -296,6 +296,11 @@ static void early_init_intel(struct cpuinfo_x86 *c)
>> }
>> }
>>
>> + if (c->x86_model == 87) {
>> + pr_info_once("Enabling PTE leaking workaround\n");
>> + set_cpu_bug(c, X86_BUG_PTE_LEAK);
>> + }
>
> Please take a look at:
>
> arch/x86/include/asm/intel-family.h
>
> specifically:
>
> #define INTEL_FAM6_XEON_PHI_KNL 0x57 /* Knights Landing */

Thanks, I will fix it. I really just copy pasted from Andi’s patch
(for better and worse).