RE: [PATCH v2] Linux VM workaround for Knights Landing A/D leak

[Anaczkowski, Lukasz]

From: Borislav Petkov [mailto:b...@alien8.de] 
Sent: Tuesday, June 14, 2016 8:10 PM

>> +    if (boot_cpu_has_bug(X86_BUG_PTE_LEAK))
>
> static_cpu_has_bug()

>> +    if (c->x86_model == 87) {
>
> That should be INTEL_FAM6_XEON_PHI_KNL, AFAICT.

>> +            static bool printed;
>> +
>> +            if (!printed) {
>> +                    pr_info("Enabling PTE leaking workaround\n");
>> +                    printed = true;
>> +            }
>
> pr_info_once

Thanks, Boris! This is very valuable. I'll address  those comments in next 
version of the patch.

Cheers,
Lukasz