Re: [PATCH v2 1/5] x86: Detection of Knights Landing A/D leak
From: Dave Hansen <hidden>
Date: 2021-10-26 15:55:14
Also in:
lkml
On 10/21/21 5:21 AM, Nadav Amit wrote:
quoted hunk ↗ jump to hunk
--- 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 */