diff options
-rw-r--r-- | arch/x86/kernel/cpu/common.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/intel.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/tsc_msr.c | 5 |
3 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index b6a9e27755d7..030e52749a74 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1059,6 +1059,7 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = { VULNWL_INTEL(CORE_YONAH, NO_SSB), VULNWL_INTEL(ATOM_AIRMONT_MID, NO_L1TF | MSBDS_ONLY | NO_SWAPGS), + VULNWL_INTEL(ATOM_AIRMONT_NP, NO_L1TF | NO_SWAPGS), VULNWL_INTEL(ATOM_GOLDMONT, NO_MDS | NO_L1TF | NO_SWAPGS), VULNWL_INTEL(ATOM_GOLDMONT_D, NO_MDS | NO_L1TF | NO_SWAPGS), diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index e2082ccccf13..c2fdc00df163 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -268,6 +268,7 @@ static void early_init_intel(struct cpuinfo_x86 *c) case INTEL_FAM6_ATOM_SALTWELL_MID: case INTEL_FAM6_ATOM_SALTWELL_TABLET: case INTEL_FAM6_ATOM_SILVERMONT_MID: + case INTEL_FAM6_ATOM_AIRMONT_NP: set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC_S3); break; default: diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c index 067858fe4db8..e0cbe4f2af49 100644 --- a/arch/x86/kernel/tsc_msr.c +++ b/arch/x86/kernel/tsc_msr.c @@ -58,6 +58,10 @@ static const struct freq_desc freq_desc_ann = { 1, { 83300, 100000, 133300, 100000, 0, 0, 0, 0 } }; +static const struct freq_desc freq_desc_lgm = { + 1, { 78000, 78000, 78000, 78000, 78000, 78000, 78000, 78000 } +}; + static const struct x86_cpu_id tsc_msr_cpu_ids[] = { INTEL_CPU_FAM6(ATOM_SALTWELL_MID, freq_desc_pnw), INTEL_CPU_FAM6(ATOM_SALTWELL_TABLET, freq_desc_clv), @@ -65,6 +69,7 @@ static const struct x86_cpu_id tsc_msr_cpu_ids[] = { INTEL_CPU_FAM6(ATOM_SILVERMONT_MID, freq_desc_tng), INTEL_CPU_FAM6(ATOM_AIRMONT, freq_desc_cht), INTEL_CPU_FAM6(ATOM_AIRMONT_MID, freq_desc_ann), + INTEL_CPU_FAM6(ATOM_AIRMONT_NP, freq_desc_lgm), {} }; |