The following commit has been merged into the x86/cpu branch of tip: Commit-ID: 0cc5359d8fd45bc410906e009117e78e2b5b2322 Gitweb: https://git.kernel.org/tip/0cc5359d8fd45bc410906e009117e78e2b5b2322 Author: Rahul Tanwar <rahul.tan...@linux.intel.com> AuthorDate: Thu, 05 Sep 2019 12:30:20 -07:00 Committer: Ingo Molnar <mi...@kernel.org> CommitterDate: Fri, 06 Sep 2019 07:30:40 +02:00
x86/cpu: Update init data for new Airmont CPU model Update properties for newly added Airmont CPU variant. Signed-off-by: Rahul Tanwar <rahul.tan...@linux.intel.com> Signed-off-by: Tony Luck <tony.l...@intel.com> Cc: Gayatri Kammela <gayatri.kamm...@intel.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: https://lkml.kernel.org/r/20190905193020.14707-5-tony.l...@intel.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/x86/kernel/cpu/common.c | 1 + arch/x86/kernel/cpu/intel.c | 1 + arch/x86/kernel/tsc_msr.c | 5 +++++ 3 files changed, 7 insertions(+) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index b6a9e27..030e527 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 e2082cc..c2fdc00 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 067858f..e0cbe4f 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), {} };
