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| author | Tony Luck <tony.luck@intel.com> | 2020-04-16 22:57:54 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-04-18 12:48:44 +0200 |
| commit | 8b9a18a9f2494144fe23fe630d0734310fa65301 (patch) | |
| tree | f2944ba0b6fd416f772dfbb59519b10865d363df /arch | |
| parent | x86/split_lock: Bits in IA32_CORE_CAPABILITIES are not architectural (diff) | |
| download | linux-8b9a18a9f2494144fe23fe630d0734310fa65301.tar.xz linux-8b9a18a9f2494144fe23fe630d0734310fa65301.zip | |
x86/split_lock: Add Tremont family CPU models
Tremont CPUs support IA32_CORE_CAPABILITIES bits to indicate whether
specific SKUs have support for split lock detection.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200416205754.21177-4-tony.luck@intel.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index c23ad481347e..a19a680542ce 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1135,6 +1135,9 @@ void switch_to_sld(unsigned long tifn) static const struct x86_cpu_id split_lock_cpu_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, 0), X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, 0), + X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, 1), + X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, 1), + X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, 1), {} }; |