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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
This commit is contained in:
Tony Luck 2020-04-16 13:57:54 -07:00 committed by Thomas Gleixner
parent 48fd5b5ee7
commit 8b9a18a9f2
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kernel/cpu/intel.c
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@ -1135,6 +1135,9 @@ void switch_to_sld(unsigned long tifn)
static const struct x86_cpu_id split_lock_cpu_ids[] __initconst = { 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_X, 0),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, 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),
{} {}
}; };