Commit 8b9a18a9 authored Apr 16, 2020 by Tony Luck Committed by Thomas Gleixner Apr 18, 2020

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

parent 48fd5b5e

arch/x86/kernel/cpu/intel.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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),
		{}
		};

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