From: Tony Luck Date: Thu, 16 Apr 2020 20:57:54 +0000 (-0700) Subject: x86/split_lock: Add Tremont family CPU models X-Git-Tag: v5.7-rc2~3^2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=8b9a18a9f2494144fe23fe630d0734310fa65301;p=linux-2.6-block.git 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 Signed-off-by: Thomas Gleixner Link: https://lkml.kernel.org/r/20200416205754.21177-4-tony.luck@intel.com --- 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), {} };