Messages in this thread Patch in this message | | | Date | Thu, 14 May 2020 18:35:25 -0000 | From | "tip-bot2 for Fenghua Yu" <> | Subject | [tip: x86/splitlock] x86/split_lock: Add Icelake microserver CPU model |
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The following commit has been merged into the x86/splitlock branch of tip:
Commit-ID: 0ed7bf1d92eafc37bb9eb7c8692a8e44d24f9b99 Gitweb: https://git.kernel.org/tip/0ed7bf1d92eafc37bb9eb7c8692a8e44d24f9b99 Author: Fenghua Yu <fenghua.yu@intel.com> AuthorDate: Thu, 30 Apr 2020 16:46:35 -07:00 Committer: Borislav Petkov <bp@suse.de> CommitterDate: Thu, 14 May 2020 19:25:10 +02:00
x86/split_lock: Add Icelake microserver CPU model
Icelake microserver CPU supports split lock detection while it doesn't have the split lock enumeration bit in IA32_CORE_CAPABILITIES.
Enumerate the feature by model number.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Tony Luck <tony.luck@intel.com> Link: https://lkml.kernel.org/r/1588290395-2677-1-git-send-email-fenghua.yu@intel.com --- arch/x86/kernel/cpu/intel.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index a19a680..b59bc4a 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1135,6 +1135,7 @@ 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(ICELAKE_D, 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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