Messages in this thread Patch in this message | | | From | Tony Luck <> | Subject | [PATCH 3/3] x86/split_lock: Add Tremont family CPU models | Date | Thu, 16 Apr 2020 13:57:54 -0700 |
| |
Tremont CPUs support IA32_CORE_CAPABILITIES bits to indicate whether speciifc SKUs have support for split lock detection.
Fixes: 6650cdd9a8cc ("x86/split_lock: Enable split lock detection by kernel") Cc: <stable@vger.kernel.org> Signed-off-by: Tony Luck <tony.luck@intel.com> --- arch/x86/kernel/cpu/intel.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 3b43b2c91054..d559481b54a6 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1130,6 +1130,9 @@ 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), {} }; -- 2.21.1
| |