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SubjectRe: [PATCH] x86/split_lock: Enumerate split lock feature on Sapphire Rapids
Hi, Thomas, Boris, Ingo,

On Fri, Jun 26, 2020 at 02:55:34PM -0700, Fenghua Yu wrote:
> Add Sapphire Rapids processor to CPU list to enumerate split lock
> feature.
>
> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
> Reviewed-by: Tony Luck <tony.luck@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 c25a67a34bd3..dca069ad6671 100644
> --- a/arch/x86/kernel/cpu/intel.c
> +++ b/arch/x86/kernel/cpu/intel.c
> @@ -1148,6 +1148,7 @@ static const struct x86_cpu_id split_lock_cpu_ids[] __initconst = {
> X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, 1),
> X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, 1),
> X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, 1),
> + X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, 1),
> {}
> };

Any comment on this patch?

Thanks.

-Fenghua

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