linux-kernel - [PATCH] x86/split_lock: Enable the split lock feature on Raptor Lake

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Date:   Wed, 27 Apr 2022 16:10:59 -0700
From:   Tony Luck <tony.luck@...el.com>
To:     x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        Tony Luck <tony.luck@...el.com>
Subject: [PATCH] x86/split_lock: Enable the split lock feature on Raptor Lake

Raptor Lake supports the split lock detection feature. Add it to
the split_lock_cpu_ids[] array.

Signed-off-by: Tony Luck <tony.luck@...el.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 f7a5370a9b3b..24b473895635 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -1230,6 +1230,7 @@ static const struct x86_cpu_id split_lock_cpu_ids[] __initconst = {
 	X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X,	1),
 	X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE,		1),
 	X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L,		1),
+	X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE,		1),
 	{}
 };
 
-- 
2.35.1