[SRU][J][PATCH 2/2] x86/cpu: Add Xeon Emerald Rapids to list of CPUs that support PPIN

Roxana Nicolescu roxana.nicolescu at canonical.com
Wed May 10 15:57:45 UTC 2023


From: Tony Luck <tony.luck at intel.com>

BugLink: https://bugs.launchpad.net/bugs/2019131

This should be the last addition to this table. Future CPUs will
enumerate PPIN support using CPUID.

Signed-off-by: Tony Luck <tony.luck at intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp at alien8.de>
Link: https://lore.kernel.org/r/20230404212124.428118-1-tony.luck@intel.com
(cherry picked from commit 36168bc061b4368ad19e82b06a6463c95d3bb9a7)
Signed-off-by: Roxana Nicolescu <roxana.nicolescu at canonical.com>
---
 arch/x86/kernel/cpu/common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index a8659780de00..40f48b8cafc7 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -111,6 +111,7 @@ static const struct x86_cpu_id ppin_cpuids[] = {
 	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, &ppin_info[X86_VENDOR_INTEL]),
 	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, &ppin_info[X86_VENDOR_INTEL]),
 	X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &ppin_info[X86_VENDOR_INTEL]),
+	X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &ppin_info[X86_VENDOR_INTEL]),
 	X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, &ppin_info[X86_VENDOR_INTEL]),
 	X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, &ppin_info[X86_VENDOR_INTEL]),
 
-- 
2.34.1




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