linux-kernel - [PATCH v2 1/6] x86/cpu: Add Xeon Icelake-D to list of CPUs that support PPIN

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Date:   Fri, 21 Jan 2022 09:47:38 -0800
From:   Tony Luck <tony.luck@...el.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Smita Koralahalli Channabasappa 
        <smita.koralahallichannabasappa@....com>,
        Wei Huang <wei.huang2@....com>,
        Tom Lendacky <thomas.lendacky@....com>,
        patches@...ts.linux.dev, Tony Luck <tony.luck@...el.com>,
        Ailin Xu <ailin.xu@...el.com>
Subject: [PATCH v2 1/6] x86/cpu: Add Xeon Icelake-D to list of CPUs that support PPIN

Missed adding the Icelake-D CPU to the list. It uses the same MSRs
to control and read the inventory number as all the other models.

Reported-by: Ailin Xu <ailin.xu@...el.com>
Fixes: dc6b025de95b ("x86/mce: Add Xeon Icelake to list of CPUs that support PPIN")
Cc: <stable@...r.kernel.org>
Signed-off-by: Tony Luck <tony.luck@...el.com>
---
 arch/x86/kernel/cpu/mce/intel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/mce/intel.c b/arch/x86/kernel/cpu/mce/intel.c
index bb9a46a804bf..baafbb37be67 100644
--- a/arch/x86/kernel/cpu/mce/intel.c
+++ b/arch/x86/kernel/cpu/mce/intel.c
@@ -486,6 +486,7 @@ static void intel_ppin_init(struct cpuinfo_x86 *c)
 	case INTEL_FAM6_BROADWELL_X:
 	case INTEL_FAM6_SKYLAKE_X:
 	case INTEL_FAM6_ICELAKE_X:
+	case INTEL_FAM6_ICELAKE_D:
 	case INTEL_FAM6_SAPPHIRERAPIDS_X:
 	case INTEL_FAM6_XEON_PHI_KNL:
 	case INTEL_FAM6_XEON_PHI_KNM:
-- 
2.31.1