linux-kernel - [PATCH v4 48/71] x86/boot: Switch to new Intel CPU model defines

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Date: Wed, 24 Apr 2024 11:15:28 -0700
From: Tony Luck <tony.luck@...el.com>
To: Borislav Petkov <bp@...en8.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	x86@...nel.org
Cc: "H. Peter Anvin" <hpa@...or.com>,
	Tony Luck <tony.luck@...el.com>,
	linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev
Subject: [PATCH v4 48/71] x86/boot: Switch to new Intel CPU model defines

New CPU #defines encode vendor and family as well as model but
boot code doesn't have all the infrastucture to use them. Hard
code the one CPU model number used here.

Signed-off-by: Tony Luck <tony.luck@...el.com>
---
 arch/x86/boot/cpucheck.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
index fed8d13ce252..0aae4d4ed615 100644
--- a/arch/x86/boot/cpucheck.c
+++ b/arch/x86/boot/cpucheck.c
@@ -203,7 +203,7 @@ int check_knl_erratum(void)
 	 */
 	if (!is_intel() ||
 	    cpu.family != 6 ||
-	    cpu.model != INTEL_FAM6_XEON_PHI_KNL)
+	    cpu.model != 0x57 /*INTEL_XEON_PHI_KNL*/)
 		return 0;
 
 	/*
-- 
2.44.0