linux-kernel - [PATCH v3 04/74] x86/cpu/vfm: Update arch/x86/crypto/poly1305

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Date: Tue, 16 Apr 2024 14:19:06 -0700
From: Tony Luck <tony.luck@...el.com>
To: Borislav Petkov <bp@...en8.de>
Cc: x86@...nel.org,
	linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev,
	Tony Luck <tony.luck@...el.com>
Subject: [PATCH v3 04/74] x86/cpu/vfm: Update arch/x86/crypto/poly1305_glue.c

New CPU #defines encode vendor and family as well as model.

Signed-off-by: Tony Luck <tony.luck@...el.com>
---
 arch/x86/crypto/poly1305_glue.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c
index 1dfb8af48a3c..9738995080bc 100644
--- a/arch/x86/crypto/poly1305_glue.c
+++ b/arch/x86/crypto/poly1305_glue.c
@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/sizes.h>
+#include <asm/cpu_device_id.h>
 #include <asm/intel-family.h>
 #include <asm/simd.h>
 
@@ -269,7 +270,7 @@ static int __init poly1305_simd_mod_init(void)
 	    boot_cpu_has(X86_FEATURE_AVX2) && boot_cpu_has(X86_FEATURE_AVX512F) &&
 	    cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM | XFEATURE_MASK_AVX512, NULL) &&
 	    /* Skylake downclocks unacceptably much when using zmm, but later generations are fast. */
-	    boot_cpu_data.x86_model != INTEL_FAM6_SKYLAKE_X)
+	    boot_cpu_data.x86_vfm != INTEL_SKYLAKE_X)
 		static_branch_enable(&poly1305_use_avx512);
 	return IS_REACHABLE(CONFIG_CRYPTO_HASH) ? crypto_register_shash(&alg) : 0;
 }
-- 
2.44.0