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x86/CPU/AMD: Extend Zen6 model range

PATCH Applied Borislav Petkov 2 participants 3 messages Oct 29, 2025 – Oct 30, 2025 x86

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#0 lore raw

PATCH 1/1 x86/CPU/AMD: Extend Zen6 model range

From: "Borislav Petkov (AMD)" <[email protected]>

Add some more Zen6 models.

---
 arch/x86/kernel/cpu/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
arch/x86/kernel/cpu/amd.c +1 -1
index bc29be670a2a..8e36964a7721 100644
@@ -516,7 +516,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
 			setup_force_cpu_cap(X86_FEATURE_ZEN5);
 			break;
 		case 0x50 ... 0x5f:
-		case 0x90 ... 0xaf:
+		case 0x80 ... 0xaf:
 		case 0xc0 ... 0xcf:
 			setup_force_cpu_cap(X86_FEATURE_ZEN6);
 			break;
Signature · 1 line
2.51.0
#1 lore raw
The following commit has been merged into the x86/urgent branch of tip:

The following commit has been merged into the x86/urgent branch of tip:

Commit-ID:     94831a4857b6ffd387b52bbdc6bc444dd3658ca0
Gitweb:        https://git.kernel.org/tip/94831a4857b6ffd387b52bbdc6bc444dd3658ca0
Author:        Borislav Petkov (AMD) <[email protected]>
AuthorDate:    Wed, 29 Oct 2025 12:34:31 +01:00
Committer:     Borislav Petkov (AMD) <[email protected]>
CommitterDate: Wed, 29 Oct 2025 13:34:27 +01:00

x86/CPU/AMD: Extend Zen6 model range

Add some more Zen6 models.

---
 arch/x86/kernel/cpu/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
arch/x86/kernel/cpu/amd.c +1 -1
index bc29be6..8e36964 100644
@@ -516,7 +516,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
 			setup_force_cpu_cap(X86_FEATURE_ZEN5);
 			break;
 		case 0x50 ... 0x5f:
-		case 0x90 ... 0xaf:
+		case 0x80 ... 0xaf:
 		case 0xc0 ... 0xcf:
 			setup_force_cpu_cap(X86_FEATURE_ZEN6);
 			break;
#2 lore raw
In reply to Borislav Petkov
The following commit has been merged into the x86/urgent branch of tip:

The following commit has been merged into the x86/urgent branch of tip:

Commit-ID:     847ebc4476714f81d7dea73e5ea69448d7fe9d3a
Gitweb:        https://git.kernel.org/tip/847ebc4476714f81d7dea73e5ea69448d7fe9d3a
Author:        Borislav Petkov (AMD) <[email protected]>
AuthorDate:    Wed, 29 Oct 2025 12:34:31 +01:00
Committer:     Ingo Molnar <[email protected]>
CommitterDate: Thu, 30 Oct 2025 11:33:55 +01:00

x86/CPU/AMD: Extend Zen6 model range

Add some more Zen6 models.

---
 arch/x86/kernel/cpu/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
arch/x86/kernel/cpu/amd.c +1 -1
index bc29be6..8e36964 100644
@@ -516,7 +516,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
 			setup_force_cpu_cap(X86_FEATURE_ZEN5);
 			break;
 		case 0x50 ... 0x5f:
-		case 0x90 ... 0xaf:
+		case 0x80 ... 0xaf:
 		case 0xc0 ... 0xcf:
 			setup_force_cpu_cap(X86_FEATURE_ZEN6);
 			break;