linux-kernel - [PATCH] x86/CPU/AMD: Add more models to X86_FEATURE

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Date: Wed, 24 Jan 2024 16:07:49 -0600
From: Mario Limonciello <mario.limonciello@....com>
To: <bp@...en8.de>
CC: <x86@...nel.org>, <dave.hansen@...ux.intel.com>, <mingo@...hat.com>,
	<linux-kernel@...r.kernel.org>, Mario Limonciello <mario.limonciello@....com>
Subject: [PATCH] x86/CPU/AMD: Add more models to X86_FEATURE_ZEN5

Add parts from families 0x20, 0x40 and 0x70 to the synthetic feature
flag X86_FEATURE_ZEN5.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 arch/x86/kernel/cpu/amd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 34e5c2cb8042..310fea1af124 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -573,6 +573,9 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
 	case 0x1a:
 		switch (c->x86_model) {
 		case 0x00 ... 0x0f:
+		case 0x20 ... 0x2f:
+		case 0x40 ... 0x4f:
+		case 0x70 ... 0x7f:
 			setup_force_cpu_cap(X86_FEATURE_ZEN5);
 			break;
 		default:
-- 
2.34.1