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

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Message-ID: <170618435416.398.10999476782072696923.tip-bot2@tip-bot2>
Date: Thu, 25 Jan 2024 12:05:54 -0000
From: "tip-bot2 for Mario Limonciello" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Mario Limonciello <mario.limonciello@....com>,
 "Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/urgent] x86/CPU/AMD: Add more models to X86_FEATURE_ZEN5

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

Commit-ID:     b9328fd636bd50da89e792e135b234ba8e6fe59f
Gitweb:        https://git.kernel.org/tip/b9328fd636bd50da89e792e135b234ba8e6fe59f
Author:        Mario Limonciello <mario.limonciello@....com>
AuthorDate:    Wed, 24 Jan 2024 16:07:49 -06:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Thu, 25 Jan 2024 12:26:21 +01:00

x86/CPU/AMD: Add more models to X86_FEATURE_ZEN5

Add model ranges starting at 0x20, 0x40 and 0x70 to the synthetic
feature flag X86_FEATURE_ZEN5.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20240124220749.2983-1-mario.limonciello@amd.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 bc49e3b..f3abca3 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: