From: "tip-bot2 for Mario Limonciello" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Mario Limonciello <mario.limonciello@amd.com>,
"Borislav Petkov (AMD)" <bp@alien8.de>, <stable@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: x86/urgent] x86/CPU/AMD: Add additional fixed RDSEED microcode revisions
Date: Fri, 14 Nov 2025 12:36:24 -0000 [thread overview]
Message-ID: <176312378412.498.16967122427223509290.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20251113223608.1495655-1-mario.limonciello@amd.com>
The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: e1a97a627cd01d73fac5dd054d8f3de601ef2781
Gitweb: https://git.kernel.org/tip/e1a97a627cd01d73fac5dd054d8f3de601ef2781
Author: Mario Limonciello <mario.limonciello@amd.com>
AuthorDate: Thu, 13 Nov 2025 16:35:50 -06:00
Committer: Borislav Petkov (AMD) <bp@alien8.de>
CommitterDate: Fri, 14 Nov 2025 13:02:11 +01:00
x86/CPU/AMD: Add additional fixed RDSEED microcode revisions
Microcode that resolves the RDSEED failure (SB-7055 [1]) has been released for
additional Zen5 models to linux-firmware [2]. Update the zen5_rdseed_microcode
array to cover these new models.
Fixes: 607b9fb2ce24 ("x86/CPU/AMD: Add RDSEED fix for Zen5")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7055.html [1]
Link: https://gitlab.com/kernel-firmware/linux-firmware/-/commit/6167e5566900cf236f7a69704e8f4c441bc7212a [2]
Link: https://patch.msgid.link/20251113223608.1495655-1-mario.limonciello@amd.com
---
arch/x86/kernel/cpu/amd.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 2ba9f2d..5d46709 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1037,7 +1037,14 @@ static void init_amd_zen4(struct cpuinfo_x86 *c)
static const struct x86_cpu_id zen5_rdseed_microcode[] = {
ZEN_MODEL_STEP_UCODE(0x1a, 0x02, 0x1, 0x0b00215a),
+ ZEN_MODEL_STEP_UCODE(0x1a, 0x08, 0x1, 0x0b008121),
ZEN_MODEL_STEP_UCODE(0x1a, 0x11, 0x0, 0x0b101054),
+ ZEN_MODEL_STEP_UCODE(0x1a, 0x24, 0x0, 0x0b204037),
+ ZEN_MODEL_STEP_UCODE(0x1a, 0x44, 0x0, 0x0b404035),
+ ZEN_MODEL_STEP_UCODE(0x1a, 0x44, 0x1, 0x0b404108),
+ ZEN_MODEL_STEP_UCODE(0x1a, 0x60, 0x0, 0x0b600037),
+ ZEN_MODEL_STEP_UCODE(0x1a, 0x68, 0x0, 0x0b608038),
+ ZEN_MODEL_STEP_UCODE(0x1a, 0x70, 0x0, 0x0b700037),
{},
};
next parent reply other threads:[~2025-11-14 12:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20251113223608.1495655-1-mario.limonciello@amd.com>
2025-11-14 12:36 ` tip-bot2 for Mario Limonciello [this message]
[not found] ` <e94dd76b-4911-482f-8500-5c848a3df026@citrix.com>
2025-11-14 13:06 ` [PATCH] x86/CPU/AMD: Add additional fixed microcode for SB-7055 Borislav Petkov
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