Commit e1a97a62 authored by Mario Limonciello's avatar Mario Limonciello Committed by Borislav Petkov (AMD)
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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: 607b9fb2 ("x86/CPU/AMD: Add RDSEED fix for Zen5")
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: default avatarBorislav 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
parent 0a8fb03f

arch/x86/kernel/cpu/amd.c

+7 −0
Original line number Diff line number Diff line
@@ -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),

	{},

};