[xen stable-4.20] x86/ucode: Add extra rows to the entrysign model table

[patchbot@xxxxxxx]

commit 3cf64acdd486c246f9053f9ff5dc672383462df9
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Nov 13 09:37:57 2025 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Nov 13 09:37:57 2025 +0100

    x86/ucode: Add extra rows to the entrysign model table
    
    Link: https://git.kernel.org/tip/d23550efc6800841b4d1639784afaebdea946ae0
    Fixes: ff8228ab4658 ("x86/ucode: Relax digest check when Entrysign is fixed 
in firmware")
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 3907ea4ba9c9229970018e88871696a9f933faa5
    master date: 2025-11-10 16:56:03 +0000
---
 xen/arch/x86/cpu/microcode/amd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/cpu/microcode/amd.c b/xen/arch/x86/cpu/microcode/amd.c
index 36934304c1..af7f8f8aed 100644
--- a/xen/arch/x86/cpu/microcode/amd.c
+++ b/xen/arch/x86/cpu/microcode/amd.c
@@ -648,10 +648,12 @@ void __init amd_check_entrysign(void)
     case 0x0aa001: fixed_rev = 0x17; break;
     case 0x0aa002: fixed_rev = 0x19; break;
     case 0x0b0021: fixed_rev = 0x47; break;
+    case 0x0b0081: fixed_rev = 0x12; break;
     case 0x0b1010: fixed_rev = 0x47; break;
     case 0x0b2040: fixed_rev = 0x32; break;
     case 0x0b4040: fixed_rev = 0x32; break;
     case 0x0b6000: fixed_rev = 0x32; break;
+    case 0x0b6080: fixed_rev = 0x32; break;
     case 0x0b7000: fixed_rev = 0x32; break;
     default:
         printk(XENLOG_WARNING
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.20