From: Andrew Cooper <andrew.cooper3@citrix.com>
Date: Fri, 19 Mar 2021 14:33:15 +0000 (+0100)
Subject: x86/ucode/amd: Fix microcode payload size for Fam19 processors
X-Git-Tag: archive/raspbian/4.14.2+25-gb6a8c4f72d-2+rpi1^2~47^2~42
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=93fbbb3b10daf58d2aa8e7c21bc31e0c4de59a61;p=xen.git

x86/ucode/amd: Fix microcode payload size for Fam19 processors

The original limit provided wasn't accurate.  Blobs are in fact rather larger.

Fixes: fe36a173d1 ("x86/amd: Initial support for Fam19h processors")
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
master commit: 90b014a6e6ecad036ec5846426afd19b305dedff
master date: 2021-02-10 13:23:51 +0000
---

diff --git a/xen/arch/x86/cpu/microcode/amd.c b/xen/arch/x86/cpu/microcode/amd.c
index 5b45530d93..5eb93195c3 100644
--- a/xen/arch/x86/cpu/microcode/amd.c
+++ b/xen/arch/x86/cpu/microcode/amd.c
@@ -111,7 +111,7 @@ static bool_t verify_patch_size(uint32_t patch_size)
 #define F15H_MPB_MAX_SIZE 4096
 #define F16H_MPB_MAX_SIZE 3458
 #define F17H_MPB_MAX_SIZE 3200
-#define F19H_MPB_MAX_SIZE 4800
+#define F19H_MPB_MAX_SIZE 5568
 
     switch (boot_cpu_data.x86)
     {