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[xen master] x86/ucode/amd: Fix microcode payload size for Fam19 processors



commit 90b014a6e6ecad036ec5846426afd19b305dedff
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Tue Feb 9 15:28:57 2021 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Wed Feb 10 13:23:51 2021 +0000

    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@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
---
 xen/arch/x86/cpu/microcode/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/cpu/microcode/amd.c b/xen/arch/x86/cpu/microcode/amd.c
index 500b2ce941..809ba4967c 100644
--- a/xen/arch/x86/cpu/microcode/amd.c
+++ b/xen/arch/x86/cpu/microcode/amd.c
@@ -111,7 +111,7 @@ static bool 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 )
     {
--
generated by git-patchbot for /home/xen/git/xen.git#master



 


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