Fixes: 630e8875ab36 ("x86/ucode: Perform extra SHA2 checks on AMD Fam17h/19h microcode")
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Jan Beulich <JBeulich@suse.com>
CC: Roger Pau Monné <roger.pau@citrix.com>
CC: Oleksii Kurochko <oleksii.kurochko@gmail.com>

For 4.21.  This is a formatting fix with basically 0 risk.

It is encouraging that no-one has reported this bug so far, because it
suggests that no-one has turned off digest checking and then looked at dmesg.
---
 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 a5729229a403..59332da2b827 100644
--- a/xen/arch/x86/cpu/microcode/amd.c
+++ b/xen/arch/x86/cpu/microcode/amd.c
@@ -519,7 +519,7 @@ void __init ucode_probe_amd(struct microcode_ops *ops)
     if ( !opt_digest_check && boot_cpu_data.family >= 0x17 )
     {
         printk(XENLOG_WARNING
-               "Microcode patch additional digest checks disabled");
+               "Microcode patch additional digest checks disabled\n");
         add_taint(TAINT_CPU_OUT_OF_SPEC);
     }
 
-- 
2.39.5

On 10/17/25 1:26 AM, Andrew Cooper wrote:
> Fixes: 630e8875ab36 ("x86/ucode: Perform extra SHA2 checks on AMD Fam17h/19h microcode")
> Signed-off-by: Andrew Cooper<andrew.cooper3@citrix.com>
> ---
> CC: Jan Beulich<JBeulich@suse.com>
> CC: Roger Pau Monné<roger.pau@citrix.com>
> CC: Oleksii Kurochko<oleksii.kurochko@gmail.com>
>
> For 4.21.  This is a formatting fix with basically 0 risk.
>
> It is encouraging that no-one has reported this bug so far, because it
> suggests that no-one has turned off digest checking and then looked at dmesg.

Release-Acked-by: Oleksii Kurochko<oleksii.kurochko@gmail.com>

Thanks.

~ Oleksii

> ---
>   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 a5729229a403..59332da2b827 100644
> --- a/xen/arch/x86/cpu/microcode/amd.c
> +++ b/xen/arch/x86/cpu/microcode/amd.c
> @@ -519,7 +519,7 @@ void __init ucode_probe_amd(struct microcode_ops *ops)
>       if ( !opt_digest_check && boot_cpu_data.family >= 0x17 )
>       {
>           printk(XENLOG_WARNING
> -               "Microcode patch additional digest checks disabled");
> +               "Microcode patch additional digest checks disabled\n");
>           add_taint(TAINT_CPU_OUT_OF_SPEC);
>       }
>   

On 17.10.2025 01:26, Andrew Cooper wrote:
> Fixes: 630e8875ab36 ("x86/ucode: Perform extra SHA2 checks on AMD Fam17h/19h microcode")
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

Acked-by: Jan Beulich <jbeulich@suse.com>