Re: [PATCH for-4.20] CI: Fix microcode loading on Xen 4.20 and earlier

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 27 Oct 2025, Andrew Cooper wrote:
> CONFIG_UCODE_SCAN_DEFAULT only exists in Xen 4.21.  In older versions of xen,
> use ucode=scan on the command line.
> 
> Fixes: 690655a511cd ("CI: Include microcode for x86 hardware jobs")
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> ---
> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> CC: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> CC: Jan Beulich <JBeulich@xxxxxxxx>
> 
> The fixes tag is the 4.20 backport, not the original patch.  Found while
> trying to test the microcode loading backports.  (At least the XenServer
> testing has proved more useful).
> 
> 4.20 is the oldest branch that tries to load microcode in Gitlab CI, so this
> does not need backporting further.
> 
> https://gitlab.com/xen-project/hardware/xen-staging/-/pipelines/2126131501


Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>