Re: [PATCH] x86/ucode: Distinguish "ucode already up to date"

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Wed, May 08, 2024 at 05:18:42PM +0100, Andrew Cooper wrote:
> Right now, Xen returns -ENOENT for both "the provided blob isn't correct for
> this CPU", and "the blob isn't newer than what's loaded".
> 
> This in turn causes xen-ucode to exit with an error, when "nothing to do" is
> more commonly a success condition.
> 
> Handle EEXIST specially and exit cleanly.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks.