Re: x86/apic: Drop useless CXL/CPX row from the TSC deadline errata table
From: Andrew Cooper
Date: Fri Jul 18 2025 - 06:44:05 EST
On 17/07/2025 9:25 pm, Sohil Mehta wrote:
> On 7/16/2025 9:08 AM, Andrew Cooper wrote:
>> A microcode revision of 0 is guaranteed to exit apic_validate_deadline_timer()
>> early, but a better way is with no row at all.
>>
> Yeah, not having an entry is much better. "exit" can be a bit ambiguous.
> Should we be slightly more precise?
It's "exit $foo early", although this is slightly hidden by the linebreak.
Alternatively, it could be phrased as "exit early from $foo" if you
think that's clearer?
>
> A microcode revision of 0 is guaranteed to return true for
> apic_validate_deadline_timer(), but a better way is with no row at all.
>
>> No functional change.
>>
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>> ---
> Reviewed-by: Sohil Mehta <sohil.mehta@xxxxxxxxx>
Thanks.
~Andrew