Re: [PATCH v7 06/22] coco/tdx-host: Expose P-SEAMLDR information via sysfs

Chao Gao
2026-04-01T01:57:47Z

On Tue, Mar 31, 2026 at 07:58:02AM -0700, Dave Hansen wrote:
>On 3/31/26 05:41, Chao Gao wrote:
>> Expose them as tdx-host device attributes. Make seamldr attributes
>> visible only when the update feature is supported, as that's their sole
>> purpose. Unconditional exposure is also problematic because reading them
>> triggers P-SEAMLDR calls that break KVM on CPUs with a specific erratum
>> (to be enumerated and handled in a later patch).
>
>The erratum is irrelevant, IMNHO. Or it *should* be irrelevant.

OK. I'll drop the erratum mention from the commit message.