Re: [PATCH v5 1/22] x86/virt/tdx: Detect TDX during kernel boot

From: Kai Huang
Date: Wed Aug 03 2022 - 05:25:29 EST


On Tue, 2022-08-02 at 10:01 +0800, Wu, Binbin wrote:
> On 2022/6/22 19:15, Kai Huang wrote:
> > + /*
> > + * TDX guarantees at least two TDX KeyIDs are configured by
> > + * BIOS, otherwise SEAMRR is disabled. Invalid TDX private
> > + * range means kernel bug (TDX is broken).
> > + */
> > + if (WARN_ON(!tdx_keyid_start || tdx_keyid_num < 2)) {
> Do you think it's better to define a meaningful macro instead of the
> number here and below?
> >

Personally I don't think we need a macro. The comment already said "two", so
having a macro doesn't help readability here (and below). But I am open on
this.

--
Thanks,
-Kai