On Mon, 2023-03-06 at 22:51 +0100, Borislav Petkov wrote: > On Thu, Feb 23, 2023 at 12:27:50PM -0800, Dave Hansen wrote: > > On 2/23/23 12:01, Michael Kelley (LINUX) wrote: > > > Dave Hansen: Are you also OK with Sean's proposal? Looking for consensus > > > here .... > > > > Yeah, I'm generally OK with it as long as Borislav is. > > Right, I think we're ok with the following basic rules: > > - pure arch/x86/ code should use the x86_platform function pointers to > query hypervisor capabilities/peculiarities > > - cc_platform_has() should be used in generic/driver code as it > abstracts away the underlying platform better. IOW, querying > x86_platform.... in generic, platform-agnostic driver code looks weird to > say the least > > The hope is that those two should be enough to support most guest types > and not let the zoo get too much out of hand... > > Thx. In https://lore.kernel.org/all/20230308171328.1562857-13-usama.arif@xxxxxxxxxxxxx/ I added an sev_es_active() helper for x86 code. Is that consistent with the vision here, or should I do something different?
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