Messages in this thread | | | Date | Fri, 11 Nov 2022 16:21:45 -0800 | Subject | Re: [PATCH v2 02/12] x86/ioapic: Gate decrypted mapping on cc_platform_has() attribute | From | Dave Hansen <> |
| |
On 11/10/22 22:21, Michael Kelley wrote: > * Ensure fixmaps for IOAPIC MMIO respect memory encryption pgprot > * bits, just like normal ioremap(): > */ > - flags = pgprot_decrypted(flags); > + if (!cc_platform_has(CC_ATTR_HAS_PARAVISOR)) > + flags = pgprot_decrypted(flags);
This begs the question whether *all* paravisors will want to avoid a decrypted ioapic mapping. Is this _fundamental_ to paravisors, or it is an implementation detail of this _individual_ paravisor?
| |