On Mon, Dec 13, 2021 at 02:14:03AM -0500, Tianyu Lan wrote:
> From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
>
> Hyper-V provides Isolation VM for confidential computing support and
> guest memory is encrypted in it. Places checking cc_platform_has()
> with GUEST_MEM_ENCRYPT attr should return "True" in Isolation vm. e.g,
Stick to a single spelling variant: "VM".
> swiotlb bounce buffer size needs to adjust according to memory size
> in the sev_setup_arch().
So basically you wanna simply say here:
"Hyper-V Isolation VMs need to adjust the SWIOTLB size just like SEV
guests. Add a hyperv_cc_platform_has() variant which enables that."
?
With that addressed you can have my
Acked-by: Borislav Petkov <bp@xxxxxxx>
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
