Messages in this thread | | | Date | Tue, 14 Dec 2021 17:05:01 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH V7 2/5] x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has() |
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On Mon, Dec 13, 2021 at 02:14:03AM -0500, Tianyu Lan wrote: > From: Tianyu Lan <Tianyu.Lan@microsoft.com> > > 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@suse.de>
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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