Messages in this thread | | | Date | Tue, 20 Dec 2022 10:55:44 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v10 3/9] KVM: Extend the memslot to support fd-based private memory |
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On Tue, Dec 20, 2022 at 03:43:18PM +0800, Chao Peng wrote: > RESTRICTEDMEM is needed by TDX_HOST, not TDX_GUEST.
Which basically means that RESTRICTEDMEM should simply depend on KVM. Because you can't know upfront whether KVM will run a TDX guest or a SNP guest and so on.
Which then means that RESTRICTEDMEM will practically end up always enabled in KVM HV configs.
> The only reason to add another HAVE_KVM_RESTRICTED_MEM is some code only > works for 64bit[*] and CONFIG_RESTRICTEDMEM is not sufficient to enforce > that.
This is what I mean with "we have too many Kconfig items". :-\
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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