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