Messages in this thread | | | Date | Thu, 6 Sep 2018 20:33:34 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v5 5/5] x86/kvm: Avoid dynamic allocation of pvclock data when SEV is active |
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On Thu, Sep 06, 2018 at 08:54:52AM -0700, Sean Christopherson wrote: > My thought was that we could simply define a second array for the SEV > case to statically allocate for NR_CPUS since __decrypted has a big > chunk of memory that would be ununsed anyways[1]. And since the second > array is only used for SEV it can be freed if !SEV.
Lemme see if I get it straight:
__decrypted:
4K
__decrypted_XXX:
((num_possible_cpus() * 32) / 4K) pages
__decrypted_end:
Am I close?
-- Regards/Gruss, Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
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