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Commit feb3eb70 authored by Gleb Natapov's avatar Gleb Natapov Committed by Marcelo Tosatti
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KVM: MMU: make spte_is_locklessly_modifiable() more clear 



spte_is_locklessly_modifiable() checks that both SPTE_HOST_WRITEABLE and
SPTE_MMU_WRITEABLE are present on spte. Make it more explicit.

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 75d61fbc

arch/x86/kvm/mmu.c

+2 −1
Original line number Diff line number Diff line
@@ -448,7 +448,8 @@ static bool __check_direct_spte_mmio_pf(u64 spte) 


static bool spte_is_locklessly_modifiable(u64 spte)

{

	return !(~spte & (SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE));

	return (spte & (SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE)) ==

		(SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE);

}



static bool spte_has_volatile_bits(u64 spte)