Commit cb17d79f authored by Oliver Upton's avatar Oliver Upton
Browse files

KVM: arm64: Use kvzalloc() for kvm struct allocation 



Physically-allocated KVM structs aren't necessary when in VHE mode as
there's no need to share with the hyp's address space. Of course, there
can still be a performance benefit from physical allocations.

Use kvzalloc() for opportunistic physical allocations.

Acked-by: default avatarVishal Moola (Oracle) <vishal.moola@gmail.com>
Reviewed-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarJoey Gouly <joey.gouly@arm.com>
Link: https://msgid.link/20251119093822.2513142-3-oupton@kernel.org


Signed-off-by: default avatarOliver Upton <oupton@kernel.org>
parent 29787706

arch/arm64/kvm/arm.c

+1 −1
Original line number Diff line number Diff line
@@ -440,7 +440,7 @@ struct kvm *kvm_arch_alloc_vm(void) 
	if (!has_vhe())

		return kzalloc(sz, GFP_KERNEL_ACCOUNT);



	return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_ZERO);

	return kvzalloc(sz, GFP_KERNEL_ACCOUNT);

}



int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id)