Excerpts from Marc Zyngier's message of June 24, 2021 8:06 pm:
> On Thu, 24 Jun 2021 09:58:00 +0100,
> Nicholas Piggin wrote:
>>
>> Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
>> > From: David Stevens
>> > out_unlock:
>> >if (is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->ro
On 24/06/21 12:06, Marc Zyngier wrote:
On Thu, 24 Jun 2021 09:58:00 +0100,
Nicholas Piggin wrote:
Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
From: David Stevens
out_unlock:
if (is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa))
read_unlock(&v
On Thu, 24 Jun 2021 09:58:00 +0100,
Nicholas Piggin wrote:
>
> Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
> > From: David Stevens
> > out_unlock:
> > if (is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa))
> > read_unlock(&vcpu->kvm->mmu_lock);
> > els
Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
> From: David Stevens
> out_unlock:
> if (is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa))
> read_unlock(&vcpu->kvm->mmu_lock);
> else
> write_unlock(&vcpu->kvm->mmu_lock);
> - kvm_rel
On 24/06/21 05:57, David Stevens wrote:
static int __direct_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
- int map_writable, int max_level, kvm_pfn_t pfn,
+ int map_writable, int max_level,
+ const struct kvm_pfn_page *p
From: David Stevens
Avoid converting pfns returned by follow_fault_pfn to struct pages to
transiently take a reference. The reference was originally taken to
match the reference taken by gup. However, pfns returned by
follow_fault_pfn may not have a struct page set up for reference
counting.
Sig
