| Message ID | 20180109190414.4017-7-suzuki.poulose@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Jan 09, 2018 at 07:04:01PM +0000, Suzuki K Poulose wrote: > So far we have only supported 3 level page table with fixed IPA of 40bits. > Fix stage2_flush_memslot() to accommodate for 4 level tables. > Acked-by: Christoffer Dall <christoffer.dall@linaro.org> > Cc: Marc Zyngier <marc.zyngier@arm.com> > Cc: Christoffer Dall <cdall@linaro.org> > Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> > --- > virt/kvm/arm/mmu.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c > index 761787befd3b..e6548c85c495 100644 > --- a/virt/kvm/arm/mmu.c > +++ b/virt/kvm/arm/mmu.c > @@ -375,7 +375,8 @@ static void stage2_flush_memslot(struct kvm *kvm, > pgd = kvm->arch.pgd + stage2_pgd_index(addr); > do { > next = stage2_pgd_addr_end(addr, end); > - stage2_flush_puds(kvm, pgd, addr, next); > + if (!stage2_pgd_none(*pgd)) > + stage2_flush_puds(kvm, pgd, addr, next); > } while (pgd++, addr = next, addr != end); > } > > -- > 2.13.6 >
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index 761787befd3b..e6548c85c495 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -375,7 +375,8 @@ static void stage2_flush_memslot(struct kvm *kvm, pgd = kvm->arch.pgd + stage2_pgd_index(addr); do { next = stage2_pgd_addr_end(addr, end); - stage2_flush_puds(kvm, pgd, addr, next); + if (!stage2_pgd_none(*pgd)) + stage2_flush_puds(kvm, pgd, addr, next); } while (pgd++, addr = next, addr != end); }
So far we have only supported 3 level page table with fixed IPA of 40bits. Fix stage2_flush_memslot() to accommodate for 4 level tables. Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Christoffer Dall <cdall@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- virt/kvm/arm/mmu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)