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[Qemu-devel] [PATCH v3 05/20] kvm: arm/arm64: Fix stage2_flush_memslot f
From: |
Suzuki K Poulose |
Subject: |
[Qemu-devel] [PATCH v3 05/20] kvm: arm/arm64: Fix stage2_flush_memslot for 4 level page table |
Date: |
Fri, 29 Jun 2018 12:15:25 +0100 |
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 <address@hidden>
Acked-by: Christoffer Dall <address@hidden>
Signed-off-by: Suzuki K Poulose <address@hidden>
---
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 1d90d79..061e6b3 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -379,7 +379,8 @@ 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);
}
--
2.7.4
- [Qemu-devel] [PATCH v3 00/20] arm64: Dynamic & 52bit IPA support, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 01/20] virtio: mmio-v1: Validate queue PFN, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 02/20] virtio: pci-legacy: Validate queue pfn, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 03/20] arm64: Add a helper for PARange to physical shift conversion, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 04/20] kvm: arm64: Clean up VTCR_EL2 initialisation, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 05/20] kvm: arm/arm64: Fix stage2_flush_memslot for 4 level page table,
Suzuki K Poulose <=
- [Qemu-devel] [PATCH v3 06/20] kvm: arm/arm64: Remove spurious WARN_ON, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 07/20] kvm: arm/arm64: Prepare for VM specific stage2 translations, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 08/20] kvm: arm/arm64: Abstract stage2 pgd table allocation, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 10/20] kvm: arm64: Dynamic configuration of VTTBR mask, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 09/20] kvm: arm64: Make stage2 page table layout dynamic, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 11/20] kvm: arm64: Helper for computing VTCR_EL2.SL0, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 12/20] kvm: arm64: Add helper for loading the stage2 setting for a VM, Suzuki K Poulose, 2018/06/29
- [Qemu-devel] [PATCH v3 14/20] kvm: arm/arm64: Expose supported physical address limit for VM, Suzuki K Poulose, 2018/06/29