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authorSuzuki K Poulose <suzuki.poulose@arm.com>2018-09-26 17:32:38 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2018-10-01 13:08:41 +0100
commit7788a28062aca211979ecd2c334e06e2ef5281cc (patch)
tree3f407bfeb4c73f5f15924bde652cf41b8e1da298 /virt
parentd2db7773ba864df6b4e19643dfc54838550d8049 (diff)
downloadlinux-aarch64-7788a28062aca211979ecd2c334e06e2ef5281cc.tar.gz
kvm: arm/arm64: Remove spurious WARN_ON
On a 4-level page table pgd entry can be empty, unlike a 3-level page table. Remove the spurious WARN_ON() in stage_get_pud(). Acked-by: Christoffer Dall <cdall@kernel.org> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/arm/mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index ee7ce8fa4a12..4a285d760ce0 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -1005,7 +1005,7 @@ static pud_t *stage2_get_pud(struct kvm *kvm, struct kvm_mmu_memory_cache *cache
pud_t *pud;
pgd = kvm->arch.pgd + stage2_pgd_index(addr);
- if (WARN_ON(stage2_pgd_none(*pgd))) {
+ if (stage2_pgd_none(*pgd)) {
if (!cache)
return NULL;
pud = mmu_memory_cache_alloc(cache);