diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-09-26 17:32:38 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2018-10-01 13:08:41 +0100 |
| commit | 7788a28062aca211979ecd2c334e06e2ef5281cc (patch) | |
| tree | 3f407bfeb4c73f5f15924bde652cf41b8e1da298 /virt | |
| parent | d2db7773ba864df6b4e19643dfc54838550d8049 (diff) | |
| download | linux-7788a28062aca211979ecd2c334e06e2ef5281cc.tar.gz linux-7788a28062aca211979ecd2c334e06e2ef5281cc.tar.bz2 linux-7788a28062aca211979ecd2c334e06e2ef5281cc.zip | |
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.c | 2 |
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); |