From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Thu, 8 Feb 2018 12:00:52 +0100 Subject: [PATCH v1 07/16] kvm: arm/arm64: Remove spurious WARN_ON In-Reply-To: <20180109190414.4017-8-suzuki.poulose@arm.com> References: <20180109190414.4017-1-suzuki.poulose@arm.com> <20180109190414.4017-8-suzuki.poulose@arm.com> Message-ID: <20180208110052.GJ29286@cbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Jan 09, 2018 at 07:04:02PM +0000, Suzuki K Poulose wrote: > 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 > > Cc: Marc Zyngier > Cc: Christoffer Dall > Signed-off-by: Suzuki K Poulose > --- > virt/kvm/arm/mmu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c > index e6548c85c495..78253fe00fc4 100644 > --- a/virt/kvm/arm/mmu.c > +++ b/virt/kvm/arm/mmu.c > @@ -870,7 +870,7 @@ 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); > -- > 2.13.6 >