On Thu, Aug 15, 2013 at 01:28:23PM +0900, Jonghwan Choi wrote: > From: Marc Zyngier <[email protected]> > > This patch looks like it should be in the 3.10-stable tree, should we apply > it?
Yes, please. Thanks. > > ------------------ > > From: "Marc Zyngier <[email protected]>" > > commit 479c5ae2f8a55509b691494cd13691d3dc31d102 upstream > > When performing a Stage-2 TLB invalidation, it is necessary to > make sure the write to the page tables is observable by all CPUs. > > For this purpose, add a dsb instruction to __kvm_tlb_flush_vmid_ipa > before doing the TLB invalidation itself. > > Cc: <[email protected]> # 3.10.x: 6a077e4a: ARM: KVM: perform > Signed-off-by: Marc Zyngier <[email protected]> > Signed-off-by: Christoffer Dall <[email protected]> > Signed-off-by: Jonghwan Choi <[email protected]> > --- > arch/arm/kvm/interrupts.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S > index bc7892ba1..ba904c0 100644 > --- a/arch/arm/kvm/interrupts.S > +++ b/arch/arm/kvm/interrupts.S > @@ -46,6 +46,7 @@ __kvm_hyp_code_start: > ENTRY(__kvm_tlb_flush_vmid) > push {r2, r3} > > + dsb ishst > add r0, r0, #KVM_VTTBR > ldrd r2, r3, [r0] > mcrr p15, 6, r2, r3, c2 @ Write VTTBR > -- > 1.8.1.2 > -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
