On Sun, Apr 21, 2013 at 04:03:46PM +0300, Gleb Natapov wrote: > On Tue, Apr 16, 2013 at 02:32:38PM +0800, Xiao Guangrong wrote: > > This patchset is based on my previous two patchset: > > [PATCH 0/2] KVM: x86: avoid potential soft lockup and unneeded mmu reload > > (https://lkml.org/lkml/2013/4/1/2) > > > > [PATCH v2 0/6] KVM: MMU: fast invalid all mmio sptes > > (https://lkml.org/lkml/2013/4/1/134) > > > > Changlog: > > V3: > > completely redesign the algorithm, please see below. > > > This looks pretty complicated. Is it still needed in order to avoid soft > lockups after "avoid potential soft lockup and unneeded mmu reload" patch? Do not want kvm_set_memory (cases: DELETE/MOVE/CREATES) to be suspectible to: vcpu 1 | kvm_set_memory create shadow page nuke shadow page create shadow page nuke shadow page Which is guest triggerable behavior with spinlock preemption algorithm. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html