On Fri, 2014-08-01 at 16:12 +0800, Wanpeng Li wrote: > External interrupt will cause L1 vmexit w/ reason external interrupt when L2 > is > running. Then L1 will pick up the interrupt through vmcs12 if L1 set the ack > interrupt bit. Commit 77b0f5d (KVM: nVMX: Ack and write vector info to > intr_info > if L1 asks us to)
So being that 77b0f5d is in 3.15, we need it for -stable. > get intr that belongs to L1 before load vmcs01 which is wrong, > especially this lead to the obvious L1 ack APICv behavior weired since APICv > is for L1 instead of L2. This patch fix it by ack intr after load vmcs01. > > Signed-off-by: Wanpeng Li <wanpeng...@linux.intel.com> It strikes me that this fixes Felipe's issue: http://paste.opensuse.org/view/raw/78752586 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/