From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: Re: [PATCH v10 0/7] Use eoi to track RTC interrupt delivery status Date: Mon, 15 Apr 2013 23:21:31 -0300 Message-ID: <20130416022131.GA365@amt.cnet> References: <1365679301-13044-1-git-send-email-yang.z.zhang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org, pbonzini@redhat.com, gleb@redhat.com, xiantao.zhang@intel.com To: Yang Zhang Return-path: Received: from mx1.redhat.com ([209.132.183.28]:29892 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935206Ab3DPCaX (ORCPT ); Mon, 15 Apr 2013 22:30:23 -0400 Content-Disposition: inline In-Reply-To: <1365679301-13044-1-git-send-email-yang.z.zhang@intel.com> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, Apr 11, 2013 at 07:21:34PM +0800, Yang Zhang wrote: > From: Yang Zhang > > Current interrupt coalescing logci which only used by RTC has conflict > with Posted Interrupt. > > This patch introduces a new mechinism to use eoi to track interrupt: > When delivering an interrupt to vcpu, the pending_eoi set to number of > vcpu that received the interrupt. And decrease it when each vcpu writing > eoi. No subsequent RTC interrupt can deliver to vcpu until all vcpus > write eoi. > > Changes from v9 to v10 > * Remove irq check and line_status check from rtc_irq_check_coalesced() to > kvm_ioapic_set_irq(). > * Rebase on top of KVM. > > Changes from v8 to v9 > * Removing pass vector to __rtc_irq_eoi_tracking_restore_one. > * Rebase on top of KVM. > > Changes from v7 to v8 > * Revamping restore logic. > * Add BUG_ON to check pending_eoi. > * Rebase on top of KVM. > > Yang Zhang (7): > KVM: Add vcpu info to ioapic_update_eoi() > KVM: Introduce struct rtc_status > KVM: Return destination vcpu on interrupt injection > KVM: Add reset/restore rtc_status support > KVM: Force vmexit with virtual interrupt delivery > KVM: Let ioapic know the irq line status > KVM: Use eoi to track RTC interrupt delivery status Applied, thanks.