Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752851AbbGMJ7I (ORCPT ); Mon, 13 Jul 2015 05:59:08 -0400 Received: from mga03.intel.com ([134.134.136.65]:34120 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752739AbbGMJ7D (ORCPT ); Mon, 13 Jul 2015 05:59:03 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,462,1432623600"; d="scan'208";a="761364946" From: Feng Wu To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: pbonzini@redhat.com, alex.williamson@redhat.com, joro@8bytes.org, eric.auger@linaro.org, feng.wu@intel.com Subject: [v5 15/19] KVM: eventfd: add irq bypass consumer management Date: Mon, 13 Jul 2015 17:47:31 +0800 Message-Id: <1436780855-3617-16-git-send-email-feng.wu@intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1436780855-3617-1-git-send-email-feng.wu@intel.com> References: <1436780855-3617-1-git-send-email-feng.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1410 Lines: 51 From: Eric Auger This patch adds the registration/unregistration of an irq_bypass_consumer on irqfd assignment/deassignment. Signed-off-by: Eric Auger Signed-off-by: Feng Wu --- virt/kvm/eventfd.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index 647ffb8..4225eea 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -140,6 +141,7 @@ irqfd_shutdown(struct work_struct *work) /* * It is now safe to release the object's resources */ + irq_bypass_unregister_consumer(&irqfd->consumer); eventfd_ctx_put(irqfd->eventfd); kfree(irqfd); } @@ -380,6 +382,11 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args) */ fdput(f); + irqfd->consumer.token = (void *)irqfd->eventfd; + kvm_arch_irq_consumer_init(&irqfd->consumer); + ret = irq_bypass_register_consumer(&irqfd->consumer); + WARN_ON(ret); + return 0; fail: -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/