From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760214AbYDBSly (ORCPT ); Wed, 2 Apr 2008 14:41:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758283AbYDBSfv (ORCPT ); Wed, 2 Apr 2008 14:35:51 -0400 Received: from 21.sub-75-208-3.myvzw.com ([75.208.3.21]:38418 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757408AbYDBSfn (ORCPT ); Wed, 2 Apr 2008 14:35:43 -0400 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [PATCH 08 of 24] Re: [PATCH 08/12] xen: add resend_irq_on_evtchn() definition into events.c X-Mercurial-Node: ebc72e5a71941280fe996a619e51f9f06fcd3e7c Message-Id: In-Reply-To: Date: Wed, 02 Apr 2008 10:53:57 -0700 From: Jeremy Fitzhardinge To: Ingo Molnar Cc: LKML , Isaku Yamahata Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Isaku Yamahata Define resend_irq_on_evtchn() which ia64/xen uses. Although it isn't used by current x86/xen code, it's arch generic so that put it into common code. Signed-off-by: Isaku Yamahata Signed-off-by: Jeremy Fitzhardinge --- drivers/xen/events.c | 16 ++++++++++++++++ include/xen/events.h | 3 +-- 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/xen/events.c b/drivers/xen/events.c --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -586,6 +586,22 @@ rebind_irq_to_cpu(irq, tcpu); } +int resend_irq_on_evtchn(unsigned int irq) +{ + int masked, evtchn = evtchn_from_irq(irq); + struct shared_info *s = HYPERVISOR_shared_info; + + if (!VALID_EVTCHN(evtchn)) + return 1; + + masked = sync_test_and_set_bit(evtchn, s->evtchn_mask); + sync_set_bit(evtchn, s->evtchn_pending); + if (!masked) + unmask_evtchn(evtchn); + + return 1; +} + static void enable_dynirq(unsigned int irq) { int evtchn = evtchn_from_irq(irq); diff --git a/include/xen/events.h b/include/xen/events.h --- a/include/xen/events.h +++ b/include/xen/events.h @@ -31,6 +31,7 @@ void unbind_from_irqhandler(unsigned int irq, void *dev_id); void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector); +int resend_irq_on_evtchn(unsigned int irq); static inline void notify_remote_via_evtchn(int port) {