From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40761) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vv839-0006OJ-Ry for qemu-devel@nongnu.org; Mon, 23 Dec 2013 11:08:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vv833-0000vP-QR for qemu-devel@nongnu.org; Mon, 23 Dec 2013 11:08:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:60351) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vv833-0000ut-JS for qemu-devel@nongnu.org; Mon, 23 Dec 2013 11:08:05 -0500 Date: Mon, 23 Dec 2013 18:12:00 +0200 From: "Michael S. Tsirkin" Message-ID: <1387815007-1272-11-git-send-email-mst@redhat.com> References: <1387815007-1272-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1387815007-1272-1-git-send-email-mst@redhat.com> Subject: [Qemu-devel] [PULL 10/19] acpi: ich9: allow guest to clear SCI rised by GPE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Igor Mammedov , Anthony Liguori From: Igor Mammedov it fixes IRQ storm since guest isn't able to lower SCI IRQ after it has been handled when it clears GPE event. Signed-off-by: Igor Mammedov Signed-off-by: Michael S. Tsirkin --- hw/acpi/ich9.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index dcdef7c..30f0df8 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -61,6 +61,7 @@ static void ich9_gpe_writeb(void *opaque, hwaddr addr, uint64_t val, { ICH9LPCPMRegs *pm = opaque; acpi_gpe_ioport_writeb(&pm->acpi_regs, addr, val); + acpi_update_sci(&pm->acpi_regs, pm->irq); } static const MemoryRegionOps ich9_gpe_ops = { -- MST