From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55568) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cCIWI-00077R-5g for qemu-devel@nongnu.org; Wed, 30 Nov 2016 22:58:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cCIWH-0004OI-JF for qemu-devel@nongnu.org; Wed, 30 Nov 2016 22:58:50 -0500 Received: from mail.kernel.org ([198.145.29.136]:58468) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cCIWH-0004Nq-EC for qemu-devel@nongnu.org; Wed, 30 Nov 2016 22:58:49 -0500 Date: Thu, 1 Dec 2016 05:58:45 +0200 From: "Michael S. Tsirkin" Message-ID: <1480564455-23933-3-git-send-email-mst@redhat.com> References: <1480564455-23933-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1480564455-23933-1-git-send-email-mst@redhat.com> Subject: [Qemu-devel] [PULL 2/5] intel_iommu: fix incorrect device invalidate List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Stefan Hajnoczi , Peter Xu , Paolo Bonzini , Richard Henderson , Eduardo Habkost From: Peter Xu "mask" needs to be inverted before use. Signed-off-by: Peter Xu Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/intel_iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 1b706ad..5f3e351 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -988,6 +988,7 @@ static void vtd_context_device_invalidate(IntelIOMMUState *s, mask = 7; /* Mask bit 2:0 in the SID field */ break; } + mask = ~mask; VTD_DPRINTF(INV, "device-selective invalidation source 0x%"PRIx16 " mask %"PRIu16, source_id, mask); vtd_bus = vtd_find_as_from_bus_num(s, VTD_SID_TO_BUS(source_id)); -- MST