From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:42127) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UZKmw-0006G6-RU for qemu-devel@nongnu.org; Mon, 06 May 2013 08:45:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UZKmv-0006dJ-EZ for qemu-devel@nongnu.org; Mon, 06 May 2013 08:45:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:13618) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UZKmv-0006SN-66 for qemu-devel@nongnu.org; Mon, 06 May 2013 08:45:05 -0400 From: Gleb Natapov Date: Mon, 6 May 2013 15:44:43 +0300 Message-Id: <0c1cd0ae2a4faabeb948b9a07ea1696e853de174.1367844188.git.gleb@redhat.com> In-Reply-To: References: Subject: [Qemu-devel] [PATCH 1/1] kvmvapic: add ioport read accessor List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org From: Marcelo Tosatti Necessary since memory region accessor assumes read and write methods are registered. Otherwise reading I/O port 0x7e segfaults. https://bugzilla.redhat.com/show_bug.cgi?id=954306 Signed-off-by: Marcelo Tosatti Reviewed-by: Jan Kiszka Signed-off-by: Gleb Natapov --- hw/i386/kvmvapic.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c index 5b558aa..655483b 100644 --- a/hw/i386/kvmvapic.c +++ b/hw/i386/kvmvapic.c @@ -687,8 +687,14 @@ static void vapic_write(void *opaque, hwaddr addr, uint64_t data, } } +static uint64_t vapic_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0xffffffff; +} + static const MemoryRegionOps vapic_ops = { .write = vapic_write, + .read = vapic_read, .endianness = DEVICE_NATIVE_ENDIAN, }; -- 1.7.10.4