From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
Stefan Hajnoczi <stefanha@gmail.com>,
qemu-devel@nongnu.org, Blue Swirl <blauwirbel@gmail.com>,
khoa@us.ibm.com, Stefan Hajnoczi <stefanha@redhat.com>,
Asias He <asias@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v4 03/11] dataplane: add host memory mapping code
Date: Thu, 29 Nov 2012 10:26:22 -0500 (EST) [thread overview]
Message-ID: <364632493.16253654.1354202782863.JavaMail.root@redhat.com> (raw)
In-Reply-To: <20121129143608.GB10665@redhat.com>
> > I don't understand. If memory in the VGA region returns true from
> > memory_region_is_ram(), why would there be a problem?
>
> If you change this memory but you don't update the display.
> Never happens with non buggy guests but we should catch and fail if
> it does.
Actually it _could_ happen with an MS-DOS guest that does the oh-so-retro
DEF SEG=&HB800
BLOAD "file.pic", 0
(I think).
Paolo
next prev parent reply other threads:[~2012-11-29 15:26 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-22 15:16 [Qemu-devel] [PATCH v4 00/11] virtio: virtio-blk data plane Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 01/11] raw-posix: add raw_get_aio_fd() for virtio-blk-data-plane Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 02/11] configure: add CONFIG_VIRTIO_BLK_DATA_PLANE Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 03/11] dataplane: add host memory mapping code Stefan Hajnoczi
2012-11-29 12:33 ` Michael S. Tsirkin
2012-11-29 12:45 ` Stefan Hajnoczi
2012-11-29 12:54 ` Michael S. Tsirkin
2012-11-29 12:57 ` Michael S. Tsirkin
2012-12-05 8:13 ` Stefan Hajnoczi
2012-11-29 13:54 ` Michael S. Tsirkin
2012-11-29 14:26 ` Stefan Hajnoczi
2012-11-29 14:36 ` Michael S. Tsirkin
2012-11-29 15:26 ` Paolo Bonzini [this message]
2012-12-05 8:31 ` Stefan Hajnoczi
2012-12-05 11:22 ` Michael S. Tsirkin
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 04/11] dataplane: add virtqueue vring code Stefan Hajnoczi
2012-11-29 12:50 ` Michael S. Tsirkin
2012-11-29 15:17 ` Paolo Bonzini
2012-12-05 12:57 ` Stefan Hajnoczi
2012-11-29 13:48 ` Michael S. Tsirkin
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 05/11] dataplane: add event loop Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 06/11] dataplane: add Linux AIO request queue Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 07/11] iov: add iov_discard() to remove data Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 08/11] test-iov: add iov_discard() testcase Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 09/11] iov: add qemu_iovec_concat_iov() Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 10/11] dataplane: add virtio-blk data plane code Stefan Hajnoczi
2012-11-29 13:41 ` Michael S. Tsirkin
2012-11-29 14:02 ` Michael S. Tsirkin
2012-11-29 15:21 ` Paolo Bonzini
2012-11-29 15:27 ` Michael S. Tsirkin
2012-11-29 15:47 ` Paolo Bonzini
2012-11-30 13:57 ` Stefan Hajnoczi
2012-11-22 15:16 ` [Qemu-devel] [PATCH v4 11/11] virtio-blk: add x-data-plane=on|off performance feature Stefan Hajnoczi
2012-11-29 13:12 ` Michael S. Tsirkin
2012-11-29 14:45 ` Stefan Hajnoczi
2012-11-29 14:55 ` Michael S. Tsirkin
2012-12-04 11:20 ` Michael S. Tsirkin
2012-12-04 14:19 ` Stefan Hajnoczi
2012-11-29 9:18 ` [Qemu-devel] [PATCH v4 00/11] virtio: virtio-blk data plane Stefan Hajnoczi
2012-11-29 12:03 ` Paolo Bonzini
2012-11-29 14:09 ` Michael S. Tsirkin
2012-11-29 14:48 ` Stefan Hajnoczi
2012-11-29 15:19 ` Michael S. Tsirkin
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