From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>, Fam Zheng <famz@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Amit Shah <amit.shah@redhat.com>,
qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>,
virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] [PATCH 00/18] virtio-blk: Support "VIRTIO_CONFIG_S_NEEDS_RESET"
Date: Mon, 20 Apr 2015 21:10:02 +0200 [thread overview]
Message-ID: <55354F0A.5080809@redhat.com> (raw)
In-Reply-To: <20150420175905-mutt-send-email-mst@redhat.com>
On 20/04/2015 19:36, Michael S. Tsirkin wrote:
> At the implementation level, there's one big issue you seem to have
> missed: DMA to invalid memory addresses causes a crash in memory core.
> I'm not sure whether it makes sense to recover from virtio core bugs
> when we can't recover from device bugs.
What do you mean exactly? DMA to invalid memory addresses causes
address_space_map to return a "short read".
Paolo
next prev parent reply other threads:[~2015-04-20 19:15 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-17 7:59 [Qemu-devel] [PATCH 00/18] virtio-blk: Support "VIRTIO_CONFIG_S_NEEDS_RESET" Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 01/18] virtio: Return error from virtqueue_map_sg Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 02/18] virtio: Return error from virtqueue_num_heads Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 03/18] virtio: Return error from virtqueue_get_head Fam Zheng
2015-04-21 6:27 ` Michael S. Tsirkin
2015-04-17 7:59 ` [Qemu-devel] [PATCH 04/18] virtio: Return error from virtqueue_next_desc Fam Zheng
2015-04-21 6:37 ` Michael S. Tsirkin
2015-04-21 7:30 ` Fam Zheng
2015-04-21 9:56 ` Michael S. Tsirkin
2015-04-17 7:59 ` [Qemu-devel] [PATCH 05/18] virtio: Return error from virtqueue_get_avail_bytes Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 06/18] virtio: Return error from virtqueue_pop Fam Zheng
2015-04-21 6:49 ` Michael S. Tsirkin
2015-04-21 7:24 ` Fam Zheng
2015-04-21 9:51 ` Michael S. Tsirkin
2015-04-17 7:59 ` [Qemu-devel] [PATCH 07/18] virtio: Return error from virtqueue_avail_bytes Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 08/18] virtio: Return error from virtio_add_queue Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 09/18] virtio: Return error from virtio_del_queue Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 10/18] virtio: Add macro for VIRTIO_CONFIG_S_NEEDS_RESET Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 11/18] virtio: Add "needs_reset" flag to virtio device Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 12/18] virtio: Return -EINVAL if the vdev needs reset in virtqueue_pop Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 13/18] virtio-blk: Graceful error handling of virtqueue_pop Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 14/18] qtest: Add "QTEST_FILTER" to filter test cases Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 15/18] qtest: virtio-blk: Extract "setup" for future reuse Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 16/18] libqos: Add qvirtio_needs_reset Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 17/18] qtest: Add test case for "needs reset" of virtio-blk Fam Zheng
2015-04-17 7:59 ` [Qemu-devel] [PATCH 18/18] qtest: virtio-blk: Suppress virtio error messages in "make check" Fam Zheng
2015-04-20 15:13 ` [Qemu-devel] [PATCH 00/18] virtio-blk: Support "VIRTIO_CONFIG_S_NEEDS_RESET" Cornelia Huck
2015-04-21 7:44 ` Fam Zheng
2015-04-21 8:04 ` Cornelia Huck
2015-04-21 8:38 ` Fam Zheng
2015-04-21 9:08 ` Cornelia Huck
2015-04-21 9:16 ` Fam Zheng
2015-04-21 9:55 ` Cornelia Huck
2015-04-21 9:59 ` Michael S. Tsirkin
2015-04-20 17:36 ` Michael S. Tsirkin
2015-04-20 19:10 ` Paolo Bonzini [this message]
2015-04-20 20:34 ` Michael S. Tsirkin
2015-04-21 2:39 ` Fam Zheng
2015-04-21 6:52 ` Paolo Bonzini
2015-04-21 6:58 ` Michael S. Tsirkin
2015-04-21 2:37 ` Fam Zheng
2015-04-21 5:22 ` Michael S. Tsirkin
2015-04-21 5:50 ` Fam Zheng
2015-04-21 6:09 ` Michael S. Tsirkin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=55354F0A.5080809@redhat.com \
--to=pbonzini@redhat.com \
--cc=amit.shah@redhat.com \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=famz@redhat.com \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@redhat.com \
--cc=virtualization@lists.linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).