[Qemu-devel] [PULL for-3.0 0/1] Block patches
[libvirt] [PULL 0/3] Block patches
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The following changes since commit 768cef2974fb1fa30dd188b043ea737e13fea477:
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The following changes since commit aceeaa69d28e6f08a24395d0aa6915b687d0a681:
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging (2018-07-24 10:37:52 +0100)
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2019-12-17' into staging (2019-12-17 15:55:20 +0000)
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are available in the Git repository at:
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are available in the Git repository at:
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git://github.com/stefanha/qemu.git tags/block-pull-request
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https://github.com/stefanha/qemu.git tags/block-pull-request
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for you to fetch changes up to 042b757cc77c9580b99ef2781cfb0a2d1bf495a6:
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for you to fetch changes up to 725fe5d10dbd4259b1853b7d253cef83a3c0d22a:
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block/file-posix: add bdrv_attach_aio_context callback for host dev and cdrom (2018-07-24 14:27:41 +0100)
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virtio-blk: fix out-of-bounds access to bitmap in notify_guest_bh (2019-12-19 16:20:25 +0000)
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----------------------------------------------------------------
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----------------------------------------------------------------
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Pull request
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Pull request
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Regression fix for host block devices with the file-posix driver when aio=native is in use.
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----------------------------------------------------------------
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----------------------------------------------------------------
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Nishanth Aravamudan (1):
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Li Hangjing (1):
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block/file-posix: add bdrv_attach_aio_context callback for host dev
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virtio-blk: fix out-of-bounds access to bitmap in notify_guest_bh
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and cdrom
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block/file-posix.c | 3 +++
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Stefan Hajnoczi (2):
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1 file changed, 3 insertions(+)
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virtio-blk: deprecate SCSI passthrough
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docs: fix rst syntax errors in unbuilt docs
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docs/arm-cpu-features.rst | 6 +++---
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docs/virtio-net-failover.rst | 4 ++--
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docs/virtio-pmem.rst | 19 ++++++++++---------
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hw/block/dataplane/virtio-blk.c | 2 +-
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qemu-deprecated.texi | 11 +++++++++++
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5 files changed, 27 insertions(+), 15 deletions(-)
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--
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--
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2.17.1
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2.23.0
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--
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libvir-list mailing list
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libvir-list@redhat.com
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https://www.redhat.com/mailman/listinfo/libvir-list
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diff view generated by jsdifflib
New patch
[libvirt] [PULL 1/3] virtio-blk: deprecate SCSI passthrough
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The Linux virtio_blk.ko guest driver is removing legacy SCSI passthrough
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support. Deprecate this feature in QEMU too.
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Christoph Hellwig <hch@lst.de>
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Message-id: 20191213144626.1208237-1-stefanha@redhat.com
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Message-Id: <20191213144626.1208237-1-stefanha@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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---
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qemu-deprecated.texi | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
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index XXXXXXX..XXXXXXX 100644
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--- a/qemu-deprecated.texi
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+++ b/qemu-deprecated.texi
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@@ -XXX,XX +XXX,XX @@ spec you can use the ``-cpu rv64gcsu,priv_spec=v1.9.1`` command line argument.
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@section Device options
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+@subsection Emulated device options
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+
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+@subsubsection -device virtio-blk,scsi=on|off (since 5.0.0)
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+
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+The virtio-blk SCSI passthrough feature is a legacy VIRTIO feature. VIRTIO 1.0
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+and later do not support it because the virtio-scsi device was introduced for
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+full SCSI support. Use virtio-scsi instead when SCSI passthrough is required.
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+
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+Note this also applies to ``-device virtio-blk-pci,scsi=on|off'', which is an
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+alias.
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+
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@subsection Block device options
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@subsubsection "backing": "" (since 2.12.0)
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--
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2.23.0
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--
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libvir-list mailing list
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libvir-list@redhat.com
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https://www.redhat.com/mailman/listinfo/libvir-list
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diff view generated by jsdifflib
New patch
[libvirt] [PULL 2/3] docs: fix rst syntax errors in unbuilt docs
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The .rst files outside docs/{devel,interop,specs} aren't built yet and
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therefore a few syntax errors have slipped through. Fix them.
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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Message-Id: <20191111094411.427174-1-stefanha@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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---
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docs/arm-cpu-features.rst | 6 +++---
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docs/virtio-net-failover.rst | 4 ++--
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docs/virtio-pmem.rst | 19 ++++++++++---------
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3 files changed, 15 insertions(+), 14 deletions(-)
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diff --git a/docs/arm-cpu-features.rst b/docs/arm-cpu-features.rst
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index XXXXXXX..XXXXXXX 100644
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--- a/docs/arm-cpu-features.rst
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+++ b/docs/arm-cpu-features.rst
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@@ -XXX,XX +XXX,XX @@ CPU type is possible with the `query-cpu-model-expansion` QMP command.
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Below are some examples where `scripts/qmp/qmp-shell` (see the top comment
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block in the script for usage) is used to issue the QMP commands.
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-(1) Determine which CPU features are available for the `max` CPU type
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- (Note, we started QEMU with qemu-system-aarch64, so `max` is
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- implementing the ARMv8-A reference manual in this case)::
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+1. Determine which CPU features are available for the `max` CPU type
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+ (Note, we started QEMU with qemu-system-aarch64, so `max` is
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+ implementing the ARMv8-A reference manual in this case)::
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(QEMU) query-cpu-model-expansion type=full model={"name":"max"}
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{ "return": {
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diff --git a/docs/virtio-net-failover.rst b/docs/virtio-net-failover.rst
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index XXXXXXX..XXXXXXX 100644
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--- a/docs/virtio-net-failover.rst
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+++ b/docs/virtio-net-failover.rst
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@@ -XXX,XX +XXX,XX @@
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-========================
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+======================================
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QEMU virtio-net standby (net_failover)
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-========================
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+======================================
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This document explains the setup and usage of virtio-net standby feature which
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is used to create a net_failover pair of devices.
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diff --git a/docs/virtio-pmem.rst b/docs/virtio-pmem.rst
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index XXXXXXX..XXXXXXX 100644
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--- a/docs/virtio-pmem.rst
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+++ b/docs/virtio-pmem.rst
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@@ -XXX,XX +XXX,XX @@ virtio pmem usage
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-----------------
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A virtio pmem device backed by a memory-backend-file can be created on
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- the QEMU command line as in the following example:
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+ the QEMU command line as in the following example::
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- -object memory-backend-file,id=mem1,share,mem-path=./virtio_pmem.img,size=4G
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- -device virtio-pmem-pci,memdev=mem1,id=nv1
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+ -object memory-backend-file,id=mem1,share,mem-path=./virtio_pmem.img,size=4G
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+ -device virtio-pmem-pci,memdev=mem1,id=nv1
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- where:
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- - "object memory-backend-file,id=mem1,share,mem-path=<image>, size=<image size>"
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- creates a backend file with the specified size.
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+ where:
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- - "device virtio-pmem-pci,id=nvdimm1,memdev=mem1" creates a virtio pmem
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- pci device whose storage is provided by above memory backend device.
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+ - "object memory-backend-file,id=mem1,share,mem-path=<image>, size=<image size>"
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+ creates a backend file with the specified size.
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+
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+ - "device virtio-pmem-pci,id=nvdimm1,memdev=mem1" creates a virtio pmem
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+ pci device whose storage is provided by above memory backend device.
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Multiple virtio pmem devices can be created if multiple pairs of "-object"
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and "-device" are provided.
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@@ -XXX,XX +XXX,XX @@ memory backing has to be added via 'object_add'; afterwards, the virtio
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pmem device can be added via 'device_add'.
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For example, the following commands add another 4GB virtio pmem device to
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-the guest:
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+the guest::
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(qemu) object_add memory-backend-file,id=mem2,share=on,mem-path=virtio_pmem2.img,size=4G
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(qemu) device_add virtio-pmem-pci,id=virtio_pmem2,memdev=mem2
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--
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2.23.0
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--
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libvir-list mailing list
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libvir-list@redhat.com
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https://www.redhat.com/mailman/listinfo/libvir-list
diff view generated by jsdifflib
[Qemu-devel] [PULL for-3.0 1/1] block/file-posix: add bdrv_attach_aio_context callback for host dev and cdrom
[libvirt] [PULL 3/3] virtio-blk: fix out-of-bounds access to bitmap in notify_guest_bh
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From: Nishanth Aravamudan <naravamudan@digitalocean.com>
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From: Li Hangjing <lihangjing@baidu.com>
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In ed6e2161 ("linux-aio: properly bubble up errors from initialzation"),
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When the number of a virtio-blk device's virtqueues is larger than
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I only added a bdrv_attach_aio_context callback for the bdrv_file
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BITS_PER_LONG, the out-of-bounds access to bitmap[ ] will occur.
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driver. There are several other drivers that use the shared
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aio_plug callback, though, and they will trip the assertion added to
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aio_get_linux_aio because they did not call aio_setup_linux_aio first.
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Add the appropriate callback definition to the affected driver
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definitions.
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Fixes: ed6e2161 ("linux-aio: properly bubble up errors from initialization")
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Fixes: e21737ab15 ("virtio-blk: multiqueue batch notify")
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Reported-by: Farhan Ali <alifm@linux.ibm.com>
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Nishanth Aravamudan <naravamudan@digitalocean.com>
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Reviewed-by: John Snow <jsnow@redhat.com>
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Message-id: 20180718211256.29774-1-naravamudan@digitalocean.com
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Cc: Eric Blake <eblake@redhat.com>
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Cc: Kevin Wolf <kwolf@redhat.com>
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Cc: John Snow <jsnow@redhat.com>
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Cc: Max Reitz <mreitz@redhat.com>
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Cc: Stefan Hajnoczi <stefanha@redhat.com>
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Cc: Stefan Hajnoczi <stefanha@redhat.com>
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Cc: Fam Zheng <famz@redhat.com>
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Signed-off-by: Li Hangjing <lihangjing@baidu.com>
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Cc: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Xie Yongji <xieyongji@baidu.com>
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Cc: qemu-block@nongnu.org
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Reviewed-by: Chai Wen <chaiwen@baidu.com>
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Cc: qemu-devel@nongnu.org
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Message-id: 20191216023050.48620-1-lihangjing@baidu.com
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Message-Id: <20191216023050.48620-1-lihangjing@baidu.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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---
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---
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block/file-posix.c | 3 +++
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hw/block/dataplane/virtio-blk.c | 2 +-
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1 file changed, 3 insertions(+)
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/block/file-posix.c b/block/file-posix.c
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diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
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index XXXXXXX..XXXXXXX 100644
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index XXXXXXX..XXXXXXX 100644
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--- a/block/file-posix.c
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--- a/hw/block/dataplane/virtio-blk.c
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+++ b/block/file-posix.c
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+++ b/hw/block/dataplane/virtio-blk.c
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@@ -XXX,XX +XXX,XX @@ static BlockDriver bdrv_host_device = {
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@@ -XXX,XX +XXX,XX @@ static void notify_guest_bh(void *opaque)
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.bdrv_refresh_limits = raw_refresh_limits,
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memset(s->batch_notify_vqs, 0, sizeof(bitmap));
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.bdrv_io_plug = raw_aio_plug,
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.bdrv_io_unplug = raw_aio_unplug,
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for (j = 0; j < nvqs; j += BITS_PER_LONG) {
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+ .bdrv_attach_aio_context = raw_aio_attach_aio_context,
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- unsigned long bits = bitmap[j];
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+ unsigned long bits = bitmap[j / BITS_PER_LONG];
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_getlength    = raw_getlength,
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while (bits != 0) {
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@@ -XXX,XX +XXX,XX @@ static BlockDriver bdrv_host_cdrom = {
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unsigned i = j + ctzl(bits);
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.bdrv_refresh_limits = raw_refresh_limits,
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.bdrv_io_plug = raw_aio_plug,
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.bdrv_io_unplug = raw_aio_unplug,
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+ .bdrv_attach_aio_context = raw_aio_attach_aio_context,
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_getlength = raw_getlength,
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@@ -XXX,XX +XXX,XX @@ static BlockDriver bdrv_host_cdrom = {
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.bdrv_refresh_limits = raw_refresh_limits,
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.bdrv_io_plug = raw_aio_plug,
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.bdrv_io_unplug = raw_aio_unplug,
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+ .bdrv_attach_aio_context = raw_aio_attach_aio_context,
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_getlength = raw_getlength,
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--
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--
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2.17.1
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2.23.0
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34
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--
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libvir-list mailing list
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libvir-list@redhat.com
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https://www.redhat.com/mailman/listinfo/libvir-list
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Patchew 2.1-devel-b67e4c2

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