On Wed, May 29, 2024 at 4:43 AM Gonglei (Arei) wrote:
>
> Hi,
>
> > -Original Message-
> > From: Peter Xu [mailto:pet...@redhat.com]
> > Sent: Tuesday, May 28, 2024 11:55 PM
> > > > > Exactly, not so compelling, as I did it first only on servers
> > > > > widely used for production in our
Hi,
> -Original Message-
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Tuesday, May 28, 2024 11:55 PM
> > > > Exactly, not so compelling, as I did it first only on servers
> > > > widely used for production in our data center. The network
> > > > adapters are
> > > >
> > > > Ethernet
On 5/29/2024 2:06 AM, Richard Henderson wrote:
On 5/27/24 23:12, Jeuk Kim wrote:
From: Minwoo Im
This patch adds support for MCQ defined in UFSHCI 4.0. This patch
utilized the legacy I/O codes as much as possible to support MCQ.
MCQ operation & runtime register is placed at 0x1000 offset o
On 5/28/24 06:57, Vladimir Sementsov-Ogievskiy wrote:
The following changes since commit ad10b4badc1dd5b28305f9b9f1168cf0aa3ae946:
Merge tag 'pull-error-2024-05-27' ofhttps://repo.or.cz/qemu/armbru into
staging (2024-05-27 06:40:42 -0700)
are available in the Git repository at:
https:/
Hi Ilya
On 5/28/24 11:13 AM, Ilya Dryomov wrote:
On Mon, May 27, 2024 at 9:06 PM Jin Cao wrote:
Supplementary info: VM is paused after "migrate" command. After being
resumed with "cont", snapshot_delete_blkdev_internal works again, which
is confusing, as disk snapshot generally recommend I/O
On Mon, May 27, 2024 at 9:06 PM Jin Cao wrote:
>
> Supplementary info: VM is paused after "migrate" command. After being
> resumed with "cont", snapshot_delete_blkdev_internal works again, which
> is confusing, as disk snapshot generally recommend I/O is paused, and a
> frozen VM satisfy this requ
On 5/27/24 23:12, Jeuk Kim wrote:
From: Minwoo Im
This patch adds support for MCQ defined in UFSHCI 4.0. This patch
utilized the legacy I/O codes as much as possible to support MCQ.
MCQ operation & runtime register is placed at 0x1000 offset of UFSHCI
register statically with no spare space a
Am 25.04.2024 um 09:04 hat Prasad Pandit geschrieben:
> From: Prasad Pandit
>
> Libaio defines IO_CMD_FDSYNC command to sync all outstanding
> asynchronous I/O operations, by flushing out file data to the
> disk storage. Enable linux-aio to submit such aio request.
>
> When using aio=native with
Am 29.04.2024 um 16:19 hat Fiona Ebner geschrieben:
> rather than the uint32_t for which the maximum is slightly more than 4
> seconds and larger values would overflow. The QAPI interface allows
> specifying the number of seconds, so only values 0 to 4 are safe right
> now, other values lead to a m
Am 07.05.2024 um 20:05 hat Stefan Hajnoczi geschrieben:
> cvtnum() parses positive int64_t values and returns a negative errno on
> failure. Print errors and return early when cvtnum() fails.
>
> While we're at it, also reject nr_zones values greater or equal to 2^32
> since they cannot be represe
Am 30.04.2024 um 19:02 hat Denis V. Lunev via geschrieben:
> This parameter is always passed as 'false' from the caller.
>
> Signed-off-by: Denis V. Lunev
> CC: Andrey Zhadchenko
> CC: Kevin Wolf
> CC: Hanna Reitz
Let me add a "Since commit 72373e40fbc" to the commit message.
Thanks, applied
On Tue, May 28, 2024 at 09:06:04AM +, Gonglei (Arei) wrote:
> Hi Peter,
>
> > -Original Message-
> > From: Peter Xu [mailto:pet...@redhat.com]
> > Sent: Wednesday, May 22, 2024 6:15 AM
> > To: Yu Zhang
> > Cc: Michael Galaxy ; Jinpu Wang
> > ; Elmar Gerdes ;
> > zhengchuan ; Gonglei (
Am 06.05.2024 um 21:06 hat Stefan Hajnoczi geschrieben:
> This series fixes RHEL-34618 "qemu crash on Assertion `luringcb->co->ctx ==
> s->aio_context' failed when do block_resize on hotplug disk with
> aio=io_uring":
> https://issues.redhat.com/browse/RHEL-34618
>
> Kevin identified commit 1f25c
Am 28.05.2024 um 14:49 hat Vladimir Sementsov-Ogievskiy geschrieben:
> On 30.04.24 12:13, Vladimir Sementsov-Ogievskiy wrote:
> > We want to have similar QMP objects in different tests. Reworking these
> > objects to make common parts by calling some helper functions doesn't
> > seem good. It's a l
On 4/30/24 19:02, Denis V. Lunev wrote:
This parameter is always passed as 'false' from the caller.
Signed-off-by: Denis V. Lunev
CC: Andrey Zhadchenko
CC: Kevin Wolf
CC: Hanna Reitz
---
block/file-posix.c | 8 +++-
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/block/f
On 4/30/24 19:05, Denis V. Lunev wrote:
Preallocate filter allows to implement really interesting setups.
Assume that we have
* shared block device, f.e. iSCSI LUN, implemented with some HW device
* clustered LVM on top of it
* QCOW2 image stored inside LVM volume
This allows very cheap cluster
The following changes since commit ad10b4badc1dd5b28305f9b9f1168cf0aa3ae946:
Merge tag 'pull-error-2024-05-27' of https://repo.or.cz/qemu/armbru into
staging (2024-05-27 06:40:42 -0700)
are available in the Git repository at:
https://gitlab.com/vsementsov/qemu.git tags/pull-block-jobs-2024-
We want to have similar QMP objects in different tests. Reworking these
objects to make common parts by calling some helper functions doesn't
seem good. It's a lot more comfortable to see the whole QAPI request in
one place.
So, let's increase the limit, to unblock further commit
"iotests: add bac
On 30.04.24 12:13, Vladimir Sementsov-Ogievskiy wrote:
We want to have similar QMP objects in different tests. Reworking these
objects to make common parts by calling some helper functions doesn't
seem good. It's a lot more comfortable to see the whole QAPI request in
one place.
So, let's increa
On 28/5/24 12:38, Stefano Garzarella wrote:
`memory-backend-shm` can be used with vhost-user devices, so let's
add a new test case for it.
Acked-by: Thomas Huth
Acked-by: Stefan Hajnoczi
Reviewed-by: David Hildenbrand
Signed-off-by: Stefano Garzarella
---
tests/qtest/vhost-user-test.c | 23
In the context of backup fleecing, discarding the source will not work
when the fleecing image has a larger granularity than the one used for
block-copy operations (can happen if the backup target has smaller
cluster size), because cbw_co_pdiscard_snapshot() will align down the
discard requests and
In the context of backup fleecing, discarding the source will not work
when the fleecing image has a larger granularity than the one used for
block-copy operations (can happen if the backup target has smaller
cluster size), because cbw_co_pdiscard_snapshot() will align down the
discard requests and
Based-on:
https://lore.kernel.org/qemu-devel/20240429115157.2260885-1-vsement...@yandex-team.ru/
Discussion for v1:
https://lore.kernel.org/qemu-devel/20240308155158.830258-1-f.eb...@proxmox.com/
Changes in v2:
* Use 'size' type in QAPI.
* Remove option in cbw_parse_options(), i.e. before parsin
shm_open() creates and opens a new POSIX shared memory object.
A POSIX shared memory object allows creating memory backend with an
associated file descriptor that can be shared with external processes
(e.g. vhost-user).
The new `memory-backend-shm` can be used as an alternative when
`memory-backen
`memory-backend-memfd` is available only on Linux while the new
`memory-backend-shm` can be used on any POSIX-compliant operating
system. Let's use it so we can run the test in multiple environments.
Since we are here, let`s remove `share=on` which is the default for shm
(and also for memfd).
Ack
`memory-backend-shm` can be used with vhost-user devices, so let's
add a new test case for it.
Acked-by: Thomas Huth
Acked-by: Stefan Hajnoczi
Reviewed-by: David Hildenbrand
Signed-off-by: Stefano Garzarella
---
tests/qtest/vhost-user-test.c | 23 +++
1 file changed, 23 in
Let's make the code more portable by adding defines from
block/file-posix.c to support O_DIRECT in other systems (e.g. macOS).
vhost-user-server.c is a dependency, let's enable it for any POSIX
system.
Acked-by: Stefan Hajnoczi
Reviewed-by: Philippe Mathieu-Daudé
Tested-by: Philippe Mathieu-Dau
libvhost-user will panic when receiving VHOST_USER_GET_INFLIGHT_FD
message if MFD_ALLOW_SEALING is not defined, since it's not able
to create a memfd.
VHOST_USER_GET_INFLIGHT_FD is used only if
VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD is negotiated. So, let's mask
that feature if the backend is not ab
In vhost-user-server we set all fd received from the other peer
in non-blocking mode. For some of them (e.g. memfd, shm_open, etc.)
it's not really needed, because we don't use these fd with blocking
operations, but only to map memory.
In addition, in some systems this operation can fail (e.g. in
On macOS passing `-s /tmp/vhost.socket` parameter to the vhost-user-blk
application, the bind was done on `/tmp/vhost.socke` pathname,
missing the last character.
This sounds like one of the portability problems described in the
unix(7) manpage:
Pathname sockets
When binding a socket
The vhost-user protocol is not really Linux-specific so let's enable
libvhost-user for any POSIX system.
Compiling it on macOS and FreeBSD some problems came up:
- avoid to include linux/vhost.h which is available only on Linux
(vhost_types.h contains many of the things we need)
- macOS doesn't
Let's replace the calls to le*toh() and htole*() with qemu/bswap.h
helpers to make the code more portable.
Suggested-by: Philippe Mathieu-Daudé
Reviewed-by: Philippe Mathieu-Daudé
Tested-by: Philippe Mathieu-Daudé
Acked-by: Stefan Hajnoczi
Reviewed-by: David Hildenbrand
Signed-off-by: Stefano
On some OS (e.g. macOS) sendmsg() returns -1 (errno EINVAL) if
the `struct msghdr` has the field `msg_controllen` set to 0, but
`msg_control` is not NULL.
Reviewed-by: Eric Blake
Reviewed-by: David Hildenbrand
Reviewed-by: Philippe Mathieu-Daudé
Tested-by: Philippe Mathieu-Daudé
Acked-by: Stef
v1: https://patchew.org/QEMU/20240228114759.44758-1-sgarz...@redhat.com/
v2: https://patchew.org/QEMU/20240326133936.125332-1-sgarz...@redhat.com/
v3: https://patchew.org/QEMU/20240404122330.92710-1-sgarz...@redhat.com/
v4: https://patchew.org/QEMU/20240508074457.12367-1-sgarz...@redhat.com/
v5: ht
In vu_message_write() we use sendmsg() to send the message header,
then a write() to send the payload.
If sendmsg() fails we should avoid sending the payload, since we
were unable to send the header.
Discovered before fixing the issue with the previous patch, where
sendmsg() failed on macOS due t
The vhost-user protocol is not really Linux-specific so let's enable
vhost-user frontends for any POSIX system.
In vhost_net.c we use VHOST_FILE_UNBIND which is defined in a Linux
specific header, let's define it for other systems as well.
Reviewed-by: Philippe Mathieu-Daudé
Tested-by: Philippe
Hi Gonglei,
On Tue, May 28, 2024 at 11:06 AM Gonglei (Arei) wrote:
>
> Hi Peter,
>
> > -Original Message-
> > From: Peter Xu [mailto:pet...@redhat.com]
> > Sent: Wednesday, May 22, 2024 6:15 AM
> > To: Yu Zhang
> > Cc: Michael Galaxy ; Jinpu Wang
> > ; Elmar Gerdes ;
> > zhengchuan ; Gon
Hi Peter,
> -Original Message-
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Wednesday, May 22, 2024 6:15 AM
> To: Yu Zhang
> Cc: Michael Galaxy ; Jinpu Wang
> ; Elmar Gerdes ;
> zhengchuan ; Gonglei (Arei)
> ; Daniel P. Berrangé ;
> Markus Armbruster ; Zhijian Li (Fujitsu)
> ; qemu
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