On Jun 23 23:18, Klaus Jensen wrote:
> From: Klaus Jensen
>
> This series includes a couple of misc fixes as well as some cleanup
> pertaining to the aio handling in flush, dsm, copy and zone reset. As
> Jinhao gets around to iothread stuff, it might come in handy to have
> this stuff cleaned up
From: Klaus Jensen
While testing Jinhaos ioeventfd patch I found it useful with a couple of
additional trace events since we no longer see the mmio events.
Signed-off-by: Klaus Jensen
---
hw/nvme/ctrl.c | 8
hw/nvme/trace-events | 4
2 files changed, 12 insertions(+)
diff
On Tue, 12 Jul 2022 at 19:10, Hanna Reitz wrote:
>
> The following changes since commit 9548cbed4253e38570d29b8cff0bf77c998f:
>
> iotests/copy-before-write: specify required_fmts (2022-07-12 13:21:02 +0530)
>
> are available in the Git repository at:
>
> https://gitlab.com/hreitz/qemu.git
On Wed, Jul 13, 2022 at 09:11:41PM +0200, Mauricio Sandt wrote:
> On 13/07/2022 20:48, Keith Busch wrote:
> > I guess I'm missing the bigger picture here. You are supposed to be able to
> > retrieve these fields with ioctl's, so not sure what this has to do with
> > malware. Why does the firmware
On 13/07/2022 20:48, Keith Busch wrote:
I guess I'm missing the bigger picture here. You are supposed to be able to
retrieve these fields with ioctl's, so not sure what this has to do with
malware. Why does the firmware revision matter to this program?
Oh I'm sorry, I forgot to explain
On Wed, Jul 13, 2022 at 08:06:26PM +0200, Mauricio Sandt wrote:
> My specific use case that required this patch is a piece of malware that used
> several IOCTLs to read model, firmware, and nqn from the NVMe attached to the
> VM. Modifying that info at the hypervisor level was a much better
I want to argue the other way around. Why shouldn't those values
be tunable by the user? You are right; if misconfigured, it could
potentially
break stuff on the driver side, but unless you manually set values for model
and firmware, the default is used (just like it is now), so this patch
On Sun, Jun 12, 2022 at 12:35:09AM +0200, Mauricio Sandt wrote:
> This small patch is the result of some recent malware research I did
> in a QEMU VM. The malware used multiple ways of querying info from
> the VM disk and I needed a clean way to change those values from the
> hypervisor.
>
> I
https://patchew.org/QEMU/20220611223509.32280-1-mauri...@mailbox.org/
https://lore.kernel.org/qemu-devel/20220611223509.32280-1-mauri...@mailbox.org/
On 12/06/2022 00:35, Mauricio Sandt wrote:
This small patch is the result of some recent malware research I did
in a QEMU VM. The malware used
On 08.07.22 06:17, Stefan Hajnoczi wrote:
The only implementor of bdrv_register_buf() is block/nvme.c, where the
size is not needed when unregistering a buffer. This is because
util/vfio-helpers.c can look up mappings by address.
Future block drivers that implement bdrv_register_buf() may not
On 08.07.22 06:17, Stefan Hajnoczi wrote:
libblkio (https://gitlab.com/libblkio/libblkio/) is a library for
high-performance disk I/O. It currently supports io_uring and
virtio-blk-vhost-vdpa with additional drivers under development.
One of the reasons for developing libblkio is that other
On Wed, Jul 13, 2022 at 07:12:17AM +0900, Damien Le Moal wrote:
> On 7/13/22 00:49, Stefan Hajnoczi wrote:
> > On Tue, Jul 12, 2022 at 10:13:37AM +0800, Sam Li wrote:
> >> @@ -1801,6 +1809,130 @@ static off_t copy_file_range(int in_fd, off_t
> >> *in_off, int out_fd,
> >> }
> >> #endif
> >>
>
On Wed, Jul 13, 2022 at 08:51:45AM +0800, Sam Li wrote:
> Stefan Hajnoczi 于2022年7月12日周二 23:49写道：
> >
> > On Tue, Jul 12, 2022 at 10:13:37AM +0800, Sam Li wrote:
> > > diff --git a/block/file-posix.c b/block/file-posix.c
> > > index 48cd096624..e7523ae2ed 100644
> > > --- a/block/file-posix.c
> >
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