similar to: [PATCH 1/2] virtio/s390: avoid race on vcdev->config

On Mon, 24 Sep 2018 16:27:30 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On 09/24/2018 02:55 PM, Cornelia Huck wrote: > > On Fri, 21 Sep 2018 17:47:47 -0400 > > Farhan Ali <alifm at linux.ibm.com> wrote: > > > >> On 09/21/2018 09:28 AM, Halil Pasic wrote: > > > >>> Anyway I'm fine with swapping the old out and your

On Wed, 19 Sep 2018 00:52:14 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On 09/18/2018 08:29 PM, Cornelia Huck wrote: > > On Wed, 12 Sep 2018 16:02:01 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > >> Currently we have a race on vcdev->config in virtio_ccw_get_config() and > >> in virtio_ccw_set_config(). > >>

On Wed, 12 Sep 2018 16:02:01 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > Currently we have a race on vcdev->config in virtio_ccw_get_config() and > in virtio_ccw_set_config(). > > This normally does not cause problems, as these are usually infrequent > operations. But occasionally sysfs attributes are directly dependent on > pieces of virio config and trigger a

> Subject: [PATCH 04/10] s390/mm: force swiotlb for protected virtualization > Date: Fri, 26 Apr 2019 20:32:39 +0200 > From: Halil Pasic <pasic at linux.ibm.com> > To: kvm at vger.kernel.org, linux-s390 at vger.kernel.org, Cornelia Huck <cohuck at redhat.com>, > Martin Schwidefsky <schwidefsky at de.ibm.com>, Sebastian Ott <sebott at linux.ibm.com> > CC:

On Wed, 12 Sep 2018 16:02:02 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > While ccw_io_helper() seems like intended to be exclusive in a sense that > it is supposed to facilitate I/O for at most one thread at any given > time, there is actually nothing ensuring that threads won't pile up at > vcdev->wait_q. If they all threads get woken up and see the status that

On Mon, 27 May 2019 13:57:06 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Mon, 27 May 2019 13:00:28 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Thu, 23 May 2019 18:22:07 +0200 > > Michael Mueller <mimu at linux.ibm.com> wrote: > > > > > From: Halil Pasic <pasic at linux.ibm.com> > > > > >

On Thu, 23 May 2019 18:22:07 +0200 Michael Mueller <mimu at linux.ibm.com> wrote: > From: Halil Pasic <pasic at linux.ibm.com> > > This will come in handy soon when we pull out the indicators from > virtio_ccw_device to a memory area that is shared with the hypervisor > (in particular for protected virtualization guests). > > Signed-off-by: Halil Pasic <pasic

On Thu, 23 May 2019 18:22:07 +0200 Michael Mueller <mimu at linux.ibm.com> wrote: > From: Halil Pasic <pasic at linux.ibm.com> > > This will come in handy soon when we pull out the indicators from > virtio_ccw_device to a memory area that is shared with the hypervisor > (in particular for protected virtualization guests). > > Signed-off-by: Halil Pasic <pasic

On Fri, 10 May 2019 09:43:08 +0200 Pierre Morel <pmorel at linux.ibm.com> wrote: > On 09/05/2019 20:26, Halil Pasic wrote: > > On Thu, 9 May 2019 14:01:01 +0200 > > Pierre Morel <pmorel at linux.ibm.com> wrote: > > > >> On 08/05/2019 16:31, Pierre Morel wrote: > >>> On 26/04/2019 20:32, Halil Pasic wrote: > >>>> This will come

On Fri, 10 May 2019 17:36:05 +0200 Pierre Morel <pmorel at linux.ibm.com> wrote: > On 10/05/2019 13:54, Halil Pasic wrote: > > On Fri, 10 May 2019 09:43:08 +0200 > > Pierre Morel <pmorel at linux.ibm.com> wrote: > > > >> On 09/05/2019 20:26, Halil Pasic wrote: > >>> On Thu, 9 May 2019 14:01:01 +0200 > >>> Pierre Morel

On Thu, 3 Jan 2019 14:00:10 +0100 Halil Pasic <pasic at linux.ibm.com> wrote: > On Wed, 2 Jan 2019 19:25:49 +0100 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Wed, 2 Jan 2019 18:50:20 +0100 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > A queue with a capacity of zero is clearly not a valid virtio queue. > >

On Mon, 27 May 2019 13:00:28 +0200 Cornelia Huck <cohuck at redhat.com> wrote: > On Thu, 23 May 2019 18:22:07 +0200 > Michael Mueller <mimu at linux.ibm.com> wrote: > > > From: Halil Pasic <pasic at linux.ibm.com> > > > > This will come in handy soon when we pull out the indicators from > > virtio_ccw_device to a memory area that is shared with

On Thu, 4 Jun 2020 23:44:21 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Tue, 26 May 2020 11:36:29 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > Support for hibernation on s390 has been recently been removed with s/been recently been removed/recently been removed/ > > commit 394216275c7d ("s390: remove broken hibernate / power

From: Halil Pasic <pasic at linux.ibm.com> This will come in handy soon when we pull out the indicators from virtio_ccw_device to a memory area that is shared with the hypervisor (in particular for protected virtualization guests). Signed-off-by: Halil Pasic <pasic at linux.ibm.com> Reviewed-by: Pierre Morel <pmorel at linux.ibm.com> --- drivers/s390/virtio/virtio_ccw.c | 40

From: Halil Pasic <pasic at linux.ibm.com> This will come in handy soon when we pull out the indicators from virtio_ccw_device to a memory area that is shared with the hypervisor (in particular for protected virtualization guests). Signed-off-by: Halil Pasic <pasic at linux.ibm.com> Reviewed-by: Pierre Morel <pmorel at linux.ibm.com> Signed-off-by: Michael Mueller <mimu at

On 09/05/2019 20:26, Halil Pasic wrote: > On Thu, 9 May 2019 14:01:01 +0200 > Pierre Morel <pmorel at linux.ibm.com> wrote: > >> On 08/05/2019 16:31, Pierre Morel wrote: >>> On 26/04/2019 20:32, Halil Pasic wrote: >>>> This will come in handy soon when we pull out the indicators from >>>> virtio_ccw_device to a memory area that is shared with

On 09/05/2019 20:26, Halil Pasic wrote: > On Thu, 9 May 2019 14:01:01 +0200 > Pierre Morel <pmorel at linux.ibm.com> wrote: > >> On 08/05/2019 16:31, Pierre Morel wrote: >>> On 26/04/2019 20:32, Halil Pasic wrote: >>>> This will come in handy soon when we pull out the indicators from >>>> virtio_ccw_device to a memory area that is shared with

On Tue, 9 Apr 2019 13:29:27 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Tue, 9 Apr 2019 11:57:43 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Fri, 5 Apr 2019 01:16:12 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > Currently we have a problem if a virtio-ccw device has > > >

On 08/05/2019 16:31, Pierre Morel wrote: > On 26/04/2019 20:32, Halil Pasic wrote: >> This will come in handy soon when we pull out the indicators from >> virtio_ccw_device to a memory area that is shared with the hypervisor >> (in particular for protected virtualization guests). >> >> Signed-off-by: Halil Pasic <pasic at linux.ibm.com> >> --- >>

On 10/05/2019 13:54, Halil Pasic wrote: > On Fri, 10 May 2019 09:43:08 +0200 > Pierre Morel <pmorel at linux.ibm.com> wrote: > >> On 09/05/2019 20:26, Halil Pasic wrote: >>> On Thu, 9 May 2019 14:01:01 +0200 >>> Pierre Morel <pmorel at linux.ibm.com> wrote: >>> >>>> On 08/05/2019 16:31, Pierre Morel wrote: >>>>> On