On 29.05.19 14:26, Michael Mueller wrote:
> From: Halil Pasic
>
> The flag AIRQ_IV_CACHELINE was recently added to airq_iv_create(). Let
> us use it! We actually wanted the vector to span a cacheline all along.
Given that VIRTIO_IV_BITS is (L1_CACHE_BYTES * 8) this makes perfect sense.
Revie
On Sun, Jun 02, 2019 at 06:03:34PM -0700, David Miller wrote:
> From: Stefano Garzarella
> Date: Fri, 31 May 2019 15:39:51 +0200
>
> > @@ -434,7 +434,9 @@ void virtio_transport_set_buffer_size(struct vsock_sock
> > *vsk, u64 val)
> > if (val > vvs->buf_size_max)
> > vvs->buf_size
On Wed, 29 May 2019 14:26:51 +0200
Michael Mueller wrote:
> From: Halil Pasic
>
> To support protected virtualization cio will need to make sure the
> memory used for communication with the hypervisor is DMA memory.
>
> Let us introduce one global pool for cio.
>
> Our DMA pools are implement
On Wed, 29 May 2019 14:26:52 +0200
Michael Mueller wrote:
> From: Halil Pasic
>
> As virtio-ccw devices are channel devices, we need to use the dma area
> for any communication with the hypervisor.
"we need to use the dma area within the common I/O layer for any
communication with the hypervis
On 03.06.19 13:37, Cornelia Huck wrote:
On Wed, 29 May 2019 14:26:51 +0200
Michael Mueller wrote:
From: Halil Pasic
To support protected virtualization cio will need to make sure the
memory used for communication with the hypervisor is DMA memory.
Let us introduce one global pool for cio
On 03.06.19 14:06, Cornelia Huck wrote:
On Wed, 29 May 2019 14:26:52 +0200
Michael Mueller wrote:
From: Halil Pasic
As virtio-ccw devices are channel devices, we need to use the dma area
for any communication with the hypervisor.
"we need to use the dma area within the common I/O layer
On Mon, 3 Jun 2019 13:37:45 +0200
Cornelia Huck wrote:
> On Wed, 29 May 2019 14:26:51 +0200
> Michael Mueller wrote:
>
> > From: Halil Pasic
> >
> > To support protected virtualization cio will need to make sure the
> > memory used for communication with the hypervisor is DMA memory.
> >
> >
On Mon, 3 Jun 2019 14:09:02 +0200
Michael Mueller wrote:
> >> @@ -224,6 +226,8 @@ struct subchannel *css_alloc_subchannel(struct
> >> subchannel_id schid,
> >>INIT_WORK(&sch->todo_work, css_sch_todo);
> >>sch->dev.release = &css_subchannel_release;
> >>device_initialize(&sch->dev);
On Mon, 3 Jun 2019 14:57:30 +0200
Halil Pasic wrote:
> On Mon, 3 Jun 2019 14:09:02 +0200
> Michael Mueller wrote:
>
> > >> @@ -224,6 +226,8 @@ struct subchannel *css_alloc_subchannel(struct
> > >> subchannel_id schid,
> > >> INIT_WORK(&sch->todo_work, css_sch_todo);
> > >> sc
On Mon, 3 Jun 2019 14:47:06 +0200
Halil Pasic wrote:
> On Mon, 3 Jun 2019 13:37:45 +0200
> Cornelia Huck wrote:
>
> > On Wed, 29 May 2019 14:26:51 +0200
> > Michael Mueller wrote:
> > > diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
> > > index 1727180e8ca1..43c007d277
On Mon, 3 Jun 2019 14:45:03 +0200
Michael Mueller wrote:
> On 03.06.19 14:06, Cornelia Huck wrote:
> > On Wed, 29 May 2019 14:26:52 +0200
> > Michael Mueller wrote:
> >> @@ -1593,20 +1625,31 @@ struct ccw_device * __init
> >> ccw_device_create_console(struct ccw_driver *drv)
> >>re
On 03.06.19 15:34, Cornelia Huck wrote:
On Mon, 3 Jun 2019 14:57:30 +0200
Halil Pasic wrote:
On Mon, 3 Jun 2019 14:09:02 +0200
Michael Mueller wrote:
@@ -224,6 +226,8 @@ struct subchannel *css_alloc_subchannel(struct
subchannel_id schid,
INIT_WORK(&sch->todo_work, css_sch_todo);
On 03.06.19 15:42, Cornelia Huck wrote:
On Mon, 3 Jun 2019 14:45:03 +0200
Michael Mueller wrote:
On 03.06.19 14:06, Cornelia Huck wrote:
On Wed, 29 May 2019 14:26:52 +0200
Michael Mueller wrote:
@@ -1593,20 +1625,31 @@ struct ccw_device * __init
ccw_device_create_console(struct ccw_dr
On Mon, 3 Jun 2019 14:09:02 +0200
Michael Mueller wrote:
> >> @@ -1059,16 +1168,19 @@ static int __init css_bus_init(void)
> >>if (ret)
> >>goto out_unregister;
> >>ret = register_pm_notifier(&css_power_notifier);
> >> - if (ret) {
> >> - unregister_reboot_notifier(&
On Mon, 3 Jun 2019 16:04:28 +0200
Halil Pasic wrote:
> On Mon, 3 Jun 2019 14:09:02 +0200
> Michael Mueller wrote:
>
> > >> @@ -1059,16 +1168,19 @@ static int __init css_bus_init(void)
> > >> if (ret)
> > >> goto out_unregister;
> > >> ret = register_pm_notifie
The following changes since commit cd6c84d8f0cdc911df435bb075ba22ce3c605b07:
Linux 5.2-rc2 (2019-05-26 16:49:19 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus
for you to fetch changes up to c1ea02f15ab5efb3e93fc3144d
On Wed, 29 May 2019 14:26:53 +0200
Michael Mueller wrote:
> From: Halil Pasic
>
> Protected virtualization guests have to use shared pages for airq
> notifier bit vectors, because hypervisor needs to write these bits.
>
> Let us make sure we allocate DMA memory for the notifier bit vectors by
On Wed, 29 May 2019 14:26:54 +0200
Michael Mueller wrote:
> From: Halil Pasic
>
> The flag AIRQ_IV_CACHELINE was recently added to airq_iv_create(). Let
> us use it! We actually wanted the vector to span a cacheline all along.
>
> Signed-off-by: Halil Pasic
> Signed-off-by: Michael Mueller
>
On Wed, 29 May 2019 14:26:55 +0200
Michael Mueller wrote:
> From: Halil Pasic
>
> 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:
On Wed, 29 May 2019 14:26:57 +0200
Michael Mueller wrote:
> From: Halil Pasic
>
> Hypervisor needs to interact with the summary indicators, so these
> need to be DMA memory as well (at least for protected virtualization
> guests).
>
> Signed-off-by: Halil Pasic
> Signed-off-by: Michael Muelle
On Wed, 29 May 2019 14:26:56 +0200
Michael Mueller wrote:
> From: Halil Pasic
>
> Before virtio-ccw could get away with not using DMA API for the pieces of
> memory it does ccw I/O with. With protected virtualization this has to
> change, since the hypervisor needs to read and sometimes also wr
On Wed, May 29, 2019 at 08:23:53PM -0300, Mauro Carvalho Chehab wrote:
> Mostly due to x86 and acpi conversion, several documentation
> links are still pointing to the old file. Fix them.
Acked-by: Mark Brown
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On Mon, 3 Jun 2019 18:03:37 +0200
Cornelia Huck wrote:
> On Wed, 29 May 2019 14:26:57 +0200
> Michael Mueller wrote:
>
> > From: Halil Pasic
> >
> > Hypervisor needs to interact with the summary indicators, so these
> > need to be DMA memory as well (at least for protected virtualization
> >
On Mon, 3 Jun 2019 17:55:54 +0200
Cornelia Huck wrote:
> On Wed, 29 May 2019 14:26:55 +0200
> Michael Mueller wrote:
>
> > From: Halil Pasic
> >
> > 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
> >
Michael S. Tsirkin writes:
> On Wed, Apr 17, 2019 at 06:42:00PM -0300, Thiago Jung Bauermann wrote:
>> I rephrased it in terms of address translation. What do you think of
>> this version? The flag name is slightly different too:
>>
>>
>> VIRTIO_F_ACCESS_PLATFORM_NO_TRANSLATION This feature ha
On Mon, Jun 03, 2019 at 10:13:59PM -0300, Thiago Jung Bauermann wrote:
>
>
> Michael S. Tsirkin writes:
>
> > On Wed, Apr 17, 2019 at 06:42:00PM -0300, Thiago Jung Bauermann wrote:
> >> I rephrased it in terms of address translation. What do you think of
> >> this version? The flag name is slig
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