From: Jorgen Hansen
Date: Mon, 18 Apr 2016 23:58:52 -0700
> If skb_recv_datagram returns an skb, we should ignore the err
> value returned. Otherwise, datagram receives will return EAGAIN
> when they have to wait for a datagram.
>
> Acked-by: Adit Ranadive
> Signed-off-by: Jorgen Hansen
Appli
On Tue, Apr 19, 2016 at 1:54 PM, Michael S. Tsirkin wrote:
> On Tue, Apr 19, 2016 at 01:27:29PM -0700, Andy Lutomirski wrote:
>> On Tue, Apr 19, 2016 at 1:16 PM, Michael S. Tsirkin wrote:
>> > On Tue, Apr 19, 2016 at 11:01:38AM -0700, Andy Lutomirski wrote:
>> >> On Tue, Apr 19, 2016 at 10:49 AM,
On Tue, Apr 19, 2016 at 01:27:29PM -0700, Andy Lutomirski wrote:
> On Tue, Apr 19, 2016 at 1:16 PM, Michael S. Tsirkin wrote:
> > On Tue, Apr 19, 2016 at 11:01:38AM -0700, Andy Lutomirski wrote:
> >> On Tue, Apr 19, 2016 at 10:49 AM, Michael S. Tsirkin
> >> wrote:
> >> > On Tue, Apr 19, 2016 at
On Tue, Apr 19, 2016 at 1:16 PM, Michael S. Tsirkin wrote:
> On Tue, Apr 19, 2016 at 11:01:38AM -0700, Andy Lutomirski wrote:
>> On Tue, Apr 19, 2016 at 10:49 AM, Michael S. Tsirkin wrote:
>> > On Tue, Apr 19, 2016 at 12:26:44PM -0400, David Woodhouse wrote:
>> >> On Tue, 2016-04-19 at 19:20 +030
On Tue, Apr 19, 2016 at 11:01:38AM -0700, Andy Lutomirski wrote:
> On Tue, Apr 19, 2016 at 10:49 AM, Michael S. Tsirkin wrote:
> > On Tue, Apr 19, 2016 at 12:26:44PM -0400, David Woodhouse wrote:
> >> On Tue, 2016-04-19 at 19:20 +0300, Michael S. Tsirkin wrote:
> >> >
> >> > > I thought that PLATF
On Tue, Apr 19, 2016 at 10:49 AM, Michael S. Tsirkin wrote:
> On Tue, Apr 19, 2016 at 12:26:44PM -0400, David Woodhouse wrote:
>> On Tue, 2016-04-19 at 19:20 +0300, Michael S. Tsirkin wrote:
>> >
>> > > I thought that PLATFORM served that purpose. Woudn't the host
>> > > advertise PLATFORM suppor
On Tue, Apr 19, 2016 at 12:26:44PM -0400, David Woodhouse wrote:
> On Tue, 2016-04-19 at 19:20 +0300, Michael S. Tsirkin wrote:
> >
> > > I thought that PLATFORM served that purpose. Woudn't the host
> > > advertise PLATFORM support and, if the guest doesn't ack it, the host
> > > device would sk
On Tue, 2016-04-19 at 19:20 +0300, Michael S. Tsirkin wrote:
>
> > I thought that PLATFORM served that purpose. Woudn't the host
> > advertise PLATFORM support and, if the guest doesn't ack it, the host
> > device would skip translation? Or is that problematic for vfio?
>
> Exactly that's probl
On Tue, Apr 19, 2016 at 09:12:03AM -0700, Andy Lutomirski wrote:
> On Tue, Apr 19, 2016 at 9:09 AM, Michael S. Tsirkin wrote:
> > On Tue, Apr 19, 2016 at 09:02:14AM -0700, Andy Lutomirski wrote:
> >> On Tue, Apr 19, 2016 at 3:27 AM, Michael S. Tsirkin
> >> wrote:
> >> > On Mon, Apr 18, 2016 at 1
On Tue, Apr 19, 2016 at 9:09 AM, Michael S. Tsirkin wrote:
> On Tue, Apr 19, 2016 at 09:02:14AM -0700, Andy Lutomirski wrote:
>> On Tue, Apr 19, 2016 at 3:27 AM, Michael S. Tsirkin wrote:
>> > On Mon, Apr 18, 2016 at 12:24:15PM -0700, Andy Lutomirski wrote:
>> >> On Mon, Apr 18, 2016 at 11:29 AM,
On Tue, Apr 19, 2016 at 09:02:14AM -0700, Andy Lutomirski wrote:
> On Tue, Apr 19, 2016 at 3:27 AM, Michael S. Tsirkin wrote:
> > On Mon, Apr 18, 2016 at 12:24:15PM -0700, Andy Lutomirski wrote:
> >> On Mon, Apr 18, 2016 at 11:29 AM, David Woodhouse
> >> wrote:
> >> > For x86, you *can* enable v
On Tue, Apr 19, 2016 at 09:00:27AM -0700, Andy Lutomirski wrote:
> On Apr 19, 2016 2:13 AM, "Michael S. Tsirkin" wrote:
> >
> >
> > I guess you are right in that we should split this part out.
> > What I wanted is really the combination
> > PASSTHROUGH && !PLATFORM so that we can say "ok we don't
On Tue, Apr 19, 2016 at 3:27 AM, Michael S. Tsirkin wrote:
> On Mon, Apr 18, 2016 at 12:24:15PM -0700, Andy Lutomirski wrote:
>> On Mon, Apr 18, 2016 at 11:29 AM, David Woodhouse
>> wrote:
>> > For x86, you *can* enable virtio-behind-IOMMU if your DMAR tables tell
>> > the truth, and even legacy
On Apr 19, 2016 2:13 AM, "Michael S. Tsirkin" wrote:
>
>
> I guess you are right in that we should split this part out.
> What I wanted is really the combination
> PASSTHROUGH && !PLATFORM so that we can say "ok we don't
> need to guess, this device actually bypasses the IOMMU".
What happens when
On Tue, 19 Apr 2016 12:13:29 +0300
"Michael S. Tsirkin" wrote:
> On Mon, Apr 18, 2016 at 02:29:33PM -0400, David Woodhouse wrote:
> > On Mon, 2016-04-18 at 19:27 +0300, Michael S. Tsirkin wrote:
> > > I balk at adding more hacks to a broken system. My goals are
> > > merely to
> > > - make thin
On Mon, Apr 18, 2016 at 12:24:15PM -0700, Andy Lutomirski wrote:
> On Mon, Apr 18, 2016 at 11:29 AM, David Woodhouse wrote:
> > For x86, you *can* enable virtio-behind-IOMMU if your DMAR tables tell
> > the truth, and even legacy kernels ought to cope with that.
> > FSVO 'ought to' where I suspect
On Mon, Apr 18, 2016 at 02:00:06PM -0600, Alex Williamson wrote:
> On Mon, 18 Apr 2016 12:58:28 +0300
> "Michael S. Tsirkin" wrote:
>
> > Modern virtio pci devices can set VIRTIO_F_IOMMU_PLATFORM
> > to signal they are safe to use with an IOMMU.
> >
> > Without this bit, exposing the device to u
On Mon, Apr 18, 2016 at 02:29:33PM -0400, David Woodhouse wrote:
> On Mon, 2016-04-18 at 19:27 +0300, Michael S. Tsirkin wrote:
> > I balk at adding more hacks to a broken system. My goals are
> > merely to
> > - make things work correctly with an IOMMU and new guests,
> > so people can use users
Hello Minchan,
On (04/19/16 16:51), Minchan Kim wrote:
[..]
>
> I guess it is remained thing after I rebased to catch any mistake.
> But I'm heavily chainging this part.
> Please review next version instead of this after a few days. :)
ah, got it. thanks!
-ss
___
Hi Sergey,
On Mon, Apr 18, 2016 at 10:04:08AM +0900, Sergey Senozhatsky wrote:
> Hello Minchan,
>
> On (03/30/16 16:12), Minchan Kim wrote:
> [..]
> > @@ -1835,23 +1827,31 @@ static void __zs_compact(struct zs_pool *pool,
> > struct size_class *class)
> > if (!migrate_zspage(
On Mon, Apr 18, 2016 at 09:33:05AM +0900, Sergey Senozhatsky wrote:
> Hello,
>
> On (03/30/16 16:12), Minchan Kim wrote:
> > @@ -1421,7 +1434,6 @@ static unsigned long obj_malloc(struct size_class
> > *class,
> > unsigned long m_offset;
> > void *vaddr;
> >
> > - handle |= OBJ_ALLOCAT
On Mon, Apr 18, 2016 at 12:56:21AM +0900, Sergey Senozhatsky wrote:
> Hello,
>
> On (03/30/16 16:12), Minchan Kim wrote:
> [..]
> > +static void objidx_to_page_and_offset(struct size_class *class,
> > + struct page *first_page,
> > + unsigned lon
On Mon, Apr 18, 2016 at 12:08:04AM +0900, Sergey Senozhatsky wrote:
> Hello,
>
> On (03/30/16 16:12), Minchan Kim wrote:
> [..]
> > +static int get_zspage_inuse(struct page *first_page)
> > +{
> > + struct zs_meta *m;
> > +
> > + VM_BUG_ON_PAGE(!is_first_page(first_page), first_page);
> > +
>
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