On Tue, Sep 6, 2022 at 1:01 PM Daniel Vetter wrote:
>
> On Mon, Aug 15, 2022 at 12:05:19PM +0200, Christian König wrote:
> > Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
> > > Higher order pages allocated using alloc_pages() aren't refcounted and
> > > they
> > > need to be refcounted,
Am 06.09.22 um 22:05 schrieb Daniel Vetter:
On Tue, Sep 06, 2022 at 10:01:47PM +0200, Daniel Vetter wrote:
On Mon, Aug 15, 2022 at 12:05:19PM +0200, Christian König wrote:
Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
Higher order pages allocated using alloc_pages() aren't refcounted and they
On Tue, Sep 06, 2022 at 10:01:47PM +0200, Daniel Vetter wrote:
> On Mon, Aug 15, 2022 at 12:05:19PM +0200, Christian König wrote:
> > Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
> > > Higher order pages allocated using alloc_pages() aren't refcounted and
> > > they
> > > need to be refcounted,
On Mon, Aug 15, 2022 at 12:05:19PM +0200, Christian König wrote:
> Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
> > Higher order pages allocated using alloc_pages() aren't refcounted and they
> > need to be refcounted, otherwise it's impossible to map them by KVM. This
> > patch sets the refcount
Am 18.08.22 um 01:13 schrieb Dmitry Osipenko:
On 8/18/22 01:57, Dmitry Osipenko wrote:
On 8/15/22 18:54, Dmitry Osipenko wrote:
On 8/15/22 17:57, Dmitry Osipenko wrote:
On 8/15/22 16:53, Christian König wrote:
Am 15.08.22 um 15:45 schrieb Dmitry Osipenko:
[SNIP]
Well that comment sounds
Am 15.08.22 um 15:45 schrieb Dmitry Osipenko:
[SNIP]
Well that comment sounds like KVM is doing the right thing, so I'm
wondering what exactly is going on here.
KVM actually doesn't hold the page reference, it takes the temporal
reference during page fault and then drops the reference once
Am 15.08.22 um 13:50 schrieb Dmitry Osipenko:
On 8/15/22 14:28, Christian König wrote:
Maybe it was discussed privately? In this case I will be happy to get
more info from you about the root of the problem so I could start to
look at how to fix it properly. It's not apparent where the problem
Am 15.08.22 um 13:19 schrieb Dmitry Osipenko:
[SNIP]
I'll try to dig out the older discussions, thank you for the quick
reply!
Are you sure it was really discussed in public previously? All I can
find is yours two answers to a similar patches where you're saying that
this it's a wrong solution
Am 15.08.22 um 12:47 schrieb Dmitry Osipenko:
On 8/15/22 13:18, Dmitry Osipenko wrote:
On 8/15/22 13:14, Christian König wrote:
Am 15.08.22 um 12:11 schrieb Christian König:
Am 15.08.22 um 12:09 schrieb Dmitry Osipenko:
On 8/15/22 13:05, Christian König wrote:
Am 15.08.22 um 11:54 schrieb
Am 15.08.22 um 12:18 schrieb Dmitry Osipenko:
On 8/15/22 13:14, Christian König wrote:
Am 15.08.22 um 12:11 schrieb Christian König:
Am 15.08.22 um 12:09 schrieb Dmitry Osipenko:
On 8/15/22 13:05, Christian König wrote:
Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
Higher order pages
Am 15.08.22 um 12:11 schrieb Christian König:
Am 15.08.22 um 12:09 schrieb Dmitry Osipenko:
On 8/15/22 13:05, Christian König wrote:
Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
Higher order pages allocated using alloc_pages() aren't refcounted and
they
need to be refcounted, otherwise it's
Am 15.08.22 um 12:09 schrieb Dmitry Osipenko:
On 8/15/22 13:05, Christian König wrote:
Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
Higher order pages allocated using alloc_pages() aren't refcounted and
they
need to be refcounted, otherwise it's impossible to map them by KVM. This
patch sets
Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
Higher order pages allocated using alloc_pages() aren't refcounted and they
need to be refcounted, otherwise it's impossible to map them by KVM. This
patch sets the refcount of the tail pages and fixes the KVM memory mapping
faults.
Without this
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