On 10.12.2020 16:55, Hongyan Xia wrote:
> On Thu, 2020-12-10 at 14:37 +0100, Jan Beulich wrote:
>> On 10.12.2020 14:09, Hongyan Xia wrote:
>>> On Mon, 2020-09-28 at 12:44 +0200, Jan Beulich wrote:
Plus finally there's no point sending the request for the local
domain
when the domain
On Thu, 2020-12-10 at 14:37 +0100, Jan Beulich wrote:
> On 10.12.2020 14:09, Hongyan Xia wrote:
> > On Mon, 2020-09-28 at 12:44 +0200, Jan Beulich wrote:
> > > Plus finally there's no point sending the request for the local
> > > domain
> > > when the domain acted upon is a different one. If anythi
On 10.12.2020 14:09, Hongyan Xia wrote:
> On Mon, 2020-09-28 at 12:44 +0200, Jan Beulich wrote:
>> Plus finally there's no point sending the request for the local
>> domain
>> when the domain acted upon is a different one. If anything that
>> domain's
>> qemu's mapcache may need invalidating, but i
I came across the same issue when QEMU was holding an extra reference
to a page removed from p2m, via XENMEM_add_to_physmap. Please tell me
if I am talking nonsense since my knowledge around QEMU invalidation is
limited.
On Mon, 2020-09-28 at 12:44 +0200, Jan Beulich wrote:
> For one it was wrong
On 28.09.2020 13:25, Paul Durrant wrote:
>> From: Jan Beulich
>> Sent: 28 September 2020 11:44
>>
>> For one it was wrong to send the request only upon a completed
>> hypercall: Even if only part of it completed before getting preempted,
>> invalidation ought to occur. Therefore fold the two retur
For one it was wrong to send the request only upon a completed
hypercall: Even if only part of it completed before getting preempted,
invalidation ought to occur. Therefore fold the two return statements.
And then XENMEM_decrease_reservation isn't the only means by which pages
can get removed from
