Re: [XEN PATCH v3] xen/arm: ffa: reclaim shared memory on guest destroy

2024-02-05 Thread Bertrand Marquis
Hi Jens, > On 5 Feb 2024, at 14:39, Jens Wiklander wrote: > > Hi Bertrand, > > On Thu, Feb 1, 2024 at 2:57 PM Bertrand Marquis > wrote: >> >> Hi Jens, >> >>> On 17 Jan 2024, at 12:06, Jens Wiklander wrote: >>> >>> When an FF-A enabled guest is destroyed it may leave behind memory >>>

Re: [XEN PATCH v3] xen/arm: ffa: reclaim shared memory on guest destroy

2024-02-05 Thread Jens Wiklander
Hi Bertrand, On Thu, Feb 1, 2024 at 2:57 PM Bertrand Marquis wrote: > > Hi Jens, > > > On 17 Jan 2024, at 12:06, Jens Wiklander wrote: > > > > When an FF-A enabled guest is destroyed it may leave behind memory > > shared with SPs. This memory must be reclaimed before it's reused or an > > SP

Re: [XEN PATCH v3] xen/arm: ffa: reclaim shared memory on guest destroy

2024-02-01 Thread Bertrand Marquis
Hi Jens, > On 17 Jan 2024, at 12:06, Jens Wiklander wrote: > > When an FF-A enabled guest is destroyed it may leave behind memory > shared with SPs. This memory must be reclaimed before it's reused or an > SP may make changes to memory used by a new unrelated guest. So when the > domain is

[XEN PATCH v3] xen/arm: ffa: reclaim shared memory on guest destroy

2024-01-17 Thread Jens Wiklander
When an FF-A enabled guest is destroyed it may leave behind memory shared with SPs. This memory must be reclaimed before it's reused or an SP may make changes to memory used by a new unrelated guest. So when the domain is teared down add FF-A requests to reclaim all remaining shared memory. SPs