Re: [Qemu-devel] [PATCH v3 20/29] postcopy: postcopy_notify_shared_wake

2018-03-07 Thread Peter Xu
On Tue, Mar 06, 2018 at 10:54:18AM +, Dr. David Alan Gilbert wrote: [...] > > Basically above was what I thought - to record the faulted addresses > > with specific PostcopyFD when page fault happened, then we may know > > which page(s) will a PostcopyFD need. But when with that, we'll > > p

Re: [Qemu-devel] [PATCH v3 20/29] postcopy: postcopy_notify_shared_wake

2018-03-06 Thread Dr. David Alan Gilbert
* Peter Xu (pet...@redhat.com) wrote: > On Mon, Mar 05, 2018 at 07:55:13PM +, Dr. David Alan Gilbert wrote: > > * Peter Xu (pet...@redhat.com) wrote: > > > On Fri, Feb 16, 2018 at 01:16:16PM +, Dr. David Alan Gilbert (git) > > > wrote: > > > > From: "Dr. David Alan Gilbert" > > > > > > >

Re: [Qemu-devel] [PATCH v3 20/29] postcopy: postcopy_notify_shared_wake

2018-03-05 Thread Peter Xu
On Mon, Mar 05, 2018 at 07:55:13PM +, Dr. David Alan Gilbert wrote: > * Peter Xu (pet...@redhat.com) wrote: > > On Fri, Feb 16, 2018 at 01:16:16PM +, Dr. David Alan Gilbert (git) > > wrote: > > > From: "Dr. David Alan Gilbert" > > > > > > Add a hook to allow a client userfaultfd to be 'w

Re: [Qemu-devel] [PATCH v3 20/29] postcopy: postcopy_notify_shared_wake

2018-03-05 Thread Dr. David Alan Gilbert
* Peter Xu (pet...@redhat.com) wrote: > On Fri, Feb 16, 2018 at 01:16:16PM +, Dr. David Alan Gilbert (git) wrote: > > From: "Dr. David Alan Gilbert" > > > > Add a hook to allow a client userfaultfd to be 'woken' > > when a page arrives, and a walker that calls that > > hook for relevant clien

Re: [Qemu-devel] [PATCH v3 20/29] postcopy: postcopy_notify_shared_wake

2018-03-01 Thread Peter Xu
On Fri, Feb 16, 2018 at 01:16:16PM +, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" > > Add a hook to allow a client userfaultfd to be 'woken' > when a page arrives, and a walker that calls that > hook for relevant clients given a RAMBlock and offset. > > Signed-off-by