Re: [Qemu-devel] [PATCH v4 2/3] Add memfd based hostmem

2017-07-03 Thread Eduardo Habkost
On Thu, Jun 29, 2017 at 01:34:22PM +, Marc-André Lureau wrote: > Hi > > On Wed, Jun 28, 2017 at 8:29 PM Eduardo Habkost wrote: > > > On Tue, Jun 27, 2017 at 08:23:03AM +, Marc-André Lureau wrote: > > > Hi Eduardo > > > > > > On Fri, Jun 23, 2017 at 11:09 PM Eduardo Habkost > > > wrote:

Re: [Qemu-devel] [PATCH v4 2/3] Add memfd based hostmem

2017-06-29 Thread Marc-André Lureau
Hi On Wed, Jun 28, 2017 at 8:29 PM Eduardo Habkost wrote: > On Tue, Jun 27, 2017 at 08:23:03AM +, Marc-André Lureau wrote: > > Hi Eduardo > > > > On Fri, Jun 23, 2017 at 11:09 PM Eduardo Habkost > > wrote: > > > > > On Wed, Jun 21, 2017 at 04:02:18PM +0200, Marc-André Lureau wrote: > > > >

Re: [Qemu-devel] [PATCH v4 2/3] Add memfd based hostmem

2017-06-28 Thread Eduardo Habkost
On Tue, Jun 27, 2017 at 08:23:03AM +, Marc-André Lureau wrote: > Hi Eduardo > > On Fri, Jun 23, 2017 at 11:09 PM Eduardo Habkost > wrote: > > > On Wed, Jun 21, 2017 at 04:02:18PM +0200, Marc-André Lureau wrote: > > > Add a new memory backend, similar to hostmem-file, except that it > > > doe

Re: [Qemu-devel] [PATCH v4 2/3] Add memfd based hostmem

2017-06-27 Thread Marc-André Lureau
Hi Eduardo On Fri, Jun 23, 2017 at 11:09 PM Eduardo Habkost wrote: > On Wed, Jun 21, 2017 at 04:02:18PM +0200, Marc-André Lureau wrote: > > Add a new memory backend, similar to hostmem-file, except that it > > doesn't need to create files. It also enforces memory sealing. > > > > This backend is

Re: [Qemu-devel] [PATCH v4 2/3] Add memfd based hostmem

2017-06-23 Thread Eduardo Habkost
On Wed, Jun 21, 2017 at 04:02:18PM +0200, Marc-André Lureau wrote: > Add a new memory backend, similar to hostmem-file, except that it > doesn't need to create files. It also enforces memory sealing. > > This backend is mainly useful for sharing the memory with other > processes. How exactly can

[Qemu-devel] [PATCH v4 2/3] Add memfd based hostmem

2017-06-21 Thread Marc-André Lureau
Add a new memory backend, similar to hostmem-file, except that it doesn't need to create files. It also enforces memory sealing. This backend is mainly useful for sharing the memory with other processes. Note that Linux supports transparent huge-pages of shmem/memfd memory since 4.8. It is relati