Re: [PATCH] tests/qtest/migrate-test: Add a postcopy memfile test

2024-05-30 Thread Nicholas Piggin
On Thu May 30, 2024 at 3:35 AM AEST, Fabiano Rosas wrote: > Peter Xu writes: > > > On Wed, May 29, 2024 at 09:54:30AM -0300, Fabiano Rosas wrote: > >> Nicholas Piggin writes: > >> > >> > Postcopy requires userfaultfd support, which requires tmpfs if a memory > >> > file is used. > >> > > >> > Th

Re: [PATCH] tests/qtest/migrate-test: Add a postcopy memfile test

2024-05-29 Thread Fabiano Rosas
Peter Xu writes: > On Wed, May 29, 2024 at 09:54:30AM -0300, Fabiano Rosas wrote: >> Nicholas Piggin writes: >> >> > Postcopy requires userfaultfd support, which requires tmpfs if a memory >> > file is used. >> > >> > This adds back support for /dev/shm memory files, but adds preallocation >> >

Re: [PATCH] tests/qtest/migrate-test: Add a postcopy memfile test

2024-05-29 Thread Peter Xu
On Wed, May 29, 2024 at 09:54:30AM -0300, Fabiano Rosas wrote: > Nicholas Piggin writes: > > > Postcopy requires userfaultfd support, which requires tmpfs if a memory > > file is used. > > > > This adds back support for /dev/shm memory files, but adds preallocation > > to skip environments where

Re: [PATCH] tests/qtest/migrate-test: Add a postcopy memfile test

2024-05-29 Thread Fabiano Rosas
Nicholas Piggin writes: > Postcopy requires userfaultfd support, which requires tmpfs if a memory > file is used. > > This adds back support for /dev/shm memory files, but adds preallocation > to skip environments where that mount is limited in size. > > Signed-off-by: Nicholas Piggin > --- > >

[PATCH] tests/qtest/migrate-test: Add a postcopy memfile test

2024-05-28 Thread Nicholas Piggin
Postcopy requires userfaultfd support, which requires tmpfs if a memory file is used. This adds back support for /dev/shm memory files, but adds preallocation to skip environments where that mount is limited in size. Signed-off-by: Nicholas Piggin --- How about this? This goes on top of the res