Hi On Wed, Nov 15, 2017 at 4:13 AM, Mike Kravetz <mike.krav...@oracle.com> wrote: > +Cc: Andrew, Michal, David > > Are there any other comments on this patch series from Marc-André? Is > anything > else needed to move forward? > > I have reviewed the patches in the series. David Herrmann (the original > memfd_create/file sealing author) has also taken a look at the patches. > > One outstanding issue is sorting out the config option dependencies. > Although, > IMO this is not a strict requirement for this series. I have addressed this > issue in a follow on series: > http://lkml.kernel.org/r/20171109014109.21077-1-mike.krav...@oracle.com
Are we good for the next merge window? Is Hugh Dickins the maintainer with the final word, and doing the pull request? (sorry, I am not very familiar with kernel development) thanks! >> Hi, >> >> Recently, Mike Kravetz added hugetlbfs support to memfd. However, he >> didn't add sealing support. One of the reasons to use memfd is to have >> shared memory sealing when doing IPC or sharing memory with another >> process with some extra safety. qemu uses shared memory & hugetables >> with vhost-user (used by dpdk), so it is reasonable to use memfd >> now instead for convenience and security reasons. >> >> Thanks! >> >> v3: >> - do remaining MFD_DEF_SIZE/mfd_def_size substitutions >> - fix missing unistd.h include in common.c >> - tweaked a bit commit message prefixes >> - added reviewed-by tags >> >> v2: >> - add "memfd-hugetlb:" prefix in memfd-test >> - run fuse test on hugetlb backend memory >> - rename function memfd_file_get_seals() -> memfd_file_seals_ptr() >> - update commit messages >> - added reviewed-by tags >> >> RFC->v1: >> - split rfc patch, after early review feedback >> - added patch for memfd-test changes >> - fix build with hugetlbfs disabled >> - small code and commit messages improvements >> >> Marc-André Lureau (9): >> shmem: unexport shmem_add_seals()/shmem_get_seals() >> shmem: rename functions that are memfd-related >> hugetlb: expose hugetlbfs_inode_info in header >> hugetlb: implement memfd sealing >> shmem: add sealing support to hugetlb-backed memfd >> memfd-test: test hugetlbfs sealing >> memfd-test: add 'memfd-hugetlb:' prefix when testing hugetlbfs >> memfd-test: move common code to a shared unit >> memfd-test: run fuse test on hugetlb backend memory >> >> fs/fcntl.c | 2 +- >> fs/hugetlbfs/inode.c | 39 +++-- >> include/linux/hugetlb.h | 11 ++ >> include/linux/shmem_fs.h | 6 +- >> mm/shmem.c | 59 ++++--- >> tools/testing/selftests/memfd/Makefile | 5 + >> tools/testing/selftests/memfd/common.c | 46 ++++++ >> tools/testing/selftests/memfd/common.h | 9 ++ >> tools/testing/selftests/memfd/fuse_test.c | 44 +++-- >> tools/testing/selftests/memfd/memfd_test.c | 212 >> ++++--------------------- >> tools/testing/selftests/memfd/run_fuse_test.sh | 2 +- >> tools/testing/selftests/memfd/run_tests.sh | 1 + >> 12 files changed, 200 insertions(+), 236 deletions(-) >> create mode 100644 tools/testing/selftests/memfd/common.c >> create mode 100644 tools/testing/selftests/memfd/common.h >> -- Marc-André Lureau
