Note: Silently drops MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED as it's
not currently detectable. This is still better than silently dropping
all membarrier() registrations.
Signed-off-by: Michał Mirosław <emmir@google.com>
Will use this for cross mount namespace bindmounts.
Note: don't need separate kdat for mount-v2, as MOVE_MOUNT_SET_GROUP
were added much later than open_tree and all related fixups.
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Mounts-v2 requires new kernel feature MOVE_MOUNT_SET_GROUP to be able to
restore propagation between mounts right.
Cherry-picked from Virtuozzo criu:
https://src.openvz.org/projects/OVZ/repos/criu/commits/7da7f9a17
Changes: define move_mount syscall, check mainstream kernel
MOVE_MOUNT_SET_GROUP feature, use our "linux/mount.h" to overcome
possible problems of non-existing header on older kernels.
v3: coverity CID 389201: check ret of umount2 and rmdir at cleanup stage
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
pidfd_getfd syscall will be needed later to send pidfds between
pre-dump/dump iterations for pid reuse detection.
v2:
- check size written/read of val_a/val_b is correct
- return with error when val_a != val_b
Signed-off-by: Zeyad Yasser <zeyady98@gmail.com>
pidfd_open syscall will be needed later to send pidfds between
pre-dump/dump iterations for pid reuse detection.
v2:
- make kerndat_has_pidfd_open void since 0 is always returned
- fix missing tabs in syscall tables
Signed-off-by: Zeyad Yasser <zeyady98@gmail.com>
CRIU follows Linux kernel coding style. This patch updates the
architecture-specific code for MIPS to use tab indentation,
add whitespace between closing parenthesis and open bracket,
and changes the mode of source files from 755 to 644.
Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
