From: Willem de Bruijn <[email protected]>
Use in_compat_syscall() to differentiate compat handling exactly
where needed, including in nested function calls. Then remove
duplicated code in callers.
Changes
RFC[1]->v1
- remove kselftest dependency on variant support in teardown
(patch is out for review, not available in linux-next/akpm yet)
- add patch 5: deduplicate set_user_sigmask compat handling
- add patch 6: deduplicate io_pgetevents sigmask compat handling
[1] RFC: https://github.com/wdebruij/linux-next-mirror/tree/select-compat-1
Willem de Bruijn (6):
selftests/filesystems: add initial select and poll selftest
select: deduplicate compat logic
ppoll: deduplicate compat logic
epoll: deduplicate compat logic
compat: add set_maybe_compat_user_sigmask helper
io_pgetevents: deduplicate compat logic
fs/aio.c | 94 ++---
fs/eventpoll.c | 35 +-
fs/io_uring.c | 9 +-
fs/select.c | 339 +++++-------------
include/linux/compat.h | 10 +
.../testing/selftests/filesystems/.gitignore | 1 +
tools/testing/selftests/filesystems/Makefile | 2 +-
.../selftests/filesystems/selectpoll.c | 207 +++++++++++
8 files changed, 344 insertions(+), 353 deletions(-)
create mode 100644 tools/testing/selftests/filesystems/selectpoll.c
--
2.30.0.284.gd98b1dd5eaa7-goog
