Every architecture now either uses the generic entry code or provides TIF_FD_SLOTS. The fallback that deferred without ever committing can go. Make it a build error instead. A new architecture can't grow fd_prepare() callers without the syscall exit hook.
Signed-off-by: Christian Brauner (Amutable) <[email protected]> --- fs/file.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/file.c b/fs/file.c index 6fa481d63dcf..2b041b45f225 100644 --- a/fs/file.c +++ b/fs/file.c @@ -652,9 +652,7 @@ static void fd_release(unsigned int fd) #define fd_slots_set_work() set_thread_flag(TIF_FD_SLOTS) #define fd_slots_clear_work() clear_thread_flag(TIF_FD_SLOTS) #else -/* Nothing commits until the architecture provides the flag. */ -#define fd_slots_set_work() do { } while (0) -#define fd_slots_clear_work() do { } while (0) +#error "the syscall exit path must commit prepared file descriptors" #endif static struct fd_slot *fd_slot(struct fd_slots *slots, unsigned int idx) -- 2.53.0
