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Kernel: Mark inode watcher syscalls as not needing the big lock

These syscalls are already protected by existing locking mechanisms,
including the mutex inside InodeWatcher.
This commit is contained in:
Andreas Kling 2023-04-03 18:43:20 +02:00
parent 08d79c757a
commit bd46397e1f
2 changed files with 157 additions and 157 deletions

View file

@ -44,161 +44,161 @@ enum class NeedsBigProcessLock {
// - VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
// - VERIFY_NO_PROCESS_BIG_LOCK(this)
//
#define ENUMERATE_SYSCALLS(S) \
S(accept4, NeedsBigProcessLock::No) \
S(adjtime, NeedsBigProcessLock::No) \
S(alarm, NeedsBigProcessLock::No) \
S(allocate_tls, NeedsBigProcessLock::Yes) \
S(anon_create, NeedsBigProcessLock::No) \
S(annotate_mapping, NeedsBigProcessLock::No) \
S(beep, NeedsBigProcessLock::No) \
S(bind, NeedsBigProcessLock::No) \
S(chdir, NeedsBigProcessLock::No) \
S(chmod, NeedsBigProcessLock::No) \
S(chown, NeedsBigProcessLock::No) \
S(clock_gettime, NeedsBigProcessLock::No) \
S(clock_nanosleep, NeedsBigProcessLock::No) \
S(clock_getres, NeedsBigProcessLock::No) \
S(clock_settime, NeedsBigProcessLock::No) \
S(close, NeedsBigProcessLock::No) \
S(connect, NeedsBigProcessLock::No) \
S(create_inode_watcher, NeedsBigProcessLock::No) \
S(create_thread, NeedsBigProcessLock::Yes) \
S(dbgputstr, NeedsBigProcessLock::No) \
S(detach_thread, NeedsBigProcessLock::Yes) \
S(disown, NeedsBigProcessLock::No) \
S(dump_backtrace, NeedsBigProcessLock::No) \
S(dup2, NeedsBigProcessLock::No) \
S(emuctl, NeedsBigProcessLock::No) \
S(execve, NeedsBigProcessLock::Yes) \
S(exit, NeedsBigProcessLock::Yes) \
S(exit_thread, NeedsBigProcessLock::Yes) \
S(faccessat, NeedsBigProcessLock::Yes) \
S(fchdir, NeedsBigProcessLock::No) \
S(fchmod, NeedsBigProcessLock::No) \
S(fchown, NeedsBigProcessLock::No) \
S(fcntl, NeedsBigProcessLock::No) \
S(fork, NeedsBigProcessLock::Yes) \
S(fstat, NeedsBigProcessLock::No) \
S(fstatvfs, NeedsBigProcessLock::No) \
S(fsync, NeedsBigProcessLock::No) \
S(ftruncate, NeedsBigProcessLock::No) \
S(futex, NeedsBigProcessLock::Yes) \
S(get_dir_entries, NeedsBigProcessLock::Yes) \
S(get_root_session_id, NeedsBigProcessLock::No) \
S(get_stack_bounds, NeedsBigProcessLock::No) \
S(get_thread_name, NeedsBigProcessLock::No) \
S(getcwd, NeedsBigProcessLock::No) \
S(getegid, NeedsBigProcessLock::No) \
S(geteuid, NeedsBigProcessLock::No) \
S(getgid, NeedsBigProcessLock::No) \
S(getgroups, NeedsBigProcessLock::No) \
S(gethostname, NeedsBigProcessLock::No) \
S(getkeymap, NeedsBigProcessLock::No) \
S(getpeername, NeedsBigProcessLock::Yes) \
S(getpgid, NeedsBigProcessLock::No) \
S(getpgrp, NeedsBigProcessLock::No) \
S(getpid, NeedsBigProcessLock::No) \
S(getppid, NeedsBigProcessLock::No) \
S(getrandom, NeedsBigProcessLock::No) \
S(getresgid, NeedsBigProcessLock::No) \
S(getresuid, NeedsBigProcessLock::No) \
S(getrusage, NeedsBigProcessLock::No) \
S(getsid, NeedsBigProcessLock::No) \
S(getsockname, NeedsBigProcessLock::Yes) \
S(getsockopt, NeedsBigProcessLock::No) \
S(gettid, NeedsBigProcessLock::No) \
S(getuid, NeedsBigProcessLock::No) \
S(inode_watcher_add_watch, NeedsBigProcessLock::Yes) \
S(inode_watcher_remove_watch, NeedsBigProcessLock::Yes) \
S(ioctl, NeedsBigProcessLock::Yes) \
S(join_thread, NeedsBigProcessLock::Yes) \
S(jail_create, NeedsBigProcessLock::No) \
S(jail_attach, NeedsBigProcessLock::No) \
S(kill, NeedsBigProcessLock::No) \
S(kill_thread, NeedsBigProcessLock::Yes) \
S(killpg, NeedsBigProcessLock::No) \
S(link, NeedsBigProcessLock::No) \
S(listen, NeedsBigProcessLock::No) \
S(lseek, NeedsBigProcessLock::No) \
S(madvise, NeedsBigProcessLock::Yes) \
S(map_time_page, NeedsBigProcessLock::Yes) \
S(mkdir, NeedsBigProcessLock::No) \
S(mknod, NeedsBigProcessLock::No) \
S(mmap, NeedsBigProcessLock::Yes) \
S(mount, NeedsBigProcessLock::Yes) \
S(mprotect, NeedsBigProcessLock::Yes) \
S(mremap, NeedsBigProcessLock::Yes) \
S(msync, NeedsBigProcessLock::Yes) \
S(munmap, NeedsBigProcessLock::Yes) \
S(open, NeedsBigProcessLock::No) \
S(perf_event, NeedsBigProcessLock::Yes) \
S(perf_register_string, NeedsBigProcessLock::Yes) \
S(pipe, NeedsBigProcessLock::No) \
S(pledge, NeedsBigProcessLock::No) \
S(poll, NeedsBigProcessLock::Yes) \
S(posix_fallocate, NeedsBigProcessLock::No) \
S(prctl, NeedsBigProcessLock::No) \
S(profiling_disable, NeedsBigProcessLock::Yes) \
S(profiling_enable, NeedsBigProcessLock::Yes) \
S(profiling_free_buffer, NeedsBigProcessLock::Yes) \
S(ptrace, NeedsBigProcessLock::Yes) \
S(purge, NeedsBigProcessLock::Yes) \
S(read, NeedsBigProcessLock::Yes) \
S(pread, NeedsBigProcessLock::Yes) \
S(readlink, NeedsBigProcessLock::No) \
S(readv, NeedsBigProcessLock::Yes) \
S(realpath, NeedsBigProcessLock::No) \
S(recvfd, NeedsBigProcessLock::No) \
S(recvmsg, NeedsBigProcessLock::Yes) \
S(rename, NeedsBigProcessLock::No) \
S(rmdir, NeedsBigProcessLock::No) \
S(scheduler_get_parameters, NeedsBigProcessLock::No) \
S(scheduler_set_parameters, NeedsBigProcessLock::No) \
S(sendfd, NeedsBigProcessLock::No) \
S(sendmsg, NeedsBigProcessLock::Yes) \
S(set_mmap_name, NeedsBigProcessLock::Yes) \
S(set_thread_name, NeedsBigProcessLock::No) \
S(setegid, NeedsBigProcessLock::No) \
S(seteuid, NeedsBigProcessLock::No) \
S(setgid, NeedsBigProcessLock::No) \
S(setgroups, NeedsBigProcessLock::No) \
S(sethostname, NeedsBigProcessLock::No) \
S(setkeymap, NeedsBigProcessLock::No) \
S(setpgid, NeedsBigProcessLock::Yes) \
S(setregid, NeedsBigProcessLock::No) \
S(setresgid, NeedsBigProcessLock::No) \
S(setresuid, NeedsBigProcessLock::No) \
S(setreuid, NeedsBigProcessLock::No) \
S(setsid, NeedsBigProcessLock::Yes) \
S(setsockopt, NeedsBigProcessLock::No) \
S(setuid, NeedsBigProcessLock::No) \
S(shutdown, NeedsBigProcessLock::No) \
S(sigaction, NeedsBigProcessLock::Yes) \
S(sigaltstack, NeedsBigProcessLock::Yes) \
S(sigpending, NeedsBigProcessLock::No) \
S(sigprocmask, NeedsBigProcessLock::No) \
S(sigreturn, NeedsBigProcessLock::No) \
S(sigsuspend, NeedsBigProcessLock::No) \
S(sigtimedwait, NeedsBigProcessLock::No) \
S(socket, NeedsBigProcessLock::No) \
S(socketpair, NeedsBigProcessLock::No) \
S(stat, NeedsBigProcessLock::No) \
S(statvfs, NeedsBigProcessLock::No) \
S(symlink, NeedsBigProcessLock::No) \
S(sync, NeedsBigProcessLock::No) \
S(sysconf, NeedsBigProcessLock::No) \
S(times, NeedsBigProcessLock::No) \
S(umask, NeedsBigProcessLock::No) \
S(umount, NeedsBigProcessLock::Yes) \
S(uname, NeedsBigProcessLock::No) \
S(unlink, NeedsBigProcessLock::No) \
S(unveil, NeedsBigProcessLock::No) \
S(utime, NeedsBigProcessLock::No) \
S(utimensat, NeedsBigProcessLock::No) \
S(waitid, NeedsBigProcessLock::Yes) \
S(write, NeedsBigProcessLock::Yes) \
S(pwritev, NeedsBigProcessLock::Yes) \
#define ENUMERATE_SYSCALLS(S) \
S(accept4, NeedsBigProcessLock::No) \
S(adjtime, NeedsBigProcessLock::No) \
S(alarm, NeedsBigProcessLock::No) \
S(allocate_tls, NeedsBigProcessLock::Yes) \
S(anon_create, NeedsBigProcessLock::No) \
S(annotate_mapping, NeedsBigProcessLock::No) \
S(beep, NeedsBigProcessLock::No) \
S(bind, NeedsBigProcessLock::No) \
S(chdir, NeedsBigProcessLock::No) \
S(chmod, NeedsBigProcessLock::No) \
S(chown, NeedsBigProcessLock::No) \
S(clock_gettime, NeedsBigProcessLock::No) \
S(clock_nanosleep, NeedsBigProcessLock::No) \
S(clock_getres, NeedsBigProcessLock::No) \
S(clock_settime, NeedsBigProcessLock::No) \
S(close, NeedsBigProcessLock::No) \
S(connect, NeedsBigProcessLock::No) \
S(create_inode_watcher, NeedsBigProcessLock::No) \
S(create_thread, NeedsBigProcessLock::Yes) \
S(dbgputstr, NeedsBigProcessLock::No) \
S(detach_thread, NeedsBigProcessLock::Yes) \
S(disown, NeedsBigProcessLock::No) \
S(dump_backtrace, NeedsBigProcessLock::No) \
S(dup2, NeedsBigProcessLock::No) \
S(emuctl, NeedsBigProcessLock::No) \
S(execve, NeedsBigProcessLock::Yes) \
S(exit, NeedsBigProcessLock::Yes) \
S(exit_thread, NeedsBigProcessLock::Yes) \
S(faccessat, NeedsBigProcessLock::Yes) \
S(fchdir, NeedsBigProcessLock::No) \
S(fchmod, NeedsBigProcessLock::No) \
S(fchown, NeedsBigProcessLock::No) \
S(fcntl, NeedsBigProcessLock::No) \
S(fork, NeedsBigProcessLock::Yes) \
S(fstat, NeedsBigProcessLock::No) \
S(fstatvfs, NeedsBigProcessLock::No) \
S(fsync, NeedsBigProcessLock::No) \
S(ftruncate, NeedsBigProcessLock::No) \
S(futex, NeedsBigProcessLock::Yes) \
S(get_dir_entries, NeedsBigProcessLock::Yes) \
S(get_root_session_id, NeedsBigProcessLock::No) \
S(get_stack_bounds, NeedsBigProcessLock::No) \
S(get_thread_name, NeedsBigProcessLock::No) \
S(getcwd, NeedsBigProcessLock::No) \
S(getegid, NeedsBigProcessLock::No) \
S(geteuid, NeedsBigProcessLock::No) \
S(getgid, NeedsBigProcessLock::No) \
S(getgroups, NeedsBigProcessLock::No) \
S(gethostname, NeedsBigProcessLock::No) \
S(getkeymap, NeedsBigProcessLock::No) \
S(getpeername, NeedsBigProcessLock::Yes) \
S(getpgid, NeedsBigProcessLock::No) \
S(getpgrp, NeedsBigProcessLock::No) \
S(getpid, NeedsBigProcessLock::No) \
S(getppid, NeedsBigProcessLock::No) \
S(getrandom, NeedsBigProcessLock::No) \
S(getresgid, NeedsBigProcessLock::No) \
S(getresuid, NeedsBigProcessLock::No) \
S(getrusage, NeedsBigProcessLock::No) \
S(getsid, NeedsBigProcessLock::No) \
S(getsockname, NeedsBigProcessLock::Yes) \
S(getsockopt, NeedsBigProcessLock::No) \
S(gettid, NeedsBigProcessLock::No) \
S(getuid, NeedsBigProcessLock::No) \
S(inode_watcher_add_watch, NeedsBigProcessLock::No) \
S(inode_watcher_remove_watch, NeedsBigProcessLock::No) \
S(ioctl, NeedsBigProcessLock::Yes) \
S(join_thread, NeedsBigProcessLock::Yes) \
S(jail_create, NeedsBigProcessLock::No) \
S(jail_attach, NeedsBigProcessLock::No) \
S(kill, NeedsBigProcessLock::No) \
S(kill_thread, NeedsBigProcessLock::Yes) \
S(killpg, NeedsBigProcessLock::No) \
S(link, NeedsBigProcessLock::No) \
S(listen, NeedsBigProcessLock::No) \
S(lseek, NeedsBigProcessLock::No) \
S(madvise, NeedsBigProcessLock::Yes) \
S(map_time_page, NeedsBigProcessLock::Yes) \
S(mkdir, NeedsBigProcessLock::No) \
S(mknod, NeedsBigProcessLock::No) \
S(mmap, NeedsBigProcessLock::Yes) \
S(mount, NeedsBigProcessLock::Yes) \
S(mprotect, NeedsBigProcessLock::Yes) \
S(mremap, NeedsBigProcessLock::Yes) \
S(msync, NeedsBigProcessLock::Yes) \
S(munmap, NeedsBigProcessLock::Yes) \
S(open, NeedsBigProcessLock::No) \
S(perf_event, NeedsBigProcessLock::Yes) \
S(perf_register_string, NeedsBigProcessLock::Yes) \
S(pipe, NeedsBigProcessLock::No) \
S(pledge, NeedsBigProcessLock::No) \
S(poll, NeedsBigProcessLock::Yes) \
S(posix_fallocate, NeedsBigProcessLock::No) \
S(prctl, NeedsBigProcessLock::No) \
S(profiling_disable, NeedsBigProcessLock::Yes) \
S(profiling_enable, NeedsBigProcessLock::Yes) \
S(profiling_free_buffer, NeedsBigProcessLock::Yes) \
S(ptrace, NeedsBigProcessLock::Yes) \
S(purge, NeedsBigProcessLock::Yes) \
S(read, NeedsBigProcessLock::Yes) \
S(pread, NeedsBigProcessLock::Yes) \
S(readlink, NeedsBigProcessLock::No) \
S(readv, NeedsBigProcessLock::Yes) \
S(realpath, NeedsBigProcessLock::No) \
S(recvfd, NeedsBigProcessLock::No) \
S(recvmsg, NeedsBigProcessLock::Yes) \
S(rename, NeedsBigProcessLock::No) \
S(rmdir, NeedsBigProcessLock::No) \
S(scheduler_get_parameters, NeedsBigProcessLock::No) \
S(scheduler_set_parameters, NeedsBigProcessLock::No) \
S(sendfd, NeedsBigProcessLock::No) \
S(sendmsg, NeedsBigProcessLock::Yes) \
S(set_mmap_name, NeedsBigProcessLock::Yes) \
S(set_thread_name, NeedsBigProcessLock::No) \
S(setegid, NeedsBigProcessLock::No) \
S(seteuid, NeedsBigProcessLock::No) \
S(setgid, NeedsBigProcessLock::No) \
S(setgroups, NeedsBigProcessLock::No) \
S(sethostname, NeedsBigProcessLock::No) \
S(setkeymap, NeedsBigProcessLock::No) \
S(setpgid, NeedsBigProcessLock::Yes) \
S(setregid, NeedsBigProcessLock::No) \
S(setresgid, NeedsBigProcessLock::No) \
S(setresuid, NeedsBigProcessLock::No) \
S(setreuid, NeedsBigProcessLock::No) \
S(setsid, NeedsBigProcessLock::Yes) \
S(setsockopt, NeedsBigProcessLock::No) \
S(setuid, NeedsBigProcessLock::No) \
S(shutdown, NeedsBigProcessLock::No) \
S(sigaction, NeedsBigProcessLock::Yes) \
S(sigaltstack, NeedsBigProcessLock::Yes) \
S(sigpending, NeedsBigProcessLock::No) \
S(sigprocmask, NeedsBigProcessLock::No) \
S(sigreturn, NeedsBigProcessLock::No) \
S(sigsuspend, NeedsBigProcessLock::No) \
S(sigtimedwait, NeedsBigProcessLock::No) \
S(socket, NeedsBigProcessLock::No) \
S(socketpair, NeedsBigProcessLock::No) \
S(stat, NeedsBigProcessLock::No) \
S(statvfs, NeedsBigProcessLock::No) \
S(symlink, NeedsBigProcessLock::No) \
S(sync, NeedsBigProcessLock::No) \
S(sysconf, NeedsBigProcessLock::No) \
S(times, NeedsBigProcessLock::No) \
S(umask, NeedsBigProcessLock::No) \
S(umount, NeedsBigProcessLock::Yes) \
S(uname, NeedsBigProcessLock::No) \
S(unlink, NeedsBigProcessLock::No) \
S(unveil, NeedsBigProcessLock::No) \
S(utime, NeedsBigProcessLock::No) \
S(utimensat, NeedsBigProcessLock::No) \
S(waitid, NeedsBigProcessLock::Yes) \
S(write, NeedsBigProcessLock::Yes) \
S(pwritev, NeedsBigProcessLock::Yes) \
S(yield, NeedsBigProcessLock::No)
namespace Syscall {