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Kernel: Remove big lock from sys$unlink

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This syscall doesn't access any unprotected shared data.
This commit is contained in:
Idan Horowitz 2022-04-09 23:03:24 +03:00 • committed by Andreas Kling
commit fa360f7d88
Notes: sideshowbarker 2024-07-17 23:00:03 +09:00
2 changed files with 2 additions and 2 deletions
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2
Kernel/API/Syscall.h
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@ -183,7 +183,7 @@ enum class NeedsBigProcessLock {
S(umask, NeedsBigProcessLock::Yes) \
S(umount, NeedsBigProcessLock::Yes) \
S(uname, NeedsBigProcessLock::No) \
S(unlink, NeedsBigProcessLock::Yes) \
S(unlink, NeedsBigProcessLock::No) \
S(unveil, NeedsBigProcessLock::Yes) \
S(utime, NeedsBigProcessLock::Yes) \
S(waitid, NeedsBigProcessLock::Yes) \

2
Kernel/Syscalls/unlink.cpp
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@ -12,7 +12,7 @@ namespace Kernel {
ErrorOr<FlatPtr> Process::sys$unlink(Userspace<char const*> user_path, size_t path_length)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
VERIFY_NO_PROCESS_BIG_LOCK(this)
TRY(require_promise(Pledge::cpath));
auto path = TRY(get_syscall_path_argument(user_path, path_length));
TRY(VirtualFileSystem::the().unlink(path->view(), current_directory()));