From 4ae93179f16a31ac44ec817bd57daf6d833fab22 Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Sat, 9 Apr 2022 23:06:04 +0300
Subject: [PATCH] Kernel: Remove big lock from sys$symlink

This syscall doesn't access any unprotected shared data.
---
 Kernel/API/Syscall.h     | 2 +-
 Kernel/Syscalls/link.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h
index 14093bfd4a..597ff46276 100644
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@@ -176,7 +176,7 @@ enum class NeedsBigProcessLock {
     S(socketpair, NeedsBigProcessLock::Yes)                 \
     S(stat, NeedsBigProcessLock::No)                        \
     S(statvfs, NeedsBigProcessLock::Yes)                    \
-    S(symlink, NeedsBigProcessLock::Yes)                    \
+    S(symlink, NeedsBigProcessLock::No)                     \
     S(sync, NeedsBigProcessLock::No)                        \
     S(sysconf, NeedsBigProcessLock::No)                     \
     S(times, NeedsBigProcessLock::Yes)                      \
diff --git a/Kernel/Syscalls/link.cpp b/Kernel/Syscalls/link.cpp
index 48a937568c..fea3c69f00 100644
--- a/Kernel/Syscalls/link.cpp
+++ b/Kernel/Syscalls/link.cpp
@@ -23,7 +23,7 @@ ErrorOr<FlatPtr> Process::sys$link(Userspace<Syscall::SC_link_params const*> use
 
 ErrorOr<FlatPtr> Process::sys$symlink(Userspace<Syscall::SC_symlink_params const*> user_params)
 {
-    VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
+    VERIFY_NO_PROCESS_BIG_LOCK(this)
     TRY(require_promise(Pledge::cpath));
     auto params = TRY(copy_typed_from_user(user_params));