From c2372242b17531224b024916072098a92878d411 Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Sat, 9 Apr 2022 23:01:05 +0300
Subject: [PATCH] Kernel: Remove big lock from sys$getsockopt

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

diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h
index 7613ef0821..ac18931dbd 100644
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@@ -99,7 +99,7 @@ enum class NeedsBigProcessLock {
     S(getrusage, NeedsBigProcessLock::Yes)                  \
     S(getsid, NeedsBigProcessLock::Yes)                     \
     S(getsockname, NeedsBigProcessLock::Yes)                \
-    S(getsockopt, NeedsBigProcessLock::Yes)                 \
+    S(getsockopt, NeedsBigProcessLock::No)                  \
     S(gettid, NeedsBigProcessLock::No)                      \
     S(getuid, NeedsBigProcessLock::Yes)                     \
     S(inode_watcher_add_watch, NeedsBigProcessLock::Yes)    \
diff --git a/Kernel/Syscalls/socket.cpp b/Kernel/Syscalls/socket.cpp
index 591c21aa4f..8c76e5164a 100644
--- a/Kernel/Syscalls/socket.cpp
+++ b/Kernel/Syscalls/socket.cpp
@@ -324,7 +324,7 @@ ErrorOr<FlatPtr> Process::sys$getpeername(Userspace<Syscall::SC_getpeername_para
 
 ErrorOr<FlatPtr> Process::sys$getsockopt(Userspace<Syscall::SC_getsockopt_params const*> user_params)
 {
-    VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
+    VERIFY_NO_PROCESS_BIG_LOCK(this)
     auto params = TRY(copy_typed_from_user(user_params));
 
     int sockfd = params.sockfd;