From 35b2e9c663ecb835679d1d29e032097107315fd4 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 22 Aug 2022 13:16:00 +0200
Subject: [PATCH] Kernel: Make sys$mknod() not take the big lock

---
 Kernel/API/Syscall.h      | 2 +-
 Kernel/Syscalls/mknod.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h
index dd88bddd83..8355fd3ac2 100644
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@@ -115,7 +115,7 @@ enum class NeedsBigProcessLock {
     S(madvise, NeedsBigProcessLock::Yes)                    \
     S(map_time_page, NeedsBigProcessLock::Yes)              \
     S(mkdir, NeedsBigProcessLock::No)                       \
-    S(mknod, NeedsBigProcessLock::Yes)                      \
+    S(mknod, NeedsBigProcessLock::No)                       \
     S(mmap, NeedsBigProcessLock::Yes)                       \
     S(mount, NeedsBigProcessLock::Yes)                      \
     S(mprotect, NeedsBigProcessLock::Yes)                   \
diff --git a/Kernel/Syscalls/mknod.cpp b/Kernel/Syscalls/mknod.cpp
index 3b3b58215e..eeffdd72cd 100644
--- a/Kernel/Syscalls/mknod.cpp
+++ b/Kernel/Syscalls/mknod.cpp
@@ -12,7 +12,7 @@ namespace Kernel {
 
 ErrorOr<FlatPtr> Process::sys$mknod(Userspace<Syscall::SC_mknod_params const*> user_params)
 {
-    VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
+    VERIFY_NO_PROCESS_BIG_LOCK(this);
     TRY(require_promise(Pledge::dpath));
     auto params = TRY(copy_typed_from_user(user_params));