Kernel: Mark sys$msync as not needing the big lock

All accesses to shared mutable data are already serialized behind the process address space spinlock.
Author: https://github.com/IdanHo Commit: 3f89a1b131 Pull-request: https://github.com/SerenityOS/serenity/pull/18178 Reviewed-by: https://github.com/awesomekling ✅
2025-07-29 20:29:18 +00:00 · 2023-04-04 14:16:24 +03:00 · 2023-04-04 14:16:24 +03:00 · 3f89a1b131 · 2024-07-17 06:00:02 +09:00
commit 3f89a1b131
parent 1dae6a2e4a
2 changed files with 2 additions and 1 deletions
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@ -129,7 +129,7 @@ enum class NeedsBigProcessLock {
    S(mount, NeedsBigProcessLock::Yes)                     \
    S(mprotect, NeedsBigProcessLock::No)                   \
    S(mremap, NeedsBigProcessLock::No)                     \
-    S(msync, NeedsBigProcessLock::Yes)                     \
+    S(msync, NeedsBigProcessLock::No)                      \
    S(munmap, NeedsBigProcessLock::No)                     \
    S(open, NeedsBigProcessLock::No)                       \
    S(perf_event, NeedsBigProcessLock::Yes)                \