Kernel: Disable big process lock for sys$getrandom

This syscall doesn't touch any intra-process shared resources and already holds the global kernel RNG lock so there's no reason to hold the big lock.
Author: https://github.com/IdanHo Commit: 48325e2959 Pull-request: https://github.com/SerenityOS/serenity/pull/9236 Reviewed-by: https://github.com/tomuta ✅
2025-08-15 23:09:05 +00:00 · 2021-08-06 14:43:02 +03:00 · 2021-08-06 14:43:02 +03:00 · 48325e2959 · 2024-07-18 07:23:43 +09:00
commit 48325e2959
parent b1f4f6ee15
2 changed files with 2 additions and 2 deletions
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@ -154,7 +154,7 @@ enum class NeedsBigProcessLock {
    S(realpath, NeedsBigProcessLock::Yes)                   \
    S(get_process_name, NeedsBigProcessLock::Yes)           \
    S(fchdir, NeedsBigProcessLock::Yes)                     \
-    S(getrandom, NeedsBigProcessLock::Yes)                  \
+    S(getrandom, NeedsBigProcessLock::No)                   \
    S(getkeymap, NeedsBigProcessLock::Yes)                  \
    S(setkeymap, NeedsBigProcessLock::Yes)                  \
    S(clock_gettime, NeedsBigProcessLock::Yes)              \