From 48325e29598cc79aaccf9fa3992cbca7aeff9bf3 Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Fri, 6 Aug 2021 14:43:02 +0300
Subject: 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.
---
 Kernel/Syscalls/getrandom.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Kernel/Syscalls/getrandom.cpp')

diff --git a/Kernel/Syscalls/getrandom.cpp b/Kernel/Syscalls/getrandom.cpp
index 7dca359907..942ffd0202 100644
--- a/Kernel/Syscalls/getrandom.cpp
+++ b/Kernel/Syscalls/getrandom.cpp
@@ -15,7 +15,7 @@ namespace Kernel {
 // do, we should be able of the caveats that Linux has dealt with.
 KResultOr<FlatPtr> Process::sys$getrandom(Userspace<void*> buffer, size_t buffer_size, [[maybe_unused]] unsigned flags)
 {
-    VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
+    VERIFY_NO_PROCESS_BIG_LOCK(this);
     REQUIRE_PROMISE(stdio);
     if (buffer_size > NumericLimits<ssize_t>::max())
         return EINVAL;
-- 
cgit v1.2.3