Kernel: Guard the all processes list with a Spinlock rather than a Mutex

There are callers of processes().with or processes().for_each that
require interrupts to be disabled. Taking a Mutexe with interrupts
disabled is a recipe for deadlock, so convert this to a Spinlock.

1 files changed, 1 insertions, 1 deletions

diff --git a/Kernel/Syscalls/kill.cpp b/Kernel/Syscalls/kill.cpp
index 4033348e94..24339516db 100644
--- a/Kernel/Syscalls/kill.cpp
+++ b/Kernel/Syscalls/kill.cpp
@@ -65,7 +65,7 @@ KResult Process::do_killall(int signal)
     KResult error = KSuccess;
 
     // Send the signal to all processes we have access to for.
-    processes().for_each_shared([&](auto& process) {
+    processes().for_each([&](auto& process) {
         KResult res = KSuccess;
         if (process.pid() == pid())
             res = do_killself(signal);