Kernel: Lock needs to call Processor::wait_check while looping

We need to process SMP messages while looping.
Author: https://github.com/tomuta Commit: a14884dd33 Pull-request: https://github.com/SerenityOS/serenity/pull/4042
2025-08-07 00:29:15 +00:00 · 2020-10-26 16:48:51 -06:00 · 2020-10-26 16:48:51 -06:00 · a14884dd33 · 2024-07-19 01:27:05 +09:00
commit a14884dd33
parent 72d019f4a4
1 changed files with 3 additions and 0 deletions
--- a/Kernel/Lock.cpp
+++ b/Kernel/Lock.cpp
@ -80,6 +80,9 @@ void Lock::lock(Mode mode)

            // Note, we may now be on a different CPU!
            Processor::current().restore_critical(prev_crit, prev_flags);
+        } else {
+            // We need to process e.g. smp messages
+            Processor::wait_check();
        }
    }
 }