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-rw-r--r--arch/x86_64/lock.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/lock.c b/arch/x86_64/lock.c
index b010ee6..a34cee6 100644
--- a/arch/x86_64/lock.c
+++ b/arch/x86_64/lock.c
@@ -11,6 +11,13 @@ take_mutex(atomic_flag *lock)
}
}
+int
+try_take_mutex(atomic_flag *lock)
+{
+ if(_kernel_panic_unlock) return 1;
+ return atomic_flag_test_and_set(lock);
+}
+
void
release_mutex(atomic_flag *lock)
{