Author: hselasky
Date: Mon May 18 09:25:23 2020
New Revision: 361196
URL: https://svnweb.freebsd.org/changeset/base/361196
Log:
MFC r360531:
Implement mutex_lock_killable() in the LinuxKPI.
Submitted by: ashafer_badland.io (Austin Shafer)
Sponsored by: Mellanox Technologies
Modified:
stable/12/sys/compat/linuxkpi/common/include/linux/mutex.h
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/compat/linuxkpi/common/include/linux/mutex.h
==============================================================================
--- stable/12/sys/compat/linuxkpi/common/include/linux/mutex.h Mon May 18
09:24:36 2020 (r361195)
+++ stable/12/sys/compat/linuxkpi/common/include/linux/mutex.h Mon May 18
09:25:23 2020 (r361196)
@@ -66,6 +66,18 @@ typedef struct mutex {
linux_mutex_lock_interruptible(_m); \
})
+/*
+ * Reuse the interruptable method since the SX
+ * lock handles both signals and interrupts:
+ */
+#define mutex_lock_killable(_m) ({ \
+ MUTEX_SKIP() ? 0 : \
+ linux_mutex_lock_interruptible(_m); \
+})
+
+#define mutex_lock_killable_nested(_m, _sub) \
+ mutex_lock_killable(_m)
+
#define mutex_unlock(_m) do { \
if (MUTEX_SKIP()) \
break; \
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