linux-kernel - [PATCH 3/4] Add generic stubs for kvm stop check functions

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Date:	Mon, 29 Aug 2011 17:27:14 -0600
From:	Eric B Munson <emunson@...bm.net>
To:	avi@...hat.com
Cc:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, arnd@...db.de,
	mtosatti@...hat.com, riel@...hat.com, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	kvm-ppc@...r.kernel.org, aliguori@...ibm.com, raharper@...ibm.com,
	kvm-ia64@...r.kernel.org, Eric B Munson <emunson@...bm.net>
Subject: [PATCH 3/4] Add generic stubs for kvm stop check functions

This function is called from the watchdog code when a soft lockup is detected.
If this is an arch that does not support pvclock, this function is used.

Signed-off-by: Eric B Munson <emunson@...bm.net>
---
 include/asm-generic/pvclock.h |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
 create mode 100644 include/asm-generic/pvclock.h

diff --git a/include/asm-generic/pvclock.h b/include/asm-generic/pvclock.h
new file mode 100644
index 0000000..ff046b6
--- /dev/null
+++ b/include/asm-generic/pvclock.h
@@ -0,0 +1,14 @@
+#ifndef _ASM_GENERIC_PVCLOCK_H
+#define _ASM_GENERIC_PVCLOCK_H
+
+
+/*
+ * These functions are used by architectures that support kvm to avoid issuing
+ * false soft lockup messages.
+ */
+static inline bool kvm_check_and_clear_host_stopped(int cpu)
+{
+	return false;
+}
+
+#endif
-- 
1.7.4.1

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