[PATCH v2 1/2] misc: pvpanic: move bit definition to uapi header file
From: zhenwei pi
Date: Wed Dec 25 2019 - 01:27:21 EST
Some processes outside of the kernel(Ex, QEMU) should know what the
value really is for, so move the bit definition to a uapi file.
Suggested-by: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: zhenwei pi <pizhenwei@xxxxxxxxxxxxx>
---
drivers/misc/pvpanic.c | 3 +--
include/uapi/misc/pvpanic.h | 8 ++++++++
2 files changed, 9 insertions(+), 2 deletions(-)
create mode 100644 include/uapi/misc/pvpanic.h
diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
index 95ff7c5a1dfb..3f0de3be0a19 100644
--- a/drivers/misc/pvpanic.c
+++ b/drivers/misc/pvpanic.c
@@ -15,11 +15,10 @@
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/types.h>
+#include <uapi/misc/pvpanic.h>
static void __iomem *base;
-#define PVPANIC_PANICKED (1 << 0)
-
MODULE_AUTHOR("Hu Tao <hutao@xxxxxxxxxxxxxx>");
MODULE_DESCRIPTION("pvpanic device driver");
MODULE_LICENSE("GPL");
diff --git a/include/uapi/misc/pvpanic.h b/include/uapi/misc/pvpanic.h
new file mode 100644
index 000000000000..cae69a822b25
--- /dev/null
+++ b/include/uapi/misc/pvpanic.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#ifndef __PVPANIC_H__
+#define __PVPANIC_H__
+
+#define PVPANIC_PANICKED (1 << 0)
+
+#endif /* __PVPANIC_H__ */
--
2.11.0