[PATCH 4.9 02/20] cpu/speculation: Add prototype for cpu_show_srbds()

[Greg Kroah-Hartman]

From: Guenter Roeck <linux@xxxxxxxxxxxx>

commit 2accfa69050c2a0d6fc6106f609208b3e9622b26 upstream.

0-day is not happy that there is no prototype for cpu_show_srbds():

drivers/base/cpu.c:565:16: error: no previous prototype for 'cpu_show_srbds'

Fixes: 7e5b3c267d25 ("x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20200617141410.93338-1-linux@xxxxxxxxxxxx
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 include/linux/cpu.h |    1 +
 1 file changed, 1 insertion(+)

--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -61,6 +61,7 @@ extern ssize_t cpu_show_tsx_async_abort(
 					char *buf);
 extern ssize_t cpu_show_itlb_multihit(struct device *dev,
 				      struct device_attribute *attr, char *buf);
+extern ssize_t cpu_show_srbds(struct device *dev, struct device_attribute *attr, char *buf);
 
 extern __printf(4, 5)
 struct device *cpu_device_create(struct device *parent, void *drvdata,