[PATCH] cpu/speculation: Add prototype for cpu_show_srbds

[Guenter Roeck]

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'

Reported-by: kernel test robot <l...@intel.com>
Fixes: 7e5b3c267d25 ("x86/speculation: Add Special Register Buffer Data 
Sampling (SRBDS) mitigation")
Signed-off-by: Guenter Roeck <li...@roeck-us.net>
---
 include/linux/cpu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 52692587f7fe..8aa84c052fdf 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -64,6 +64,7 @@ extern ssize_t cpu_show_tsx_async_abort(struct device *dev,
                                        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,
-- 
2.17.1