[tip: x86/cleanups] cpu/speculation: Add prototype for cpu_show_srbds()

[tip-bot2 for Guenter Roeck]

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     2accfa69050c2a0d6fc6106f609208b3e9622b26
Gitweb:        https://git.kernel.org/tip/2accfa69050c2a0d6fc6106f609208b3e9622b26
Author:        Guenter Roeck <linux@xxxxxxxxxxxx>
AuthorDate:    Wed, 17 Jun 2020 07:14:10 -07:00
Committer:     Borislav Petkov <bp@xxxxxxx>
CommitterDate: Wed, 17 Jun 2020 17:28:08 +02:00

cpu/speculation: Add prototype for cpu_show_srbds()

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>
Link: https://lkml.kernel.org/r/20200617141410.93338-1-linux@xxxxxxxxxxxx
---
 include/linux/cpu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 5269258..8aa84c0 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,