linux-kernel - [PATCH] cpu/speculation: Add prototype for cpu_show

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Message-Id: <20200617141410.93338-1-linux@roeck-us.net>
Date:   Wed, 17 Jun 2020 07:14:10 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, Borislav Petkov <bp@...e.de>,
        Mark Gross <mgross@...ux.intel.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH] 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'

Reported-by: kernel test robot <lkp@...el.com>
Fixes: 7e5b3c267d25 ("x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation")
Signed-off-by: Guenter Roeck <linux@...ck-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