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 @@ -64,6 +64,7 @@ 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,