Commit df2e400e authored by Janosch Frank's avatar Janosch Frank Committed by Heiko Carstens
Browse files

s390/uv: fix prot virt host indication compilation 



prot_virt_host is only available if CONFIG_KVM is enabled. So lets use
a variable initialized to zero and overwrite it when that config
option is set with prot_virt_host.

Signed-off-by: default avatarJanosch Frank <frankja@linux.ibm.com>
Fixes: 37564ed8 ("s390/uv: add prot virt guest/host indication files")
Reported-by: default avatarkernel test robot <lkp@intel.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 5671d971

arch/s390/kernel/uv.c

+7 −1
Original line number Diff line number Diff line
@@ -420,7 +420,13 @@ static ssize_t uv_is_prot_virt_guest(struct kobject *kobj, 
static ssize_t uv_is_prot_virt_host(struct kobject *kobj,

				    struct kobj_attribute *attr, char *page)

{

	return scnprintf(page, PAGE_SIZE, "%d\n", prot_virt_host);

	int val = 0;



#if IS_ENABLED(CONFIG_KVM)

	val = prot_virt_host;

#endif



	return scnprintf(page, PAGE_SIZE, "%d\n", val);

}



static struct kobj_attribute uv_prot_virt_guest =