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: Janosch Frank <frankja@linux.ibm.com>
Fixes:
37564ed834ac ("s390/uv: add prot virt guest/host indication files")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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 =