xen: drop kexec bits from /sys/hypervisor since kexec isn't implemented yet

I needed this to compile since there is no kexec yet in pvops kernel
  CC      drivers/xen/sys-hypervisor.o
drivers/xen/sys-hypervisor.c: In function 'hyper_sysfs_init':
drivers/xen/sys-hypervisor.c:405: error: 'vmcoreinfo_size_xen' undeclared (first use in this function)
drivers/xen/sys-hypervisor.c:405: error: (Each undeclared identifier is reported only once
drivers/xen/sys-hypervisor.c:405: error: for each function it appears in.)
drivers/xen/sys-hypervisor.c:406: error: implicit declaration of function 'xen_sysfs_vmcoreinfo_init'
drivers/xen/sys-hypervisor.c: In function 'hyper_sysfs_exit':
drivers/xen/sys-hypervisor.c:433: error: 'vmcoreinfo_size_xen' undeclared (first use in this function)
drivers/xen/sys-hypervisor.c:434: error: implicit declaration of function 'xen_sysfs_vmcoreinfo_destroy'

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
index 1267d6f..88a60e0 100644 (file)
--- a/drivers/xen/sys-hypervisor.c
+++ b/drivers/xen/sys-hypervisor.c
@@ -353,32 +353,6 @@ static void xen_properties_destroy(void)
        sysfs_remove_group(hypervisor_kobj, &xen_properties_group);
 }
 
-#ifdef CONFIG_KEXEC
-
-extern size_t vmcoreinfo_size_xen;
-extern unsigned long paddr_vmcoreinfo_xen;
-
-static ssize_t vmcoreinfo_show(struct hyp_sysfs_attr *attr, char *page)
-{
-       return sprintf(page, "%lx %zx\n",
-               paddr_vmcoreinfo_xen, vmcoreinfo_size_xen);
-}
-
-HYPERVISOR_ATTR_RO(vmcoreinfo);
-
-static int __init xen_sysfs_vmcoreinfo_init(void)
-{
-       return sysfs_create_file(hypervisor_kobj,
-                                &vmcoreinfo_attr.attr);
-}
-
-static void xen_sysfs_vmcoreinfo_destroy(void)
-{
-       sysfs_remove_file(hypervisor_kobj, &vmcoreinfo_attr.attr);
-}
-
-#endif
-
 static int __init hyper_sysfs_init(void)
 {
        int ret;
@@ -401,20 +375,9 @@ static int __init hyper_sysfs_init(void)
        ret = xen_properties_init();
        if (ret)
                goto prop_out;
-#ifdef CONFIG_KEXEC
-       if (vmcoreinfo_size_xen != 0) {
-               ret = xen_sysfs_vmcoreinfo_init();
-               if (ret)
-                       goto vmcoreinfo_out;
-       }
-#endif
 
        goto out;
 
-#ifdef CONFIG_KEXEC
-vmcoreinfo_out:
-#endif
-       xen_properties_destroy();
 prop_out:
        xen_sysfs_uuid_destroy();
 uuid_out:
@@ -429,10 +392,6 @@ out:
 
 static void __exit hyper_sysfs_exit(void)
 {
-#ifdef CONFIG_KEXEC
-       if (vmcoreinfo_size_xen != 0)
-               xen_sysfs_vmcoreinfo_destroy();
-#endif
        xen_properties_destroy();
        xen_compilation_destroy();
        xen_sysfs_uuid_destroy();