1 files changed, 6 insertions, 8 deletions

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 5776dc270297..48b399bd6e0d 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -284,12 +284,11 @@ static void xen_set_ldt(const void *addr, unsigned entries)
 
 static void xen_load_gdt(const struct desc_ptr *dtr)
 {
-        unsigned long *frames;
         unsigned long va = dtr->address;
         unsigned int size = dtr->size + 1;
         unsigned pages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
+        unsigned long frames[pages];
         int f;
-        struct multicall_space mcs;
 
         /* A GDT can be up to 64k in size, which corresponds to 8192
            8-byte entries, or 16 4k pages.. */
@@ -297,9 +296,6 @@ static void xen_load_gdt(const struct desc_ptr *dtr)
         BUG_ON(size > 65536);
         BUG_ON(va & ~PAGE_MASK);
 
-        mcs = xen_mc_entry(sizeof(*frames) * pages);
-        frames = mcs.args;
-
         for (f = 0; va < dtr->address + size; va += PAGE_SIZE, f++) {
                 int level;
                 pte_t *ptep = lookup_address(va, &level);
@@ -314,13 +310,15 @@ static void xen_load_gdt(const struct desc_ptr *dtr)
 
                 frames[f] = mfn;
 
+                printk("xen_load_gdt: %d va=%p mfn=%lx pfn=%lx va'=%p\n",
+                       f, (void *)va, mfn, pfn, virt);
+
                 make_lowmem_page_readonly((void *)va);
                 make_lowmem_page_readonly(virt);
         }
 
-        MULTI_set_gdt(mcs.mc, frames, size / sizeof(struct desc_struct));
-
-        xen_mc_issue(PARAVIRT_LAZY_CPU);
+        if (HYPERVISOR_set_gdt(frames, size / sizeof(struct desc_struct)))
+                BUG();
 }
 
 static void load_TLS_descriptor(struct thread_struct *t,