Merge branch 'bzip2-lzma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-omap-h63xx.git] / arch / x86 / xen / smp.c

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 035582ae815dcaa581f2931d93b0fb88394dacb0..585a6e330837ffb3a9e37d50be37f93e169832e1 100644 (file)
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -158,7 +158,7 @@ static void __init xen_fill_possible_map(void)
                rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
                if (rc >= 0) {
                        num_processors++;
-                       cpu_set(i, cpu_possible_map);
+                       set_cpu_possible(i, true);
                }
        }
 }
@@ -197,7 +197,7 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
        while ((num_possible_cpus() > 1) && (num_possible_cpus() > max_cpus)) {
                for (cpu = nr_cpu_ids - 1; !cpu_possible(cpu); cpu--)
                        continue;
-               cpu_clear(cpu, cpu_possible_map);
+               set_cpu_possible(cpu, false);
        }
 
        for_each_possible_cpu (cpu) {
@@ -210,7 +210,7 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
                if (IS_ERR(idle))
                        panic("failed fork for CPU %d", cpu);
 
-               cpu_set(cpu, cpu_present_map);
+               set_cpu_present(cpu, true);
        }
 }
 
@@ -219,6 +219,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
 {
        struct vcpu_guest_context *ctxt;
        struct desc_struct *gdt;
+       unsigned long gdt_mfn;
 
        if (cpumask_test_and_set_cpu(cpu, xen_cpu_initialized_map))
                return 0;
@@ -248,9 +249,12 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
        ctxt->ldt_ents = 0;
 
        BUG_ON((unsigned long)gdt & ~PAGE_MASK);
+
+       gdt_mfn = arbitrary_virt_to_mfn(gdt);
        make_lowmem_page_readonly(gdt);
+       make_lowmem_page_readonly(mfn_to_virt(gdt_mfn));
 
-       ctxt->gdt_frames[0] = virt_to_mfn(gdt);
+       ctxt->gdt_frames[0] = gdt_mfn;
        ctxt->gdt_ents      = GDT_ENTRIES;
 
        ctxt->user_regs.cs = __KERNEL_CS;