Merge branch 'x86/core' into core/percpu

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

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index c52f4034c7fdeed1d970278a05d12aa0d1cd4250..82cd39a6cbd3a116b83c5ce1cf30cae0214991f6 100644 (file)
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -103,7 +103,7 @@ static void xen_vcpu_setup(int cpu)
 
        vcpup = &per_cpu(xen_vcpu_info, cpu);
 
-       info.mfn = virt_to_mfn(vcpup);
+       info.mfn = arbitrary_virt_to_mfn(vcpup);
        info.offset = offset_in_page(vcpup);
 
        printk(KERN_DEBUG "trying to map vcpu_info %d at %p, mfn %llx, offset %d\n",
@@ -301,8 +301,10 @@ static void xen_load_gdt(const struct desc_ptr *dtr)
        frames = mcs.args;
 
        for (f = 0; va < dtr->address + size; va += PAGE_SIZE, f++) {
-               frames[f] = virt_to_mfn(va);
+               frames[f] = arbitrary_virt_to_mfn((void *)va);
+
                make_lowmem_page_readonly((void *)va);
+               make_lowmem_page_readonly(mfn_to_virt(frames[f]));
        }
 
        MULTI_set_gdt(mcs.mc, frames, size / sizeof(struct desc_struct));
@@ -314,7 +316,7 @@ static void load_TLS_descriptor(struct thread_struct *t,
                                unsigned int cpu, unsigned int i)
 {
        struct desc_struct *gdt = get_cpu_gdt_table(cpu);
-       xmaddr_t maddr = virt_to_machine(&gdt[GDT_ENTRY_TLS_MIN+i]);
+       xmaddr_t maddr = arbitrary_virt_to_machine(&gdt[GDT_ENTRY_TLS_MIN+i]);
        struct multicall_space mc = __xen_mc_entry(0);
 
        MULTI_update_descriptor(mc.mc, maddr.maddr, t->tls_array[i]);
@@ -488,7 +490,7 @@ static void xen_write_gdt_entry(struct desc_struct *dt, int entry,
                break;
 
        default: {
-               xmaddr_t maddr = virt_to_machine(&dt[entry]);
+               xmaddr_t maddr = arbitrary_virt_to_machine(&dt[entry]);
 
                xen_mc_flush();
                if (HYPERVISOR_update_descriptor(maddr.maddr, *(u64 *)desc))