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-rw-r--r--arch/x86/xen/enlighten.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index ec1d5c46e58f..08faa61de5f7 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -710,7 +710,7 @@ static void load_TLS_descriptor(struct thread_struct *t,
*shadow = t->tls_array[i];
- gdt = get_cpu_gdt_table(cpu);
+ gdt = get_cpu_gdt_rw(cpu);
maddr = arbitrary_virt_to_machine(&gdt[GDT_ENTRY_TLS_MIN+i]);
mc = __xen_mc_entry(0);
@@ -1545,6 +1545,9 @@ asmlinkage __visible void __init xen_start_kernel(void)
*/
xen_initial_gdt = &per_cpu(gdt_page, 0);
+ /* GDT can only be remapped RO */
+ pg_fixmap_gdt_flags = PAGE_KERNEL_RO;
+
xen_smp_init();
#ifdef CONFIG_ACPI_NUMA