1 files changed, 12 insertions, 4 deletions

diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index c3b9905af2d5..4c4809f13cb1 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -432,7 +432,7 @@ static void __init pagetable_init (void)
         paravirt_pagetable_setup_done(pgd_base);
 }
 
-#if defined(CONFIG_SOFTWARE_SUSPEND) || defined(CONFIG_ACPI_SLEEP)
+#if defined(CONFIG_SOFTWARE_SUSPEND) || defined(CONFIG_ACPI)
 /*
  * Swap suspend & friends need this for resume because things like the intel-agp
  * driver might have split up a kernel 4MB mapping.
@@ -800,9 +800,17 @@ void mark_rodata_ro(void)
         unsigned long start = PFN_ALIGN(_text);
         unsigned long size = PFN_ALIGN(_etext) - start;
 
-        change_page_attr(virt_to_page(start),
-                         size >> PAGE_SHIFT, PAGE_KERNEL_RX);
-        printk("Write protecting the kernel text: %luk\n", size >> 10);
+#ifndef CONFIG_KPROBES
+#ifdef CONFIG_HOTPLUG_CPU
+        /* It must still be possible to apply SMP alternatives. */
+        if (num_possible_cpus() <= 1)
+#endif
+        {
+                change_page_attr(virt_to_page(start),
+                                 size >> PAGE_SHIFT, PAGE_KERNEL_RX);
+                printk("Write protecting the kernel text: %luk\n", size >> 10);
+        }
+#endif
         start += size;
         size = (unsigned long)__end_rodata - start;
         change_page_attr(virt_to_page(start),