1 files changed, 11 insertions, 3 deletions

diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 1b1a1e66d099..4c4809f13cb1 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -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),