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-rw-r--r--arch/i386/kernel/alternative.c6
-rw-r--r--arch/i386/mm/init.c9
2 files changed, 10 insertions, 5 deletions
diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c
index 50eb0e03777..7b421b3a053 100644
--- a/arch/i386/kernel/alternative.c
+++ b/arch/i386/kernel/alternative.c
@@ -168,6 +168,8 @@ void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
}
}
+#ifdef CONFIG_SMP
+
static void alternatives_smp_save(struct alt_instr *start, struct alt_instr *end)
{
struct alt_instr *a;
@@ -328,6 +330,8 @@ void alternatives_smp_switch(int smp)
spin_unlock_irqrestore(&smp_alt, flags);
}
+#endif
+
void __init alternative_instructions(void)
{
if (no_replacement) {
@@ -349,6 +353,7 @@ void __init alternative_instructions(void)
smp_alt_once = 1;
#endif
+#ifdef CONFIG_SMP
if (smp_alt_once) {
if (1 == num_possible_cpus()) {
printk(KERN_INFO "SMP alternatives: switching to UP code\n");
@@ -370,4 +375,5 @@ void __init alternative_instructions(void)
_text, _etext);
alternatives_smp_switch(0);
}
+#endif
}
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index dc5d8979cd6..89e8486aac3 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -725,16 +725,15 @@ static int noinline do_test_wp_bit(void)
#ifdef CONFIG_DEBUG_RODATA
-extern char __start_rodata, __end_rodata;
void mark_rodata_ro(void)
{
- unsigned long addr = (unsigned long)&__start_rodata;
+ unsigned long addr = (unsigned long)__start_rodata;
- for (; addr < (unsigned long)&__end_rodata; addr += PAGE_SIZE)
+ for (; addr < (unsigned long)__end_rodata; addr += PAGE_SIZE)
change_page_attr(virt_to_page(addr), 1, PAGE_KERNEL_RO);
- printk ("Write protecting the kernel read-only data: %luk\n",
- (unsigned long)(&__end_rodata - &__start_rodata) >> 10);
+ printk("Write protecting the kernel read-only data: %uk\n",
+ (__end_rodata - __start_rodata) >> 10);
/*
* change_page_attr() requires a global_flush_tlb() call after it.