Merge branch 'linus' into release

Conflicts:
	arch/x86/kernel/acpi/sleep.c

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 7038b95d363f..4a234677e213 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -199,7 +199,7 @@ void *text_poke_early(void *addr, const void *opcode, size_t len);
 
 /* Replace instructions with better alternatives for this CPU type.
    This runs before SMP is initialized to avoid SMP problems with
-   self modifying code. This implies that assymetric systems where
+   self modifying code. This implies that asymmetric systems where
    APs have less capabilities than the boot processor are not handled.
    Tough. Make sure you disable such features by hand. */
 
@@ -620,7 +620,12 @@ static int __kprobes stop_machine_text_poke(void *data)
 		flush_icache_range((unsigned long)p->addr,
 				   (unsigned long)p->addr + p->len);
 	}
-
+	/*
+	 * Intel Archiecture Software Developer's Manual section 7.1.3 specifies
+	 * that a core serializing instruction such as "cpuid" should be
+	 * executed on _each_ core before the new instruction is made visible.
+	 */
+	sync_core();
 	return 0;
 }