[PATCH] x86_64: Don't confuse noapic with noapictimer
Handling common prefixes is tricky.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index cc25fa6..28895c0 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -343,7 +343,9 @@
!memcmp(from, "disableapic", 11))
disable_apic = 1;
- if (!memcmp(from, "noapic", 6))
+ /* Don't confuse with noapictimer */
+ if (!memcmp(from, "noapic", 6) &&
+ (from[6] == ' ' || from[6] == 0))
skip_ioapic_setup = 1;
/* Make sure to not confuse with apic= */