[PATCH] clean up kernel messages

Arrange for all kernel printks to be no-ops.  Only available if
CONFIG_EMBEDDED.

This patch saves about 375k on my laptop config and nearly 100k on minimal
configs.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index d273fd746192..e966fc8c44c4 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -380,6 +380,7 @@ rp_sidt:
         ALIGN
 ignore_int:
         cld
+#ifdef CONFIG_PRINTK
         pushl %eax
         pushl %ecx
         pushl %edx
@@ -400,6 +401,7 @@ ignore_int:
         popl %edx
         popl %ecx
         popl %eax
+#endif
         iret
 
 /*