Re: [PATCH] fix slown down printk on boot compile error

From: Randy Dunlap
Date: Wed Aug 01 2007 - 12:29:32 EST


On Wed, 1 Aug 2007 13:16:44 +0200 Heiko Carstens wrote:

> From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
>
> The slow-down-printk-during-boot patch depends on preset_lpj being
> available. That's not the case for architectures that have it's own
> calibrate_delay() function.
>
> kernel/sched.c:3840: undefined reference to `preset_lpj'

Thanks.

> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
> Cc: Dave Jones <davej@xxxxxxxxxx>
> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> ---
> lib/Kconfig.debug | 2 +-
> 1 files changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-2.6.22/lib/Kconfig.debug
> ===================================================================
> --- linux-2.6.22.orig/lib/Kconfig.debug
> +++ linux-2.6.22/lib/Kconfig.debug
> @@ -436,7 +436,7 @@ config FORCED_INLINING
>
> config BOOT_PRINTK_DELAY
> bool "Delay each boot printk message by N milliseconds"
> - depends on DEBUG_KERNEL && PRINTK
> + depends on DEBUG_KERNEL && PRINTK && GENERIC_CALIBRATE_DELAY
> help
> This build option allows you to read kernel boot messages
> by inserting a short delay after each one. The delay is

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/