On Mon 04-03-13 14:28:21, Stephen Rothwell wrote:
> Hi all,
>
> After merging the final tree, today's linux-next build (arm defconfig)
> failed like this:
>
> kernel/built-in.o: In function `console_unlock':
> cpu_pm.c:(.text+0x4418): undefined reference to `__bad_udelay'
>
> Caused by commit 4df7323a125f ("printk: avoid softlockups in
> console_unlock()") which added
>
> ndelay(max_interrupt_disabled_duration() / 2);
>
> to console_unlock() which can be a 2.5 second delay ... and the maximum
> delayed allowed by udelay (at least in this build) is 2ms.
Bah, one always learns. Didn't know there's some max limit on ndelay().
I'll replace that with a while loop or something like that. Thanks for
report!
Honza
--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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