Re: [PATCH 1/1] irq_work.h: fix warning when CONFIG_IRQ_WORK=n

[James Hogan]

On 08/03/13 11:36, James Hogan wrote:
> A randconfig caught repeated compiler warnings when CONFIG_IRQ_WORK=n
> due to the definition of a non-inline static function in
> <linux/irq_work.h>:
> 
> include/linux/irq_work.h +40 : warning: 'irq_work_needs_cpu' defined but not used

In addition to this warning I also got the following linker error when
CONFIG_IRQ_WORK=n:

kernel/built-in.o In function `wake_up_klogd':
(.text.wake_up_klogd+0xb4): undefined reference to `irq_work_queue'

which appears to be because of the following commit:

commit 74876a98a87a115254b3a66a14b27320b7f0acaa ("printk: Wake up klogd
using irq_work") also merged in v3.9-rc1.

Can somebody more familiar with that code please fix it.

Cheers
James

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