Re: linux-next: build failure after merge of the rcu tree

From: Frederic Weisbecker
Date: Mon Jan 04 2021 - 07:57:13 EST


On Mon, Jan 04, 2021 at 11:37:36AM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the rcu tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
>
> arch/arm/mach-imx/cpuidle-imx6q.c: In function 'imx6q_enter_wait':
> arch/arm/mach-imx/cpuidle-imx6q.c:32:7: error: implicit declaration of function 'need_resched'; did you mean 'tif_need_resched'? [-Werror=implicit-function-declaration]
> 32 | if (!need_resched())
> | ^~~~~~~~~~~~
> | tif_need_resched
>
> Caused by commit
>
> 7ca83ec735ce ("ARM: imx6q: Fix missing need_resched() check after
> rcu_idle_enter()")

Thanks for the report, I'm checking that.

>
> I have used the rcu tree from next-20201223 for today.
>
> --
> Cheers,
> Stephen Rothwell