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

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Message-ID: <22e580c4-be3d-5917-b8dd-4a212f5160f3@kernel.dk>
Date:   Wed, 15 Jul 2020 09:08:06 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the block tree

On 7/14/20 8:14 PM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the block tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
> 
> block/blk-timeout.c: In function 'blk_round_jiffies':
> block/blk-timeout.c:96:14: error: 'CONFIG_HZ_ROUGH_MASK' undeclared (first use in this function)
>    96 |  return (j + CONFIG_HZ_ROUGH_MASK) + 1;
>       |              ^~~~~~~~~~~~~~~~~~~~
> 
> Caused by commit
> 
>   91ba0f529364 ("block: relax jiffies rounding for timeouts")
> 
> CONFIG_HZ_ROUGH_MASK is not defined for this build even though
> CONFIG_HZ_100 is set. The arm arch does not include kernel/Kconfig.hz.
> 
> I have reverted that commit for today.

Thanks, I'll take a look.

-- 
Jens Axboe