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

From: Michal Marek
Date: Tue Apr 26 2016 - 09:30:11 EST


On 2016-04-26 05:38, Stephen Rothwell wrote:
> Hi Nicolas,
>
> After merging the block tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> ERROR: ".blk_queue_write_cache" [drivers/block/virtio_blk.ko] undefined!
> ERROR: ".blk_queue_write_cache" [drivers/block/ps3disk.ko] undefined!
> ERROR: ".blk_queue_write_cache" [drivers/block/nbd.ko] undefined!
>
> Caused by commit
>
> 089095b8eef9 ("kbuild: better abstract vmlinux sequential prerequisites")
>
> from the kbuild-pite tree.
>
> I have reverted that commit for today.

I can't reproduce this with today's linux-next and the revert reverted.
Also, CONFIG_TRIM_UNUSED_KSYMS is disabled in the defconfig as expected,
so I have no idea what went wrong.

Michal