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

From: Tejun Heo
Date: Mon Oct 31 2022 - 13:53:10 EST


On Mon, Oct 31, 2022 at 01:23:31PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the cgroup tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> ERROR: modpost: "css_tryget" [arch/x86/kvm/kvm-amd.ko] undefined!
> ERROR: modpost: "css_put" [arch/x86/kvm/kvm-amd.ko] undefined!
> ERROR: modpost: "css_put" [fs/btrfs/btrfs.ko] undefined!
> ERROR: modpost: "css_get" [fs/btrfs/btrfs.ko] undefined!
> ERROR: modpost: "css_put" [drivers/block/loop.ko] undefined!
> ERROR: modpost: "css_get" [drivers/block/loop.ko] undefined!
> ERROR: modpost: "css_put" [net/netfilter/xt_cgroup.ko] undefined!
>
> Caused by commit
>
> 6ab428604f72 ("cgroup: Implement DEBUG_CGROUP_REF")
>
> I have used the cgroup tree from next-20221028 for today.

Sorry about that. Fix patch added to the branch. Should be okay now.

Thanks.

--
tejun