Re: linux-next: manual merge of the char-misc tree with the driver-core tree

From: Stephen Rothwell
Date: Mon Jul 08 2019 - 19:20:10 EST


Hi all,

On Thu, 13 Jun 2019 15:53:44 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Today's linux-next merge of the char-misc tree got a conflict in:
>
> drivers/misc/vmw_balloon.c
>
> between commit:
>
> 225afca60b8a ("vmw_balloon: no need to check return value of debugfs_create functions")
>
> from the driver-core tree and commits:
>
> 83a8afa72e9c ("vmw_balloon: Compaction support")
> 5d1a86ecf328 ("vmw_balloon: Add memory shrinker")
>
> from the char-misc tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc drivers/misc/vmw_balloon.c
> index fdf5ad757226,043eed845246..000000000000
> --- a/drivers/misc/vmw_balloon.c
> +++ b/drivers/misc/vmw_balloon.c
> @@@ -1553,15 -1942,26 +1932,24 @@@ static int __init vmballoon_init(void
> if (x86_hyper_type != X86_HYPER_VMWARE)
> return -ENODEV;
>
> - for (page_size = VMW_BALLOON_4K_PAGE;
> - page_size <= VMW_BALLOON_LAST_SIZE; page_size++)
> - INIT_LIST_HEAD(&balloon.page_sizes[page_size].pages);
> -
> -
> INIT_DELAYED_WORK(&balloon.dwork, vmballoon_work);
>
> + error = vmballoon_register_shrinker(&balloon);
> + if (error)
> + goto fail;
> +
> - error = vmballoon_debugfs_init(&balloon);
> - if (error)
> - goto fail;
> + vmballoon_debugfs_init(&balloon);
>
> + /*
> + * Initialization of compaction must be done after the call to
> + * balloon_devinfo_init() .
> + */
> + balloon_devinfo_init(&balloon.b_dev_info);
> + error = vmballoon_compaction_init(&balloon);
> + if (error)
> + goto fail;
> +
> + INIT_LIST_HEAD(&balloon.huge_pages);
> spin_lock_init(&balloon.comm_lock);
> init_rwsem(&balloon.conf_sem);
> balloon.vmci_doorbell = VMCI_INVALID_HANDLE;

I am still getting this conflict (the commit ids may have changed).
Just a reminder in case you think Linus may need to know.

--
Cheers,
Stephen Rothwell

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