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SubjectRe: linux-next: manual merge of the char-misc tree with the driver-core tree
On Mon, Jul 08, 2019 at 11:25:12PM +0000, Nadav Amit wrote:
> > On Jul 8, 2019, at 4:20 PM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > Hi all,
> >
> > On Thu, 13 Jun 2019 15:53:44 +1000 Stephen Rothwell <sfr@canb.auug.org.au> 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.
>
> Greg,
>
> Can you please take care of it, as you are the maintainer of char-misc
> and the committer of the patch?

It's hard to "take care" as this is in two different trees. I'll worry
about it when they start to get merged together in Linus's tree...

thanks,

greg k-h

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