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SubjectRe: linux-next: manual merge of the rcu tree with Linus' tree
On Mon, May 14, 2018 at 01:46:36PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the rcu tree got a conflict in:
>
> drivers/nvme/host/core.c
>
> between commit:
>
> 12d9f07022dc ("nvme: fix use-after-free in nvme_free_ns_head")
>
> from Linus' tree and commit:
>
> d9cf21bae6cf ("nvme: Avoid flush dependency in delete controller flow")
>
> from the rcu 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.

Thank you, Stephen!!!

Thanx, Paul

> --
> Cheers,
> Stephen Rothwell
>
> diff --cc drivers/nvme/host/core.c
> index 99b857e5a7a9,c3cea8a29843..000000000000
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@@ -351,8 -349,7 +351,8 @@@ static void nvme_free_ns_head(struct kr
> nvme_mpath_remove_disk(head);
> ida_simple_remove(&head->subsys->ns_ida, head->instance);
> list_del_init(&head->entry);
> - cleanup_srcu_struct(&head->srcu);
> + cleanup_srcu_struct_quiesced(&head->srcu);
> + nvme_put_subsystem(head->subsys);
> kfree(head);
> }
>


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