linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "lizhijian@fujitsu.com" <lizhijian@fujitsu.com>
To: "leon@kernel.org" <leon@kernel.org>,
	"dledford@redhat.com" <dledford@redhat.com>,
	"jgg@ziepe.ca" <jgg@ziepe.ca>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lizhijian@fujitsu.com" <lizhijian@fujitsu.com>
Subject: Re: [PATCH] IB/mlx5: unify return value to ENOENT
Date: Wed, 29 Sep 2021 04:21:19 +0000	[thread overview]
Message-ID: <e2decb1e-8776-5192-e3ec-6d700faa019d@fujitsu.com> (raw)
In-Reply-To: <20210903084815.184320-1-lizhijian@cn.fujitsu.com>

ping


On 03/09/2021 16:48, Li Zhijian wrote:
> Previously, ENOENT or EINVAL will be returned by ibv_advise_mr() although
> the errors all occur at get_prefetchable_mr().
>
> flags = IBV_ADVISE_MR_FLAG_FLUSH:
> mlx5_ib_advise_mr_prefetch()
>    -> mlx5_ib_prefetch_sg_list()
>        -> get_prefetchable_mr()
>    return -ENOENT;
>
> flags = 0:
> mlx5_ib_advise_mr_prefetch()
>    -> init_prefetch_work()
>       -> get_prefetchable_mr()
>    return -EINVAL;
>
> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
> ---
>   drivers/infiniband/hw/mlx5/odp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
> index d0d98e584ebc..52572e7ea6f6 100644
> --- a/drivers/infiniband/hw/mlx5/odp.c
> +++ b/drivers/infiniband/hw/mlx5/odp.c
> @@ -1828,7 +1828,7 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
>   
>   	if (!init_prefetch_work(pd, advice, pf_flags, work, sg_list, num_sge)) {
>   		destroy_prefetch_work(work);
> -		return -EINVAL;
> +		return -ENOENT;
>   	}
>   	queue_work(system_unbound_wq, &work->work);
>   	return 0;

      parent reply	other threads:[~2021-09-29  4:28 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-03  8:48 [PATCH] IB/mlx5: unify return value to ENOENT Li Zhijian
2021-09-28 17:08 ` Jason Gunthorpe
2021-09-29  4:37   ` lizhijian
2021-10-01 14:45     ` Jason Gunthorpe
2021-10-13  7:26   ` lizhijian
2021-10-13 18:02     ` Jason Gunthorpe
2021-09-29  4:21 ` lizhijian [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=e2decb1e-8776-5192-e3ec-6d700faa019d@fujitsu.com \
    --to=lizhijian@fujitsu.com \
    --cc=dledford@redhat.com \
    --cc=jgg@ziepe.ca \
    --cc=leon@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).