From: Farhan Ali <alifm@linux.ibm.com>
To: Eric Farman <farman@linux.ibm.com>, Cornelia Huck <cohuck@redhat.com>
Cc: Halil Pasic <pasic@linux.ibm.com>,
linux-s390@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [RFC PATCH v1 5/5] vfio-ccw: Remove copy_ccw_from_iova()
Date: Wed, 19 Jun 2019 17:13:39 -0400 [thread overview]
Message-ID: <98b91731-e503-03af-a7d6-5dcc9bcbf4ae@linux.ibm.com> (raw)
In-Reply-To: <20190618202352.39702-6-farman@linux.ibm.com>
On 06/18/2019 04:23 PM, Eric Farman wrote:
> Just to keep things tidy.
>
> Signed-off-by: Eric Farman <farman@linux.ibm.com>
> ---
> drivers/s390/cio/vfio_ccw_cp.c | 14 ++------------
> 1 file changed, 2 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
> index 9a8bf06281e0..9cddc1288059 100644
> --- a/drivers/s390/cio/vfio_ccw_cp.c
> +++ b/drivers/s390/cio/vfio_ccw_cp.c
> @@ -228,17 +228,6 @@ static long copy_from_iova(struct device *mdev,
> return l;
> }
>
> -static long copy_ccw_from_iova(struct channel_program *cp,
> - struct ccw1 *to, u64 iova,
> - unsigned long len)
> -{
> - int ret;
> -
> - ret = copy_from_iova(cp->mdev, to, iova, len * sizeof(struct ccw1));
> -
> - return ret;
> -}
> -
> /*
> * Helpers to operate ccwchain.
> */
> @@ -435,7 +424,8 @@ static int ccwchain_handle_ccw(u32 cda, struct channel_program *cp)
> int len;
>
> /* Copy 2K (the most we support today) of possible CCWs */
> - len = copy_ccw_from_iova(cp, cp->guest_cp, cda, CCWCHAIN_LEN_MAX);
> + len = copy_from_iova(cp->mdev, cp->guest_cp, cda,
> + CCWCHAIN_LEN_MAX * sizeof(struct ccw1));
> if (len)
> return len;
>
>
This patch probably could be squashed with patch 4. Not a big deal though.
next prev parent reply other threads:[~2019-06-19 21:14 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-18 20:23 [RFC PATCH v1 0/5] s390: more vfio-ccw code rework Eric Farman
2019-06-18 20:23 ` [RFC PATCH v1 1/5] vfio-ccw: Move guest_cp storage into common struct Eric Farman
2019-06-19 8:14 ` Cornelia Huck
2019-06-19 20:13 ` Farhan Ali
2019-06-19 20:53 ` Eric Farman
2019-06-19 21:12 ` Farhan Ali
2019-06-18 20:23 ` [RFC PATCH v1 2/5] vfio-ccw: Skip second copy of guest cp to host Eric Farman
2019-06-19 8:17 ` Cornelia Huck
2019-06-18 20:23 ` [RFC PATCH v1 3/5] vfio-ccw: Copy CCW data outside length calculation Eric Farman
2019-06-19 8:18 ` Cornelia Huck
2019-06-18 20:23 ` [RFC PATCH v1 4/5] vfio-ccw: Factor out the ccw0-to-ccw1 transition Eric Farman
2019-06-19 8:22 ` Cornelia Huck
2019-06-18 20:23 ` [RFC PATCH v1 5/5] vfio-ccw: Remove copy_ccw_from_iova() Eric Farman
2019-06-19 8:23 ` Cornelia Huck
2019-06-19 21:13 ` Farhan Ali [this message]
2019-06-19 8:25 ` [RFC PATCH v1 0/5] s390: more vfio-ccw code rework Cornelia Huck
2019-06-19 11:11 ` Eric Farman
2019-06-19 21:15 ` Farhan Ali
2019-06-21 12:25 ` Cornelia Huck
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