public inbox for kvm@vger.kernel.org
 help / color / mirror / Atom feed
From: Eric Farman <farman@linux.ibm.com>
To: Cornelia Huck <cohuck@redhat.com>, Farhan Ali <alifm@linux.ibm.com>
Cc: Halil Pasic <pasic@linux.ibm.com>,
	linux-s390@vger.kernel.org, kvm@vger.kernel.org,
	Eric Farman <farman@linux.ibm.com>
Subject: [RFC PATCH v1 5/5] vfio-ccw: Remove copy_ccw_from_iova()
Date: Tue, 18 Jun 2019 22:23:52 +0200	[thread overview]
Message-ID: <20190618202352.39702-6-farman@linux.ibm.com> (raw)
In-Reply-To: <20190618202352.39702-1-farman@linux.ibm.com>

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;
 
-- 
2.17.1


  parent reply	other threads:[~2019-06-18 20:24 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 ` Eric Farman [this message]
2019-06-19  8:23   ` [RFC PATCH v1 5/5] vfio-ccw: Remove copy_ccw_from_iova() Cornelia Huck
2019-06-19 21:13   ` Farhan Ali
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

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=20190618202352.39702-6-farman@linux.ibm.com \
    --to=farman@linux.ibm.com \
    --cc=alifm@linux.ibm.com \
    --cc=cohuck@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=pasic@linux.ibm.com \
    /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