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From: Jason Gunthorpe <jgg@nvidia.com>
To: David Airlie <airlied@linux.ie>,
	Tony Krowiak <akrowiak@linux.ibm.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Jonathan Corbet <corbet@lwn.net>, Daniel Vetter <daniel@ffwll.ch>,
	Diana Craciun <diana.craciun@oss.nxp.com>,
	dri-devel@lists.freedesktop.org,
	Eric Auger <eric.auger@redhat.com>,
	Eric Farman <farman@linux.ibm.com>,
	Harald Freudenberger <freude@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	intel-gfx@lists.freedesktop.org,
	intel-gvt-dev@lists.freedesktop.org,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Jason Herne <jjherne@linux.ibm.com>,
	Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
	kvm@vger.kernel.org, Kirti Wankhede <kwankhede@nvidia.com>,
	linux-doc@vger.kernel.org, linux-s390@vger.kernel.org,
	Matthew Rosato <mjrosato@linux.ibm.com>,
	Peter Oberparleiter <oberpar@linux.ibm.com>,
	Halil Pasic <pasic@linux.ibm.com>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>,
	Vineeth Vijayan <vneethv@linux.ibm.com>,
	Zhi Wang <zhi.a.wang@intel.com>
Cc: Max Gurtovoy <mgurtovoy@nvidia.com>,
	Yishai Hadas <yishaih@nvidia.com>,
	"Raj, Ashok" <ashok.raj@intel.com>,
	Leon Romanovsky <leonro@nvidia.com>,
	Christoph Hellwig <hch@lst.de>
Subject: [Intel-gfx] [PATCH v3 05/14] vfio/samples: Delete useless open/close
Date: Wed, 28 Jul 2021 21:49:14 -0300	[thread overview]
Message-ID: <5-v3-6c9e19cc7d44+15613-vfio_reflck_jgg@nvidia.com> (raw)
In-Reply-To: <0-v3-6c9e19cc7d44+15613-vfio_reflck_jgg@nvidia.com>

The core code no longer requires these ops to be defined, so delete these
empty functions and leave the op as NULL. mtty's functions only log a
pointless message, delete that entirely.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 samples/vfio-mdev/mbochs.c |  6 ------
 samples/vfio-mdev/mdpy.c   | 11 -----------
 samples/vfio-mdev/mtty.c   | 13 -------------
 3 files changed, 30 deletions(-)

diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
index 3d02e8e5964be7..5ac65894fcd38c 100644
--- a/samples/vfio-mdev/mbochs.c
+++ b/samples/vfio-mdev/mbochs.c
@@ -1278,11 +1278,6 @@ static long mbochs_ioctl(struct vfio_device *vdev, unsigned int cmd,
 	return -ENOTTY;
 }
 
-static int mbochs_open(struct vfio_device *vdev)
-{
-	return 0;
-}
-
 static void mbochs_close(struct vfio_device *vdev)
 {
 	struct mdev_state *mdev_state =
@@ -1401,7 +1396,6 @@ static struct attribute_group *mdev_type_groups[] = {
 };
 
 static const struct vfio_device_ops mbochs_dev_ops = {
-	.open = mbochs_open,
 	.release = mbochs_close,
 	.read = mbochs_read,
 	.write = mbochs_write,
diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c
index 57334034cde6dd..8d1a80a0722aa9 100644
--- a/samples/vfio-mdev/mdpy.c
+++ b/samples/vfio-mdev/mdpy.c
@@ -614,15 +614,6 @@ static long mdpy_ioctl(struct vfio_device *vdev, unsigned int cmd,
 	return -ENOTTY;
 }
 
-static int mdpy_open(struct vfio_device *vdev)
-{
-	return 0;
-}
-
-static void mdpy_close(struct vfio_device *vdev)
-{
-}
-
 static ssize_t
 resolution_show(struct device *dev, struct device_attribute *attr,
 		char *buf)
@@ -717,8 +708,6 @@ static struct attribute_group *mdev_type_groups[] = {
 };
 
 static const struct vfio_device_ops mdpy_dev_ops = {
-	.open = mdpy_open,
-	.release = mdpy_close,
 	.read = mdpy_read,
 	.write = mdpy_write,
 	.ioctl = mdpy_ioctl,
diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 37cc9067e1601d..5983cdb16e3d1d 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -1207,17 +1207,6 @@ static long mtty_ioctl(struct vfio_device *vdev, unsigned int cmd,
 	return -ENOTTY;
 }
 
-static int mtty_open(struct vfio_device *vdev)
-{
-	pr_info("%s\n", __func__);
-	return 0;
-}
-
-static void mtty_close(struct vfio_device *mdev)
-{
-	pr_info("%s\n", __func__);
-}
-
 static ssize_t
 sample_mtty_dev_show(struct device *dev, struct device_attribute *attr,
 		     char *buf)
@@ -1325,8 +1314,6 @@ static struct attribute_group *mdev_type_groups[] = {
 
 static const struct vfio_device_ops mtty_dev_ops = {
 	.name = "vfio-mtty",
-	.open = mtty_open,
-	.release = mtty_close,
 	.read = mtty_read,
 	.write = mtty_write,
 	.ioctl = mtty_ioctl,
-- 
2.32.0

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  parent reply	other threads:[~2021-07-29  0:49 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-29  0:49 [Intel-gfx] [PATCH v3 00/14] Provide core infrastructure for managing open/release Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 01/14] vfio/samples: Remove module get/put Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 02/14] vfio/mbochs: Fix missing error unwind of mbochs_used_mbytes Jason Gunthorpe
2021-07-29  7:21   ` Christoph Hellwig
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 03/14] vfio: Introduce a vfio_uninit_group_dev() API call Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 04/14] vfio: Provide better generic support for open/release vfio_device_ops Jason Gunthorpe
2021-07-29  7:26   ` Christoph Hellwig
2021-07-29  0:49 ` Jason Gunthorpe [this message]
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 06/14] vfio/fsl: Move to the device set infrastructure Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 07/14] vfio/platform: Use open_device() instead of open coding a refcnt scheme Jason Gunthorpe
2021-08-05 12:37   ` Eric Auger
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 08/14] vfio/pci: Move to the device set infrastructure Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 09/14] vfio/pci: Change vfio_pci_try_bus_reset() to use the dev_set Jason Gunthorpe
2021-07-29  7:30   ` Christoph Hellwig
2021-08-03 16:34   ` Alex Williamson
2021-08-03 16:41     ` Jason Gunthorpe
2021-08-03 16:52       ` Alex Williamson
2021-08-05 11:47         ` Jason Gunthorpe
2021-08-05 17:33           ` Alex Williamson
2021-08-05 23:05             ` Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 10/14] vfio/pci: Reorganize VFIO_DEVICE_PCI_HOT_RESET to use the device set Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 11/14] vfio/mbochs: Fix close when multiple device FDs are open Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 12/14] vfio/ap, ccw: Fix open/close " Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 13/14] vfio/gvt: " Jason Gunthorpe
2021-07-29  0:49 ` [Intel-gfx] [PATCH v3 14/14] vfio: Remove struct vfio_device_ops open/release Jason Gunthorpe
2021-07-29  2:13 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Provide core infrastructure for managing open/release (rev7) Patchwork
2021-07-29  2:37 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-07-29  8:16 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2021-08-05 14:26 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Provide core infrastructure for managing open/release (rev8) Patchwork

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