✗ Fi.CI.CHECKPATCH: warning for mdev based hardware virtio offloading support (rev6)

From: Patchwork <patchwork@emeril.freedesktop.org>
To: Jason Wang <jasowang@redhat.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: ✗ Fi.CI.CHECKPATCH: warning for mdev based hardware virtio offloading support (rev6)
Date: Wed, 23 Oct 2019 23:42:37 -0000	[thread overview]
Message-ID: <20191023234237.3027.71271@emeril.freedesktop.org> (raw)
In-Reply-To: <20191023130752.18980-1-jasowang@redhat.com>

== Series Details ==

Series: mdev based hardware virtio offloading support (rev6)
URL   : https://patchwork.freedesktop.org/series/66989/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
dbcc3602f990 mdev: class id support
cdfeed47be7f modpost: add support for mdev class id
d18fa8d08a1d mdev: introduce device specific ops
-:258: CHECK:LINE_SPACING: Please don't use multiple blank lines
#258: FILE: drivers/vfio/mdev/mdev_core.c:48:
 
+

-:263: WARNING:BLOCK_COMMENT_STYLE: Block comments use a trailing */ on a separate line
#263: FILE: drivers/vfio/mdev/mdev_core.c:51:
+ * provided by each class. */

-:500: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#500: 
new file mode 100644

total: 0 errors, 2 warnings, 1 checks, 620 lines checked
091ee68346c6 mdev: introduce virtio device and its device ops
-:94: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#94: 
new file mode 100644

total: 0 errors, 1 warnings, 0 checks, 223 lines checked
76b1265016b1 virtio: introduce a mdev based transport
-:26: WARNING:CONFIG_DESCRIPTION: please write a paragraph that describes the config symbol fully
#26: FILE: drivers/virtio/Kconfig:46:
+config VIRTIO_MDEV_DEVICE

-:46: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#46: 
new file mode 100644

-:106: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#106: FILE: drivers/virtio/virtio_mdev.c:56:
+static void virtio_mdev_get(struct virtio_device *vdev, unsigned offset,

-:107: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#107: FILE: drivers/virtio/virtio_mdev.c:57:
+			    void *buf, unsigned len)

-:115: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#115: FILE: drivers/virtio/virtio_mdev.c:65:
+static void virtio_mdev_set(struct virtio_device *vdev, unsigned offset,

-:116: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#116: FILE: drivers/virtio/virtio_mdev.c:66:
+			    const void *buf, unsigned len)

-:186: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#186: FILE: drivers/virtio/virtio_mdev.c:136:
+virtio_mdev_setup_vq(struct virtio_device *vdev, unsigned index,

-:265: CHECK:BRACES: Blank lines aren't necessary before a close brace '}'
#265: FILE: drivers/virtio/virtio_mdev.c:215:
+
+}

-:297: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#297: FILE: drivers/virtio/virtio_mdev.c:247:
+static int virtio_mdev_find_vqs(struct virtio_device *vdev, unsigned nvqs,

total: 0 errors, 8 warnings, 1 checks, 430 lines checked
e114c74e4182 docs: sample driver to demonstrate how to implement virtio-mdev framework
-:39: WARNING:CONFIG_DESCRIPTION: please write a paragraph that describes the config symbol fully
#39: FILE: samples/Kconfig:134:
+config SAMPLE_VIRTIO_MDEV_NET

-:59: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#59: 
new file mode 100644

-:147: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
#147: FILE: samples/vfio-mdev/mvnet.c:84:
+	spinlock_t lock;

-:180: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#180: FILE: samples/vfio-mdev/mvnet.c:117:
+	vringh_init_kern(&vq->vring, mvnet_features, MVNET_QUEUE_MAX,
+			false, 0, 0, 0);

-:285: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "!addr"
#285: FILE: samples/vfio-mdev/mvnet.c:222:
+	if (addr == NULL)

-:288: CHECK:SPACING: No space is necessary after a cast
#288: FILE: samples/vfio-mdev/mvnet.c:225:
+		*dma_addr = (dma_addr_t) addr;

-:318: CHECK:ALLOC_SIZEOF_STRUCT: Prefer kzalloc(sizeof(*mvnet)...) over kzalloc(sizeof(struct mvnet_state)...)
#318: FILE: samples/vfio-mdev/mvnet.c:255:
+	mvnet = kzalloc(sizeof(struct mvnet_state), GFP_KERNEL);

-:319: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "!mvnet"
#319: FILE: samples/vfio-mdev/mvnet.c:256:
+	if (mvnet == NULL)

-:375: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#375: FILE: samples/vfio-mdev/mvnet.c:312:
+sample_mvnet_dev_show(struct device *dev, struct device_attribute *attr,
+		     char *buf)

total: 0 errors, 2 warnings, 7 checks, 715 lines checked

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