search for: ioput

Displaying 6 results from an estimated 6 matches for "ioput".

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2015 Mar 20
0
[PATCH 1/1] Add virtio-input driver.
...; + if (!stsbuf) > > + return -ENOMEM; > > Does this return an error to userspace? > If so it's not a good idea I think, GFP_ATOMIC failures are > transient conditions and should not be reported > to userspace. > Can use GFP_KERNEL here? Waiting for an answer from the ioput guys here. > > + > > + stsbuf->type = cpu_to_le16(type); > > + stsbuf->code = cpu_to_le16(code); > > + stsbuf->value = cpu_to_le32(value); > > + sg_init_one(sg, stsbuf, sizeof(*stsbuf)); > > + virtqueue_add_outbuf(vi->sts, sg, 1, stsbuf, GFP_ATOMIC...
2015 Mar 20
0
[PATCH 1/1] Add virtio-input driver.
...; + if (!stsbuf) > > + return -ENOMEM; > > Does this return an error to userspace? > If so it's not a good idea I think, GFP_ATOMIC failures are > transient conditions and should not be reported > to userspace. > Can use GFP_KERNEL here? Waiting for an answer from the ioput guys here. > > + > > + stsbuf->type = cpu_to_le16(type); > > + stsbuf->code = cpu_to_le16(code); > > + stsbuf->value = cpu_to_le32(value); > > + sg_init_one(sg, stsbuf, sizeof(*stsbuf)); > > + virtqueue_add_outbuf(vi->sts, sg, 1, stsbuf, GFP_ATOMIC...
2015 Mar 19
2
[PATCH 1/1] Add virtio-input driver.
On Thu, Mar 19, 2015 at 10:13:11AM +0100, Gerd Hoffmann wrote: > virtio-input is basically evdev-events-over-virtio, so this driver isn't > much more than reading configuration from config space and forwarding > incoming events to the linux input layer. > > Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> What worries me is how well are these events specified. Will we
2015 Mar 19
2
[PATCH 1/1] Add virtio-input driver.
On Thu, Mar 19, 2015 at 10:13:11AM +0100, Gerd Hoffmann wrote: > virtio-input is basically evdev-events-over-virtio, so this driver isn't > much more than reading configuration from config space and forwarding > incoming events to the linux input layer. > > Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> What worries me is how well are these events specified. Will we
2015 Mar 21
3
[PATCH 1/1] Add virtio-input driver.
...OMEM; > > > > Does this return an error to userspace? > > If so it's not a good idea I think, GFP_ATOMIC failures are > > transient conditions and should not be reported > > to userspace. > > Can use GFP_KERNEL here? > > Waiting for an answer from the ioput guys here. > > > > + > > > + stsbuf->type = cpu_to_le16(type); > > > + stsbuf->code = cpu_to_le16(code); > > > + stsbuf->value = cpu_to_le32(value); > > > + sg_init_one(sg, stsbuf, sizeof(*stsbuf)); > > > + virtqueue_add_outbuf(vi...
2015 Mar 21
3
[PATCH 1/1] Add virtio-input driver.
...OMEM; > > > > Does this return an error to userspace? > > If so it's not a good idea I think, GFP_ATOMIC failures are > > transient conditions and should not be reported > > to userspace. > > Can use GFP_KERNEL here? > > Waiting for an answer from the ioput guys here. > > > > + > > > + stsbuf->type = cpu_to_le16(type); > > > + stsbuf->code = cpu_to_le16(code); > > > + stsbuf->value = cpu_to_le32(value); > > > + sg_init_one(sg, stsbuf, sizeof(*stsbuf)); > > > + virtqueue_add_outbuf(vi...