lkml.org 
[lkml]   [2022]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/4] Introduction of rpmsg_rx_done
On Tue, Jun 07, 2022 at 06:16:41PM -0700, Chris Lew wrote:
> This series proposes an implementation for the rpmsg framework to do
> deferred cleanup of buffers provided in the rx callback. The current
> implementation assumes that the client is done with the buffer after
> returning from the rx callback.
>
> In some cases where the data size is large, the client may want to
> avoid copying the data in the rx callback for later processing. This
> series proposes two new facilities for signaling that they want to
> hold on to a buffer after the rx callback.
> They are:
> - New API rpmsg_rx_done() to tell the rpmsg framework the client is
> done with the buffer
> - New return codes for the rx callback to signal that the client will
> hold onto a buffer and later call rpmsg_rx_done()
>
> This series implements the qcom_glink_native backend for these new
> facilities.
>
> Chris Lew (4):
> rpmsg: core: Add rx done hooks
> rpmsg: char: Add support to use rpmsg_rx_done
> rpmsg: glink: Try to send rx done in irq
> rpmsg: glink: Add support for rpmsg_rx_done
>
> drivers/rpmsg/qcom_glink_native.c | 112 ++++++++++++++++++++++++++++++--------
> drivers/rpmsg/rpmsg_char.c | 50 ++++++++++++++++-
> drivers/rpmsg/rpmsg_core.c | 20 +++++++
> drivers/rpmsg/rpmsg_internal.h | 1 +
> include/linux/rpmsg.h | 24 ++++++++
> 5 files changed, 183 insertions(+), 24 deletions(-)

I have started reviewing this set. Comments to come later today or tomorrow.

Thanks,
Mathieu

>
> --
> 2.7.4
>

\
 
 \ /
  Last update: 2022-07-26 19:55    [W:0.119 / U:1.316 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site