linux-kernel - Re: [REPOST PATCH 4/8] android: convert sync to fence api, v5

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Date:	Wed, 18 Jun 2014 18:15:56 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Maarten Lankhorst <maarten.lankhorst@...onical.com>
Cc:	linux-arch@...r.kernel.org, thellstrom@...are.com,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linaro-mm-sig@...ts.linaro.org, robdclark@...il.com,
	thierry.reding@...il.com, ccross@...gle.com, daniel@...ll.ch,
	sumit.semwal@...aro.org, linux-media@...r.kernel.org
Subject: Re: [REPOST PATCH 4/8] android: convert sync to fence api, v5

On Wed, Jun 18, 2014 at 12:37:11PM +0200, Maarten Lankhorst wrote:
> Just to show it's easy.
> 
> Android syncpoints can be mapped to a timeline. This removes the need
> to maintain a separate api for synchronization. I've left the android
> trace events in place, but the core fence events should already be
> sufficient for debugging.
> 
> v2:
> - Call fence_remove_callback in sync_fence_free if not all fences have fired.
> v3:
> - Merge Colin Cross' bugfixes, and the android fence merge optimization.
> v4:
> - Merge with the upstream fixes.
> v5:
> - Fix small style issues pointed out by Thomas Hellstrom.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@...onical.com>
> Acked-by: John Stultz <john.stultz@...aro.org>
> ---
>  drivers/staging/android/Kconfig      |    1 
>  drivers/staging/android/Makefile     |    2 
>  drivers/staging/android/sw_sync.c    |    6 
>  drivers/staging/android/sync.c       |  913 +++++++++++-----------------------
>  drivers/staging/android/sync.h       |   79 ++-
>  drivers/staging/android/sync_debug.c |  247 +++++++++
>  drivers/staging/android/trace/sync.h |   12 
>  7 files changed, 609 insertions(+), 651 deletions(-)
>  create mode 100644 drivers/staging/android/sync_debug.c

With these changes, can we pull the android sync logic out of
drivers/staging/ now?

thanks,

greg k-h
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