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Re: [PATCH] staging/android: add TODO to de-stage android sync framework

From Gustavo Padovan <gustavo@padovan.org>
Newsgroups linux.kernel
Subject Re: [PATCH] staging/android: add TODO to de-stage android sync framework
Date 2015-11-24 18:40 +0100
Message-ID <qypJn-2KZ-1@gated-at.bofh.it> (permalink)
References <qy5hE-6fV-23@gated-at.bofh.it> <qyp6H-2hl-39@gated-at.bofh.it>
Organization linux.* mail to news gateway

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2015-11-24 Greg Hackmann <ghackmann@google.com>:

> On 11/23/15 11:41 AM, Gustavo Padovan wrote:
> >+ - remove sw_sync, it is used only for testing/debugging and should not be
> >+upstreamed.
> >+ - port sw_sync testcases to use debugfs somehow
> 
> A quick but important nitpick:
> 
> sw_sync itself is just an in-kernel helper for creating fences, when you
> don't have something like sync timeline primitives baked into your hardware.
> 
> CONFIG_SW_SYNC_USER adds the interface for creating and signaling sw_sync
> objects from userspace.  This is the part that's dangerous and only intended
> for testing, etc.
> 
> AFAIK CONFIG_SW_SYNC_USER is the only part people have been objecting to.
> I'm fine with removing it.  Removing the kernel-facing side of sw_sync would
> be a problem for us, since many drivers use it to create their fences.

Right, I probably misundertood things, I'm okay with removing only
CONFIG_SW_SYNC_USER and if others are okay too I'll just send an updated
patch for the TODO.

	Gustavo
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Thread

[PATCH] staging/android: add TODO to de-stage android sync framework Gustavo Padovan <gustavo@padovan.org> - 2015-11-23 20:50 +0100
  Re: [PATCH] staging/android: add TODO to de-stage android sync  framework Daniel Vetter <daniel@ffwll.ch> - 2015-11-24 10:00 +0100
    Re: [PATCH] staging/android: add TODO to de-stage android sync  framework Daniel Vetter <daniel@ffwll.ch> - 2015-11-24 10:00 +0100
      Re: [PATCH] staging/android: add TODO to de-stage android sync  framework Greg Hackmann <ghackmann@google.com> - 2015-11-24 18:30 +0100
  Re: [PATCH] staging/android: add TODO to de-stage android sync  framework Greg Hackmann <ghackmann@google.com> - 2015-11-24 18:00 +0100
    Re: [PATCH] staging/android: add TODO to de-stage android sync  framework Gustavo Padovan <gustavo@padovan.org> - 2015-11-24 18:40 +0100

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