Message-ID: <53B3CD00.5030003@canonical.com>
Date: Wed, 02 Jul 2014 11:12:32 +0200
From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
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To: Greg KH <gregkh@linuxfoundation.org>
CC: linux-arch@vger.kernel.org, thellstrom@vmware.com,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linaro-mm-sig@lists.linaro.org, robdclark@gmail.com,
        thierry.reding@gmail.com, ccross@google.com, daniel@ffwll.ch,
        sumit.semwal@linaro.org, linux-media@vger.kernel.org
Subject: Re: [PATCH v2 0/9] Updated fence patch series
References: <20140701103432.12718.82795.stgit@patser> <20140702053758.GA7578@kroah.com>
In-Reply-To: <20140702053758.GA7578@kroah.com>
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op 02-07-14 07:37, Greg KH schreef:
> On Tue, Jul 01, 2014 at 12:57:02PM +0200, Maarten Lankhorst wrote:
>> So after some more hacking I've moved dma-buf to its own subdirectory,
>> drivers/dma-buf and applied the fence patches to its new place. I believe that the
>> first patch should be applied regardless, and the rest should be ready now.
>> :-)
>>
>> Changes to the fence api:
>> - release_fence -> fence_release etc.
>> - __fence_init -> fence_init
>> - __fence_signal -> fence_signal_locked
>> - __fence_is_signaled -> fence_is_signaled_locked
>> - Changing BUG_ON to WARN_ON in fence_later, and return NULL if it triggers.
>>
>> Android can expose fences to userspace. It's possible to make the new fence
>> mechanism expose the same fences to userspace by changing sync_fence_create
>> to take a struct fence instead of a struct sync_pt. No other change is needed,
>> because only the fence parts of struct sync_pt are used. But because the
>> userspace fences are a separate problem and I haven't really looked at it yet
>> I feel it should stay in staging, for now.
> Ok, that's reasonable.
>
> At first glance, this all looks "sane" to me, any objection from anyone
> if I merge this through my driver-core tree for 3.17?
>
Sounds good to me, let me know when you pull it in, so I can rebase my drm conversion on top of it. :-)

~Maarten
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