From: Greg KH <gregkh@linuxfoundation.org>
To: Erik Gilling <konkers@android.com>
Cc: John Stultz <john.stultz@linaro.org>,
lkml <linux-kernel@vger.kernel.org>,
Maarten Lankhorst <maarten.lankhorst@canonical.com>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Rob Clark <robclark@gmail.com>,
Sumit Semwal <sumit.semwal@linaro.org>,
dri-devel@lists.freedesktop.org,
Android Kernel Team <kernel-team@android.com>
Subject: Re: [PATCH 10/30] staging: sync: Export sync API symbols
Date: Fri, 1 Mar 2013 05:55:29 -0800 [thread overview]
Message-ID: <20130301135529.GB27373@kroah.com> (raw)
In-Reply-To: <CACSP8Sg=sTbJ_Yv=PdxvHQ--0_rTLN6XG3+0aFKzzHxMzVxKhw@mail.gmail.com>
On Fri, Mar 01, 2013 at 12:21:24AM -0800, Erik Gilling wrote:
> On Thu, Feb 28, 2013 at 7:59 PM, John Stultz <john.stultz@linaro.org> wrote:
> >> Also, EXPORT_SYMBOL_GPL() perhaps?
> >>
> >> And who is using these exports?
> >
> >
> > From some quick git grepping...
>
> As John pointed out, the exynos and msm display and code uses them. I
> know nvidia is working on adding suport to their tegra tree. My knee
> jerk reaction is to make the export as permissible as possible. That
> being said, all of the ARM SoC vendors I've worked with have GPL
> kernel drivers even if their user space is closed. I'll reach out to
> them and ask for their opinions. Are there any issues with keeping
> them EXPORT_SYMBOL?
There's no "issues", it's just that it is preferred by some people and
companies to add new symbols to the kernel in this manner. It's really
up to you / Google as you are the ones contributing the code.
thanks,
greg k-h
next prev parent reply other threads:[~2013-03-01 13:55 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-01 0:42 [RFC][PATCH 00/30] staging: Android sync driver John Stultz
2013-03-01 0:42 ` [PATCH 01/30] staging: sync: Add synchronization framework John Stultz
2013-03-01 0:42 ` [PATCH 02/30] staging: sw_sync: Add cpu based sync driver John Stultz
2013-03-01 0:42 ` [PATCH 03/30] staging: sync: Add timestamps to sync_pts John Stultz
2013-03-01 0:43 ` [PATCH 04/30] staging: sync: Add debugfs support John Stultz
2013-03-01 0:43 ` [PATCH 05/30] staging: sw_sync: Add debug support John Stultz
2013-03-01 0:43 ` [PATCH 06/30] staging: sync: Add ioctl to get fence data John Stultz
2013-03-01 0:43 ` [PATCH 07/30] staging: sw_sync: Add fill_driver_data support John Stultz
2013-03-01 0:43 ` [PATCH 08/30] staging: sync: Add poll support John Stultz
2013-03-01 0:43 ` [PATCH 09/30] staging: sync: Allow async waits to be canceled John Stultz
2013-03-01 0:43 ` [PATCH 10/30] staging: sync: Export sync API symbols John Stultz
2013-03-01 2:00 ` Greg KH
2013-03-01 3:59 ` John Stultz
2013-03-01 8:21 ` Erik Gilling
2013-03-01 13:55 ` Greg KH [this message]
2013-03-01 16:30 ` Erik Gilling
2013-03-01 22:47 ` Erik Gilling
2013-03-01 0:43 ` [PATCH 11/30] staging: sw_sync: Export sw_sync API John Stultz
2013-03-01 0:43 ` [PATCH 12/30] staging: sync: Reorder sync_fence_release John Stultz
2013-03-01 0:43 ` [PATCH 13/30] staging: sync: Optimize fence merges John Stultz
2013-03-01 0:43 ` [PATCH 14/30] staging: sync: Add internal refcounting to fences John Stultz
2013-03-01 0:43 ` [PATCH 15/30] staging: sync: Add reference counting to timelines John Stultz
2013-03-01 0:43 ` [PATCH 16/30] staging: sync: Fix error paths John Stultz
2013-03-01 0:43 ` [PATCH 17/30] staging: sw_sync: " John Stultz
2013-03-01 0:43 ` [PATCH 18/30] staging: sync: Change wait timeout to mirror poll semantics John Stultz
2013-03-01 0:43 ` [PATCH 19/30] staging: sync: Dump sync state to console on timeout John Stultz
2013-03-01 0:43 ` [PATCH 20/30] staging: sync: Improve timeout dump messages John Stultz
2013-03-01 0:43 ` [PATCH 21/30] staging: sync: Dump sync state on fence errors John Stultz
2013-03-01 0:43 ` [PATCH 22/30] staging: sync: Protect unlocked access to fence status John Stultz
2013-03-01 0:43 ` [PATCH 23/30] staging: sync: Update new fence status with sync_fence_signal_pt John Stultz
2013-03-01 0:43 ` [PATCH 24/30] staging: sync: Use proper barriers when waiting indefinitely John Stultz
2013-03-01 0:43 ` [PATCH 25/30] staging: sync: Refactor sync debug printing John Stultz
2013-03-01 0:43 ` [PATCH 26/30] staging: sw_sync: Convert to use new value_str debug ops John Stultz
2013-03-01 0:43 ` [PATCH 27/30] staging: sync: Add tracepoint support John Stultz
2013-03-01 0:43 ` [PATCH 28/30] staging: sync: Fix race condition between merge and signal John Stultz
2013-03-01 0:43 ` [PATCH 29/30] staging: sync: Don't log wait timeouts when timeout = 0 John Stultz
2013-03-01 0:43 ` [PATCH 30/30] staging: sync: Fix timeout = 0 wait behavior John Stultz
2013-03-01 1:59 ` [RFC][PATCH 00/30] staging: Android sync driver Greg KH
2013-03-01 16:20 ` Erik Gilling
2013-03-03 18:42 ` Daniel Vetter
2013-03-03 18:52 ` animelovin
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