Re: [PATCH] drm/i915/selftests: Convert timers to use timer_setup()

[Jani Nikula <jani.nikula@linux.intel.com>]

On Wed, 25 Oct 2017, Kees Cook <keescook@chromium.org> wrote:
> On Wed, Oct 25, 2017 at 4:16 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>> Quoting Kees Cook (2017-10-25 15:05:13)
>>> On Wed, Oct 25, 2017 at 3:11 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>>> > Quoting Chris Wilson (2017-10-25 11:24:19)
>>> >> Quoting Chris Wilson (2017-10-24 17:17:09)
>>> >> > Quoting Kees Cook (2017-10-24 16:13:44)
>>> >> > > In preparation for unconditionally passing the struct timer_list pointer to
>>> >> > > all timer callbacks, switch to using the new timer_setup() and from_timer()
>>> >> > > to pass the timer pointer explicitly.
>>> >> > >
>>> >> > > Cc: Jani Nikula <jani.nikula@linux.intel.com>
>>> >> > > Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
>>> >> > > Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
>>> >> > > Cc: David Airlie <airlied@linux.ie>
>>> >> > > Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>> >> > > Cc: Chris Wilson <chris@chris-wilson.co.uk>
>>> >> > > Cc: intel-gfx@lists.freedesktop.org
>>> >> > > Cc: dri-devel@lists.freedesktop.org
>>> >> > > Signed-off-by: Kees Cook <keescook@chromium.org>
>>> >> >
>>> >> > Thank you for saving me from having to do this myself,
>>> >> > Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
>>> >>
>>> >> I've a small batch of selftests patches queued, so added this one and
>>> >> will push to drm-intel-next-queued shortly.
>>> >
>>> > Oh dear, major faux pas. There is no timer_setup_on_stack yet.
>>>
>>> Argh. Right, sorry. That's only in -next. Since this is mainly a
>>> mechanical change, should I carry this in the timer tree, or wait
>>> until the merge window for it to go via i915?
>>
>> Jani has the final word, but my understanding is that there will be no
>> more from i915 towards the 4.15 merge. Hmm, the origin of this timer,
>>
>> commit 214707fc2ce08d09982bc4fe4b7a1c1f010e82be
>> Author: Chris Wilson <chris@chris-wilson.co.uk>
>> Date:   Thu Oct 12 13:57:25 2017 +0100
>>
>>     drm/i915/selftests: Wrap a timer into a i915_sw_fence
>>
>> did make it into 4.15, so it would have been better to put into a
>> separate tree for the 4.15 merge window anyway. In hindsight, yes this
>> probably wants to be carried in the timer tree to be applied after i915.
>> (I guess there will be a few other stragglers that need to be converted
>> at the end of the merge window anyway.)
>
> Yeah, it's going to be messy, but I'll manage. I'll be carrying a lot
> of other stuff as well. Avoiding conflicts will be the trick. Wheee.
> :)

Acked-by: Jani Nikula <jani.nikula@intel.com>

for merging via timer tree. Otherwise we'll need to wait for the changes
to hit Linus' tree, then get backmerges to our tree, and it's v4.16
before you know it. ;)

-- 
Jani Nikula, Intel Open Source Technology Center
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