linux-kernel - Re: [PATCH 06/18] compat: backport ASYNC_DOMAIN

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Message-ID: <CAB=NE6W8wZbwGiCCq2n2LObNreWhxd-uFU7CrX5yJw2Uik9hAg@mail.gmail.com>
Date:	Wed, 10 Apr 2013 12:32:36 -0700
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	"backports@...r.kernel.org" <backports@...r.kernel.org>,
	Dan Williams <dcbw@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 06/18] compat: backport ASYNC_DOMAIN_EXCLUSIVE()

On Wed, Apr 10, 2013 at 12:27 PM, Johannes Berg
<johannes@...solutions.net> wrote:
> On Wed, 2013-04-10 at 12:19 -0700, Luis R. Rodriguez wrote:
>
>> > However, it seems entirely pointless to backport just a small part of
>> > the API?
>>
>> Oh I agree don't get me wrong, however porting kernel/async.c seems
>> like a rather separate effort worth considering. As-is though I have
>> not seen any negative impact though to keep older subsystems from
>> compiling, ie its a no-op for older kernels as I see it.
>
> I guess that's what I don't understand -- I don't see usages of
> ASYNC_DOMAIN_EXCLUSIVE in any header files, and in e.g. regulator/core.c
> you'd also need the functions async_schedule_domain() etc. So where does
> this help even compiling?

You know what, sorry this was left over from when I tried to backport
the regulatory to the core of compat, and since I decided to not even
go there given that it relies on init sections on the vmlinux we can
safely discard this patch (although what I said still hold, just not
needed).

  Luis
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