linux-kernel - Re: [Ksummit-2010-discuss] [v2] Remaining BKL users, what to do

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Message-ID: <AANLkTimm79DJaLcr2rxz1UWd1SNdf+=s7y_YO_+N5g0d@mail.gmail.com>
Date:	Fri, 5 Nov 2010 09:14:02 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	ksummit-2010-discuss@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Ingo Molnar <mingo@...e.hu>, Pavel Machek <pavel@....cz>,
	Greg KH <greg@...ah.com>, Oliver Neukum <oliver@...kum.org>,
	Valdis.Kletnieks@...edu, Dave Airlie <airlied@...il.com>,
	dri-devel@...ts.freedesktop.org
Subject: Re: [Ksummit-2010-discuss] [v2] Remaining BKL users, what to do

On Fri, Nov 5, 2010 at 4:27 AM, Arnd Bergmann <arnd@...db.de> wrote:
> On Wednesday 03 November 2010, Pekka Enberg wrote:
>> On Tue, Nov 2, 2010 at 3:21 AM, Pavel Machek <pavel@....cz> wrote:
>> > Hi!
>> >
>> >> @@ -79,6 +79,10 @@ static struct drm_driver driver = {
>> >>
>> >>  static int __init i810_init(void)
>> >>  {
>> >> +     if (num_present_cpus() > 1) {
>> >> +             pr_err("drm/i810 does not support SMP\n");
>> >> +             return -EINVAL;
>> >> +     }
>> >>       driver.num_ioctls = i810_max_ioctl;
>> >>       return drm_init(&driver);
>> >
>> > Umm, and now someone onlines second cpu?
>>
>> Well, I see it's being fixed in a different way but yeah,
>> num_possible_cpus() would be more appropriate here.
>
> (trimming Cc list again)
>
> I thought that patch was still current, what other way are we fixing it now?

Oh, I just read the thread wrong. If you repost with
num_possible_cpus, feel free to add my ACK.
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