From: Jaroslav Kysela <perex@suse.cz>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: snd_pcm_lib_preallocate_pages_for_all
Date: Tue, 6 Jul 2004 10:34:41 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.58.0407061029490.2318@linux.local> (raw)
In-Reply-To: <s5hzn6e7lrj.wl@alsa2.suse.de>
On Mon, 5 Jul 2004, Takashi Iwai wrote:
> Ah, of course, the crash in snd_pcm_lib_preallocate_pages_for_all has
> nothing to do with mmap. I overlooked the point of crash.
>
> The attached patch should fix it.
The patch looks wrong. Some architectures does not mark pages as reserved
and other do it. I discussed this problem with Russell and it seems that
there is no way to distinct these diferences using a generic way, so we
need to add #ifdefs for some platforms.
Jaroslav
-----
Jaroslav Kysela <perex@suse.cz>
Linux Kernel Sound Maintainer
ALSA Project, SUSE Labs
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next prev parent reply other threads:[~2004-07-06 8:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-05 10:57 snd_pcm_lib_preallocate_pages_for_all Bo Henriksen
2004-07-05 11:10 ` snd_pcm_lib_preallocate_pages_for_all Takashi Iwai
2004-07-06 8:34 ` Jaroslav Kysela [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-07-05 8:56 snd_pcm_lib_preallocate_pages_for_all Bo Henriksen
2004-07-05 9:00 ` snd_pcm_lib_preallocate_pages_for_all Russell King
2004-07-05 9:17 ` snd_pcm_lib_preallocate_pages_for_all Takashi Iwai
2004-07-05 7:03 snd_pcm_lib_preallocate_pages_for_all Bo Henriksen
2004-07-05 8:15 ` snd_pcm_lib_preallocate_pages_for_all Russell King
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