From: Jens Axboe <axboe@suse.de>
To: Paul Mackerras <paulus@samba.org>
Cc: marcelo@conectiva.com.br, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] highmem I/O for ide-pmac.c
Date: Wed, 11 Sep 2002 15:13:00 +0200 [thread overview]
Message-ID: <20020911131300.GN1089@suse.de> (raw)
In-Reply-To: <20020911130754.GM1089@suse.de>
On Wed, Sep 11 2002, Jens Axboe wrote:
> On Wed, Sep 11 2002, Jens Axboe wrote:
> > Also, can you grow sg segments indefinitely?
>
> Maybe you copied that from ide-dma? I think it would be safer to just
> remove it, btw, there's no (if any) benefit to making the sg segments
> bigger than a page since we'll much sooner hit the max sectors
> limitation than the segment one.
ide_build_dmatable() makes sure that it is safe, so no extra checking is
needed. So we can keep current behaviour and its not a bug and no
changes are needed in either ide-dma nor ide-pmac.
--
Jens Axboe
next prev parent reply other threads:[~2002-09-11 13:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-11 12:48 [PATCH] highmem I/O for ide-pmac.c Paul Mackerras
2002-09-11 13:02 ` Jens Axboe
2002-09-11 13:07 ` Jens Axboe
2002-09-11 13:13 ` Jens Axboe [this message]
2002-09-11 18:53 ` Benjamin Herrenschmidt
2002-09-11 18:05 ` Jens Axboe
2002-09-12 6:54 ` Paul Mackerras
2002-09-12 6:59 ` Jens Axboe
2002-09-12 6:12 ` Paul Mackerras
2002-09-12 6:20 ` Jens Axboe
2002-09-12 5:37 ` Benjamin Herrenschmidt
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