From: Roman Zippel <zippel@linux-m68k.org>
To: Armin Kuster <akuster@mvista.com>
Cc: ppcdevel <linuxppc-dev@lists.linuxppc.org>
Subject: Re: New API for non cache coherent ppc cpu's
Date: Wed, 21 Nov 2001 21:20:24 +0100 [thread overview]
Message-ID: <3BFC0C87.30658419@linux-m68k.org> (raw)
In-Reply-To: 3BFBF277.A05245D6@mvista.com
Hi,
Armin Kuster wrote:
> mapping = pci_map_page(pdev,
> virt_to_page(cmd->request_buffer),
This is the problem, virt_to_page doesn't work kmap'ed highmem pages.
> > - I think it was never defined, what should be done if offset/size isn't
> > cache line aligned. That's especially a problem in the invalidate only
> > case. I'd prefer to make this illegal, as it's mostly not a problem for
> > drivers.
>
> wouldn't it also be a problem for consistent_sync? we don't check for
> offset/size are cache line aligned.
Yes, same problem.
bye, Roman
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-11-21 20:20 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-20 20:13 New API for non cache coherent ppc cpu's Armin Kuster
2001-11-21 11:15 ` Roman Zippel
2001-11-21 18:29 ` Armin Kuster
2001-11-21 20:20 ` Roman Zippel [this message]
2001-11-22 20:57 ` Paul Mackerras
2001-11-22 23:07 ` Dan Malek
2001-11-22 23:54 ` Roman Zippel
2001-11-23 1:32 ` Paul Mackerras
2001-11-23 16:08 ` Dan Malek
2001-11-22 23:50 ` Roman Zippel
2001-11-23 1:09 ` Paul Mackerras
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