From: Michael Ellerman <michael@ellerman.id.au>
To: Christoph Raisch <RAISCH@de.ibm.com>
Cc: Thomas Q Klein <tklein@de.ibm.com>,
"Jenkins, Clive" <Clive.Jenkins@xerox.com>,
netdev <netdev@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-ppc <linuxppc-dev@ozlabs.org>,
Marcus Eder <meder@de.ibm.com>
Subject: RE: [PATCH 4/6] ehea: header files
Date: Wed, 16 Aug 2006 10:58:35 +1000 [thread overview]
Message-ID: <1155689915.26911.12.camel@localhost.localdomain> (raw)
In-Reply-To: <OF8C6BA147.30EE53F8-ONC12571CB.003C7748-C12571CB.003CBAA4@de.ibm.com>
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On Tue, 2006-08-15 at 13:07 +0200, Christoph Raisch wrote:
>
> "Jenkins, Clive" wrote on 15.08.2006 12:53:05:
>
> > > > You mean the eHEA has its own concept of page size? Separate from
> > the
> > > > page size used by the MMU?
> > > >
> > >
> > > yes, the eHEA currently supports only 4K pages for queues
> >
> > In that case, I suggest use the kernel's page size, but add a
> > compile-time
> > check, and quit with an error message if driver does not support it.
>
> eHEA does support other page sizes than 4k, but the HW interface expects to
> see 4k pages
> The adaption is done in the device driver, therefore we have a seperate 4k
> define.
Fair enough. You seem to only use it in drivers/net/ehea/ehea_qmr.c, if
so put the definition in there, that way someone is less likely to use
the EHEA_PAGESIZE definition where they really need PAGE_SIZE.
cheers
--
Michael Ellerman
IBM OzLabs
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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next prev parent reply other threads:[~2006-08-16 0:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-09 8:39 [PATCH 4/6] ehea: header files Jan-Bernd Themann
2006-08-09 13:17 ` Arnd Bergmann
2006-08-10 6:22 ` Michael Ellerman
2006-08-14 12:53 ` Jan-Bernd Themann
2006-08-15 0:08 ` Michael Ellerman
2006-08-15 9:44 ` Jan-Bernd Themann
2006-08-15 10:53 ` Jenkins, Clive
2006-08-15 11:07 ` Christoph Raisch
2006-08-15 11:09 ` edlk4.0 ppc_85xx gdb problems emre kara
2006-08-15 11:46 ` Jenkins, Clive
2006-08-16 0:58 ` Michael Ellerman [this message]
2006-08-11 21:40 ` [PATCH 4/6] ehea: header files Anton Blanchard
2006-08-14 3:20 ` Michael Ellerman
2006-08-14 6:19 ` Jan-Bernd Themann
2006-08-11 22:07 ` Anton Blanchard
2006-08-12 16:40 ` Thomas Klein
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