From: Ralf Baechle <ralf@linux-mips.org>
To: linux-mips@linux-mips.org
Subject: Re: [PATCH] added Loongson cpu-feature-overrides.h
Date: Thu, 2 Apr 2009 13:47:46 +0200 [thread overview]
Message-ID: <20090402114746.GC1678@linux-mips.org> (raw)
In-Reply-To: <20090402112739.GD28319@adriano.hkcable.com.hk>
On Thu, Apr 02, 2009 at 07:27:39PM +0800, Zhang Le wrote:
> > > I have taken Wu Zhangjin's and Philippe Vachon's version as references, did a
> > > little modification and tested on 16K page size kernel. It works well.
> > >
> > > Unfornately although it already has defined cpu_has_dc_aliases as 1, 4k page
> > > size still not working. More work needed here.
> >
> > Adding this file is only a matter of kernel optimization. You may have
> > saved as much as several hundred kb! But it won't get a kernel
> > that wasn't working before to work. If anything the opposite ...
>
> I see. Thanks.
> BTW, I have just made another little change:
>
> #define cpu_has_dc_aliases (PAGE_SIZE < 0x4000)
>
> Since waysize is 16k.
>
> Anyway, it is good to include this file now, or postpone it a little later?
> If yes, then I will send a new version soon.
Correct - but this alone doesn't get all 4k or 64k pages to work so how
about we deal with this one later?
Ralf
next prev parent reply other threads:[~2009-04-02 11:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-02 7:41 [PATCH] added Loongson cpu-feature-overrides.h Zhang Le
2009-04-02 10:56 ` Zhang Le
2009-04-02 11:13 ` Ralf Baechle
2009-04-02 11:16 ` Ralf Baechle
2009-04-02 11:16 ` Ralf Baechle
2009-04-02 11:27 ` Zhang Le
2009-04-02 11:47 ` Ralf Baechle [this message]
2009-04-02 12:15 ` Zhang Le
-- strict thread matches above, loose matches on Subject: below --
2009-04-02 13:16 吴章金
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