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From: Franck Bui-Huu <vagabon.xyz@gmail.com>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: vagabon.xyz@gmail.com, ths@networkno.de, ralf@linux-mips.org,
	linux-mips@linux-mips.org
Subject: Re: [PATCH] setup.c: introduce __pa_symbol() and get ride of CPHYSADDR()
Date: Tue, 10 Oct 2006 18:04:53 +0200	[thread overview]
Message-ID: <452BC4A5.3080706@innova-card.com> (raw)
In-Reply-To: <20061011.002914.76462350.anemo@mba.ocn.ne.jp>

Atsushi Nemoto wrote:
> On Tue, 10 Oct 2006 17:01:53 +0200, Franck Bui-Huu <vagabon.xyz@gmail.com> wrote:
>>> I think this peice of code is just broken, as you said.  This is bogus
>>> but harmless since we have not checked these resources are
>>> successfully registered or not.
>> what about all other uses of virt_to_phys(x) ? And what the point to set
>> PAGE_OFFSET to 0xa800000000000000 ? I'm really confused...
> 
> For now I have not seen any problem on other usages.
> 

do you know at which point the kernel starts to use XKPHYS addresses ?

> We can use large flat mapping space in XKPHYS.  No TLB conversion, no
> highmem trick.
> 

ok, and does the trick on KSEG0/XKPHYS really worth ? I mean what is
the size code gain ?

Thanks
		Franck

  reply	other threads:[~2006-10-10 16:03 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-06 13:36 [PATCH] setup.c: introduce __pa_symbol() and get ride of CPHYSADDR() Franck Bui-Huu
2006-10-06 17:21 ` Thiemo Seufer
2006-10-09 11:58   ` Franck Bui-Huu
2006-10-09 13:21     ` Thiemo Seufer
2006-10-09 14:25       ` Franck Bui-Huu
2006-10-09 14:58         ` Thiemo Seufer
2006-10-09 15:30           ` Franck Bui-Huu
2006-10-09 15:51           ` Atsushi Nemoto
2006-10-09 16:59             ` Thiemo Seufer
2006-10-10  8:49               ` Atsushi Nemoto
2006-10-10 13:49                 ` Franck Bui-Huu
2006-10-10 14:19                   ` Atsushi Nemoto
2006-10-10 15:01                     ` Franck Bui-Huu
2006-10-10 15:29                       ` Atsushi Nemoto
2006-10-10 16:04                         ` Franck Bui-Huu [this message]
2006-10-10 16:16                           ` Franck Bui-Huu
2006-10-10 21:51                           ` Ralf Baechle
2006-10-11  3:11                             ` Atsushi Nemoto
2006-10-11  9:37                             ` Franck Bui-Huu

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