From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] settings AR.k0 to ia64_iobase is wrong?
Date: Tue, 31 Jul 2001 08:17:07 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590693005965@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590693005964@msgid-missing>
>>>>> On Tue, 31 Jul 2001 15:36:18 +0900, nomura@hpc.bs1.fc.nec.co.jp said:
Nomura> To be more precise, on our platform, SAL sets ar.k0 to
Nomura> 0x80000ffffc000000 for uncached access to
Nomura> 0xffffc000000.
This isn't right. There is no way a VA->PA translation can set bit 63
so address 0x80000ffffc000000 could only be generated in physical
mode, which Linux (almost) never uses. The address 0xffffc000000 is
correct since Linux will access the memory range only through uncached
space (region 6).
--david
next prev parent reply other threads:[~2001-07-31 8:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-31 6:36 [Linux-ia64] settings AR.k0 to ia64_iobase is wrong? nomura
2001-07-31 8:17 ` David Mosberger [this message]
2001-07-31 10:06 ` nomura
2001-07-31 18:06 ` David Mosberger
2001-07-31 18:57 ` Dong Wei
2001-07-31 19:22 ` David Mosberger
2001-08-01 20:02 ` Mallick, Asit K
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=marc-linux-ia64-105590693005965@msgid-missing \
--to=davidm@hpl.hp.com \
--cc=linux-ia64@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox