From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: Problems using psr.dd
Date: Thu, 20 Nov 2003 02:39:40 +0000 [thread overview]
Message-ID: <marc-linux-ia64-106929606629827@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-106879020623297@msgid-missing>
>>>>> On Fri, 14 Nov 2003 17:09:15 +1100, Keith Owens <kaos@sgi.com> said:
Keith> I am unable to successfully use psr.dd on 2.4 and 2.6
Keith> kernels. The patches below plus the debug.c module
Keith> demonstrate the problem. do_trap29() sets regs->cr_ipsr.dd
Keith> and returns. The kernel drops through ia64_leave_kernel,
Keith> loads the modified ipsr and does rfi. However the same debug
Keith> fault occurs again, as if psr.dd were being ignored.
Keith> What am I missing?
Did you find the answer already?
I'm wondering if the problem would still occurr if the
debug-fault-triggering memory access was in a function with an empty
register frame.
--david
next prev parent reply other threads:[~2003-11-20 2:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-14 6:09 Problems using psr.dd Keith Owens
2003-11-20 2:39 ` David Mosberger [this message]
2003-11-20 4:32 ` Keith Owens
2003-11-20 7:18 ` Matt Chapman
2003-11-20 7:52 ` Keith Owens
2003-11-20 18:47 ` David Mosberger
2003-11-20 20:29 ` Seth, Rohit
2003-11-20 21:24 ` David Mosberger
2003-11-20 23:15 ` Keith Owens
2003-11-20 23:32 ` David Mosberger
2003-11-21 0:55 ` Seth, Rohit
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-ia64-106929606629827@msgid-missing \
--to=davidm@napali.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.