From: "Mike Uhler" <uhler@mips.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Mike Uhler <uhler@mips.com>,
Linux/MIPS Development <linux-mips@linux-mips.org>
Cc: uhler@mips.com
Subject: Re: unaligned load in branch delay slot
Date: Mon, 13 Jan 2003 12:12:28 -0800 [thread overview]
Message-ID: <200301132012.h0DKCS631737@uhler-linux.mips.com> (raw)
In-Reply-To: Your message of "Mon, 13 Jan 2003 19:04:36 +0100." <Pine.GSO.4.21.0301131901500.21279-100000@vervain.sonytel.be>
>
> Thanks!
>
> The following patch (against linux-mips-2.4.x CVS) cures my crash.
>
> I don't know on which CPUs this may happen (need #ifdef CONFIG_CPU_VR41XX?),
> nor whether all branch and jump instructions are affected (I included
> everything that starts with a `b' or `j').
Since all MIPS jumps are unconditional, one can never have a non-taken
jump, so you can eliminate those from the patch.
/gmu
--
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
Michael Uhler, VP, Systems, Architecture, and Software Products
MIPS Technologies, Inc. Email: uhler@mips.com Pager: uhler_p@mips.com
1225 Charleston Road Voice: (650)567-5025 FAX: (650)567-5225
Mountain View, CA 94043 Mobile: (650)868-6870 Admin: (650)567-5085
WARNING: multiple messages have this Message-ID (diff)
From: "Mike Uhler" <uhler@mips.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Mike Uhler <uhler@mips.com>,
Linux/MIPS Development <linux-mips@linux-mips.org>uhler@mips.com
Subject: Re: unaligned load in branch delay slot
Date: Mon, 13 Jan 2003 12:12:28 -0800 [thread overview]
Message-ID: <200301132012.h0DKCS631737@uhler-linux.mips.com> (raw)
Message-ID: <20030113201228.fTPR02LzQRjZOx4f6hzGoQ0KubnnQgPfxSOkMoGZZXU@z> (raw)
In-Reply-To: Your message of "Mon, 13 Jan 2003 19:04:36 +0100." <Pine.GSO.4.21.0301131901500.21279-100000@vervain.sonytel.be>
>
> Thanks!
>
> The following patch (against linux-mips-2.4.x CVS) cures my crash.
>
> I don't know on which CPUs this may happen (need #ifdef CONFIG_CPU_VR41XX?),
> nor whether all branch and jump instructions are affected (I included
> everything that starts with a `b' or `j').
Since all MIPS jumps are unconditional, one can never have a non-taken
jump, so you can eliminate those from the patch.
/gmu
--
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
Michael Uhler, VP, Systems, Architecture, and Software Products
MIPS Technologies, Inc. Email: uhler@mips.com Pager: uhler_p@mips.com
1225 Charleston Road Voice: (650)567-5025 FAX: (650)567-5225
Mountain View, CA 94043 Mobile: (650)868-6870 Admin: (650)567-5085
next prev parent reply other threads:[~2003-01-13 20:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-13 16:13 unaligned load in branch delay slot Geert Uytterhoeven
2003-01-13 17:19 ` Mike Uhler
2003-01-13 17:19 ` Mike Uhler
2003-01-13 18:04 ` Geert Uytterhoeven
2003-01-13 20:12 ` Mike Uhler [this message]
2003-01-13 20:12 ` Mike Uhler
2003-01-28 2:39 ` Ralf Baechle
2003-01-28 9:30 ` Geert Uytterhoeven
2003-01-28 11:47 ` Ralf Baechle
2003-01-28 12:27 ` Geert Uytterhoeven
2003-01-29 1:39 ` Brad Parker
2003-01-29 6:40 ` Ralf Baechle
2003-01-28 12:30 ` Maciej W. Rozycki
2003-01-28 12:54 ` Ralf Baechle
2003-01-28 17:53 ` Jun Sun
2003-01-28 19:48 ` Mike Uhler
2003-01-28 19:48 ` Mike Uhler
2003-01-28 21:30 ` [OT] " justinca
2003-01-28 21:39 ` Mike Uhler
2003-01-28 21:39 ` Mike Uhler
2003-01-29 14:25 ` Ralf Baechle
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=200301132012.h0DKCS631737@uhler-linux.mips.com \
--to=uhler@mips.com \
--cc=geert@linux-m68k.org \
--cc=linux-mips@linux-mips.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.