From: Ralf Baechle <ralf@linux-mips.org>
To: Kumba <kumba@gentoo.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Florian Lohoff <flo@rfc822.org>,
linux-mips@linux-mips.org, debian-mips@lists.debian.org
Subject: Re: Tester with IP27/IP30 needed
Date: Sun, 3 Feb 2008 03:16:48 +0100 [thread overview]
Message-ID: <20080203021647.GA15910@linux-mips.org> (raw)
In-Reply-To: <47A4E9DF.5070603@gentoo.org>
On Sat, Feb 02, 2008 at 05:08:31PM -0500, Kumba wrote:
>
> Thomas Bogendoerfer wrote:
>> no suprise here. As Ralf already noted cache barrier is a restricted
>> instruction, it will always cause a illegal instruction when used
>> in user space. Nevertheless it looks like all IP28 are affected
>> by the simple exploit. Flo built glibc 2.7 with LLSC war workaround
>> and this avoids triggering the hang.
>
> Ah, didn't know the 'cache' instructions was kernel-mode only. Explains
> why it survived then :)
>
> How does one enable the LLSC war workaround in glibc?
By modifying the code ;-)
Ralf
next prev parent reply other threads:[~2008-02-03 2:16 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-15 11:24 Tester with IP27/IP30 needed Thomas Bogendoerfer
2008-01-15 11:27 ` Florian Lohoff
2008-01-17 0:40 ` Thomas Bogendoerfer
2008-01-17 8:27 ` Florian Lohoff
2008-01-17 10:00 ` Thomas Bogendoerfer
2008-01-17 15:10 ` Ralf Baechle
2008-01-19 19:12 ` Thomas Bogendoerfer
2008-01-17 11:59 ` Ralf Baechle
2008-01-22 15:20 ` Kumba
2008-01-22 15:49 ` Ralf Baechle
2008-01-26 3:12 ` Kumba
2008-01-26 14:39 ` Thomas Bogendoerfer
2008-02-02 22:08 ` Kumba
2008-02-03 2:16 ` Ralf Baechle [this message]
2008-02-03 6:27 ` Florian Lohoff
2008-02-05 7:11 ` Kumba
2008-02-05 12:22 ` Thiemo Seufer
2008-02-06 3:25 ` Kumba
2008-02-06 8:56 ` Florian Lohoff
2008-02-06 14:22 ` Ralf Baechle
2008-02-08 17:23 ` Florian Lohoff
2008-02-08 19:05 ` Thiemo Seufer
2008-02-08 19:29 ` Ralf Baechle
2008-02-07 5:30 ` Kumba
2008-02-05 15:23 ` Ralf Baechle
2008-01-23 8:47 ` peter fuerst
2008-01-15 13:11 ` Ralf Baechle
2008-01-15 13:53 ` Ralf Baechle
2008-01-15 18:18 ` Ralf Baechle
2008-01-16 16:03 ` 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=20080203021647.GA15910@linux-mips.org \
--to=ralf@linux-mips.org \
--cc=debian-mips@lists.debian.org \
--cc=flo@rfc822.org \
--cc=kumba@gentoo.org \
--cc=linux-mips@linux-mips.org \
--cc=tsbogend@alpha.franken.de \
/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.