From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-mm@kvack.org
Subject: Re: VM problem with 2.4.8-ac9 (fwd)
Date: Thu, 23 Aug 2001 13:53:22 +0100 (BST) [thread overview]
Message-ID: <E15Ztz8-0003mC-00@the-village.bc.nu> (raw)
In-Reply-To: <m1zo8rl2lt.fsf@frodo.biederman.org> from "Eric W. Biederman" at Aug 23, 2001 12:19:58 AM
> Can I ask which tlb optimisations these are. I have a couple
> of reports of dosemu killing the kernel on 2.4.7-ac6 and 2.4.8-ac7 and
> similiar kernels, on machines with slow processors. It has been
Unrelated. The tlb shootdown fix is ages old and fixes a real bug in Linus
tree.
There are interactions between the segment reload patch and vm86() operation
where segmnet registers happen to be left holding CS/DS values that make
the kernel think its optimising a kernel->kernel transition when its seeing
old vm86 mode selectors
Andi Kleen is working on that one
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next prev parent reply other threads:[~2001-08-23 12:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-22 19:25 Rik van Riel
2001-08-22 18:27 ` Marcelo Tosatti
2001-08-23 8:25 ` Jari Ruusu
2001-08-23 17:35 ` Jari Ruusu
2001-08-23 20:24 ` Hugh Dickins
2001-08-23 20:29 ` Alan Cox
2001-08-23 20:37 ` Rik van Riel
2001-08-24 17:23 ` Jari Ruusu
2001-08-24 17:41 ` Alan Cox
2001-08-24 18:40 ` Marcelo Tosatti
2001-08-24 20:11 ` Rik van Riel
2001-08-25 13:10 ` Jari Ruusu
2001-08-28 15:49 ` Jari Ruusu
2001-08-22 21:14 ` Alan Cox
2001-08-22 21:28 ` Rik van Riel
2001-08-22 21:33 ` Alan Cox
2001-08-22 20:03 ` Marcelo Tosatti
2001-08-22 21:34 ` Rik van Riel
2001-08-23 6:19 ` Eric W. Biederman
2001-08-23 12:53 ` Alan Cox [this message]
2001-08-23 13:18 ` Rik van Riel
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