linux-kernel - Re: [PATCH -rt] update kmap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 27 Dec 2006 13:36:56 -0800
From:	Daniel Walker <dwalker@...sta.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -rt] update kmap_atomic on !HIGHMEM

On Wed, 2006-12-27 at 22:25 +0100, Ingo Molnar wrote:
> * Daniel Walker <dwalker@...sta.com> wrote:
> 
> > I got some scheduling while atomic on x86-64 , and since x86-64 
> > doesn't seem to have HIGHMEM there's no workaround for kmap_atomic() .
> > 
> > This patch adds the same as i386 HIGHMEM for !HIGHMEM.
> 
> the problem is that this does not disable pagefaulting while 
> kmap-atomic. Could you try the patch below, does it solve the assert?
> 

That goes for the other CONFIG_HIGHMEM changes also? I mean if we can't
do it here we shouldn't do it else where..

(note, I just used testscripts/ltpstress.sh from LTP to reproduce this.)

Daniel 

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/