lkml.org 
[lkml]   [2005]   [Nov]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [linux-pm] [RFC] userland swsusp
From
Date
On Maw, 2005-11-15 at 17:25 -0500, Dave Jones wrote:
> Just for info: If this goes in, Red Hat/Fedora kernels will fork
> swsusp development, as this method just will not work there.
> (We have a restricted /dev/mem that prevents writes to arbitary
> memory regions, as part of a patchset to prevent rootkits)

Perhaps it is trying to tell you that you should be using SELinux rules
not kernel hacks for this purpose ?

> Even it were not for this, the whole idea seems misconcieved to me
> anyway.

I'm sceptical too but several Win9x BIOS vendor suspend paths were
implemented in roughly this way. I don't however see how you can
co-ordinate the freeze with outstanding O_DIRECT DMA to user pages for
one item.


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

\
 
 \ /
  Last update: 2005-11-18 20:07    [from the cache]
©2003-2011 Jasper Spaans