lkml.org 
[lkml]   [2006]   [May]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Gerd Hoffman's move-vsyscall-into-user-address-range patch


On Fri, 19 May 2006, Andrew Morton wrote:
> >
> > FC1 is like really ancient. I think there was a glibc bug that caused
> > vsyscall related init hangs like that. To nevertheless let people run
> > their old stuff there's a vdso=0 boot option in exec-shield.
>
>
> Well that patch took a machine from working to non-working. Pretty serious
> stuff. We should get to the bottom of the problem so we can assess the
> risk and impact, no?

Yes. And it would be good to have a way to turn it off - either globally
of by some per-process setup (eg off by default, but turn on when doing
some magic).

The per-process one would be the harder one, because it would require the
fixmap entry, but not globally. So I suspect the only practical thing
would be to have it be a kernel boot-time option.

Linus
-
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: 2009-11-18 23:46    [W:0.062 / U:16.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site