lkml.org 
[lkml]   [2002]   [Nov]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [lkcd-devel] Re: What's left over.

On 7 Nov 2002, Eric W. Biederman wrote:
>
> There are currently 2 cases that it would be nice to have work.
> 1) Load a new kernel and immediately execute it.
> 2) Load a new kernel and execute it on panic.

I really don't think (1) is _ever_ a valid thing to do.

The fact is, loading a new kernel wants filesystems and a fully working
system. While executing it wants the filesystems quiescent.

> panic does not call sys_reboot it rolls that functionality by hand.

Forget about panic for now. It's a design issue - it should be possible to
work, but somebody else can do it if the infrastructure is done right.

> In a unified design I can buffer the image in the anonymous pages of a
> user space process just as well as I can in locked down kernel memory.

And in a unified design, I won't apply the patches. It's that simple.

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: 2005-03-22 13:30    [W:1.113 / U:0.796 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site