Messages in this thread | | | Date | Thu, 7 Nov 2002 07:44:51 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [lkcd-devel] Re: What's left over. |
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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
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