Re: [PATCH x86_64] Live Patching Function on 2.6.11.7

Ralf Baechle
2005-04-20T13:10:54Z

On Mon, Apr 18, 2005 at 02:25:06AM -0700, Chris Wedgwood wrote:

> > The call switching folks have been doing live patching at least
> > since I worked on it, over 25 years ago. This is not just
> > marketing.
>
> That still doesn't explain *why* live patching is needed.

The more optimization a modern compiler does the less practical a patching
approach seems for anything but very trivial fixes.

I'd try a shared library based approach for on the fly updates.

Ralf