Re: [patch 05/14] percpu: Use a Kconfig variable to configure arch specific percpu setup

Andi Kleen
2007-11-29T01:18:17Z

On Wed, Nov 28, 2007 at 04:11:37PM -0800, Christoph Lameter wrote:
> 1. The stack canary

You would need to change gcc with a new option and only allow the stack
checking when the compiler supports the new option. However the problem
is still how to get a reasonable fixed offset. Or perhaps just change
gcc to use a linker symbol relative to %gs that could be set to anything?

-Andi