Re: [PATCH 4/8] x86: Add support for rd/wr fs/gs base

[Andi Kleen]

On Sat, Apr 11, 2015 at 01:05:46AM +0200, Andi Kleen wrote:
> > One might argue that this code serves no purpose, but it's there, so
> > we had better keep our per-invocation usage of DEBUG_STACK within 4k.
> 
> Only if you run NKLD. I doubt KDB or GDB support nesting.
> We can ask Jan if he still uses it.

Thinking about it more we likely still need it for kprobes,
in case someone sets them into the int3 or debug path.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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