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

From: Andi Kleen
Date: Fri Apr 10 2015 - 19:16:44 EST

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.


ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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