Re: [PATCH 1/4] x86,hw_breakpoint,kgdb: kgdb to usehw_breakpointAPI

From: Frederic Weisbecker
Date: Thu Jan 28 2010 - 15:17:54 EST

On Thu, Jan 28, 2010 at 01:58:26PM -0600, Jason Wessel wrote:
> New version which loses the call back registration, because if we
> register as a different breakpoint type, perf won't reject it.

I don't understand what you mean here.

> I didn't
> see that loop hole in the API the first time around.
> Also the dr7 fixup in hw_breakpoint.c is not needed.
> The trickery for entering twice into the __kgdb_notify is gone too.
> All the regression tests are still passing.

Ok. Well, let's go for it, as it's a regression that
needs to be fixed anyway.

But we'll need to sanitize various things after that :)

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