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SubjectRe: [RFC] Fix 2.6.33 x86 regression to kgdb hw breakpoints - due to perf API changes

* Ingo Molnar <mingo@elte.hu> wrote:

> Hm, the kgdb hw-breakpoint changes freshly put into v2.6.33 look
> pretty broken: [...]

Sorry - i thought for a moment that it was introduced by this recent
change:

7f8b7ed: kgdb: Always process the whole breakpoint list on activate or deactivate

but it's deeper than that indeed.

Basically we have two options:

A- change kgdb to use the hw-breakpoints highlevel APIs (i'd prefer
that)

B- or keep what we had so far: kgdb overrides existing GDB (and now
perf) breakpoints

I havent noticed that hw-breakpoints lock up under kgdb.

Ingo


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