Re: [PATCH 0/6] hw_breakpoint: Let the user choose not to build it(and perf too)

From: Frederic Weisbecker
Date: Wed Apr 27 2011 - 13:03:16 EST


On Wed, Apr 27, 2011 at 06:59:56PM +0200, Frederic Weisbecker wrote:
> Hi,
>
> Until now, x86 and superh32 had to always build hw_breakpoint and perf.
> And powerpc and arm were always building hw_breakpoints when perf
> was enabled.
>
> After this patchset, one can simply disable hw_breakpoints if he
> selected CONFIG_EXPERT. Afterward the user is free to select perf
> or not. Except on SH unfortunately because that would require a
> bit of change in ptrace to support singlestep failures.
>
> Frederic Weisbecker (6):
> hw_breakpoints: Split hardware breakpoints config
> hw_breakpoints: Migrate breakpoint conditional build under new config
> x86: Allow the user not to build hw_breakpoints
> hw_breakpoints: Breakpoints arch ability don't need perf events
> hw_breakpoints: Only force perf events if breakpoints are selected
> hw_breakpoints: Drop remaining misplaced dependency on perf

Ah, and every !x86 archs touched by this patchset have been compile tested only.
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