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SubjectRe: [PATCH 1/3] perf/x86/amd: AMD support for bp_len > HW_BREAKPOINT_LEN_8
On Wed, Dec 04, 2013 at 02:57:43PM +0100, Oleg Nesterov wrote:
> > Ideally it would be nice if we drop bp_mask and use extended ranges
> > only when len > 8. How does that sound?
> Again, iirc, this is what the code does. except (in essence) it checks
> mask != 0 instead of len > 8.
> And yes, we can probably drop bp_mask (unless we are going to support
> the contiguous ranges), just I think we can do this later.

Ah wait, I understand now, this is not a user ABI, just an internal state.
So you're right after all.

It's never too late to be unconfused ;)

Ok let me dig into more details on the patchset.


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