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powerpc: Change hardware breakpoint to allow longer ranges
authorMichael Neuling <mikey@neuling.org>
Thu, 24 Jan 2013 15:02:59 +0000 (15:02 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 29 Jan 2013 00:35:08 +0000 (11:35 +1100)
Change the hardware breakpoint code so that we can support wider ranged
breakpoints.

This means both ptrace and perf hardware breakpoints can use upto 512 byte long
breakpoints when using the DAWR and only 8 byte when using the DABR.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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