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author	Ravi Bangoria <ravi.bangoria@linux.ibm.com>
	Thu, 14 May 2020 11:17:34 +0000 (16:47 +0530)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Mon, 18 May 2020 14:11:05 +0000 (00:11 +1000)
commit	48e9d59cf378d48c9d1effb49a19f8d7eab09c64
tree	34b745bd6743e2c20343f077e943657dce3e6a0a	tree \| snapshot
parent	f52e12d18afe1c89c0fc22276a462d1412d519d7	commit \| diff

powerpc/watchpoint: Convert thread_struct->hw_brk to an array

So far powerpc hw supported only one watchpoint. But Power10 is
introducing 2nd DAWR. Convert thread_struct->hw_brk into an array.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Michael Neuling <mikey@neuling.org>
Link: https://lore.kernel.org/r/20200514111741.97993-10-ravi.bangoria@linux.ibm.com

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