powerpc/watchpoint/ptrace: Return actual num of available watchpoints

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User can ask for num of available watchpoints(dbginfo.num_data_bps)
using ptrace(PPC_PTRACE_GETHWDBGINFO). Return actual number of
available watchpoints on the machine rather than hardcoded 1.

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/20200514111741.97993-5-ravi.bangoria@linux.ibm.com

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Ravi Bangoria 2020-05-14 16:47:29 +05:30 • committed by Michael Ellerman

parent a6ba44e879

commit 45093b382e

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arch/powerpc/kernel/ptrace/ptrace-noadv.c

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