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.bango...@linux.ibm.com> --- arch/powerpc/kernel/ptrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 25c0424e8868..dd46e174dbe7 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -3074,7 +3074,7 @@ long arch_ptrace(struct task_struct *child, long request, #else /* !CONFIG_PPC_ADV_DEBUG_REGS */ dbginfo.num_instruction_bps = 0; if (ppc_breakpoint_available()) - dbginfo.num_data_bps = 1; + dbginfo.num_data_bps = nr_wp_slots(); else dbginfo.num_data_bps = 0; dbginfo.num_condition_regs = 0; -- 2.21.1