[PATCH v3 04/16] powerpc/watchpoint/ptrace: Return actual num of available watchpoints

[Ravi Bangoria]

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/ptrace-noadv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/ptrace/ptrace-noadv.c 
b/arch/powerpc/kernel/ptrace/ptrace-noadv.c
index f87e7c5c3bf3..12962302d6a4 100644
--- a/arch/powerpc/kernel/ptrace/ptrace-noadv.c
+++ b/arch/powerpc/kernel/ptrace/ptrace-noadv.c
@@ -44,7 +44,7 @@ void ppc_gethwdinfo(struct ppc_debug_info *dbginfo)
        dbginfo->version = 1;
        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