Commit 45093b38 authored by Ravi Bangoria's avatar Ravi Bangoria Committed by Michael Ellerman
Browse files

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



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: default avatarRavi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Reviewed-by: default avatarMichael Neuling <mikey@neuling.org>
Link: https://lore.kernel.org/r/20200514111741.97993-5-ravi.bangoria@linux.ibm.com
parent a6ba44e8

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

+1 −1
Original line number Diff line number Diff line
@@ -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;