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Date: Mon, 11 May 2020 08:28:59 +0530 From: Ravi Bangoria <ravi.bangoria@...ux.ibm.com> To: mpe@...erman.id.au, mikey@...ling.org Cc: apopple@...ux.ibm.com, paulus@...ba.org, npiggin@...il.com, christophe.leroy@....fr, naveen.n.rao@...ux.vnet.ibm.com, peterz@...radead.org, jolsa@...nel.org, oleg@...hat.com, fweisbec@...il.com, mingo@...nel.org, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org, ravi.bangoria@...ux.ibm.com Subject: [PATCH v5 04/16] 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: Ravi Bangoria <ravi.bangoria@...ux.ibm.com> Reviewed-by: Michael Neuling <mikey@...ling.org> --- 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
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