| Message ID | 20200309085806.155823-5-ravi.bangoria@linux.ibm.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | powerpc/watchpoint: Preparation for more than one watchpoint | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (ab326587bb5fb91cc97df9b9f48e9e1469f04621) |
| snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 8 lines checked |
| snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
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;
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> --- arch/powerpc/kernel/ptrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)