diff mbox series

[v2,04/16] powerpc/watchpoint/ptrace: Return actual num of available watchpoints

Message ID 20200401061309.92442-5-ravi.bangoria@linux.ibm.com (mailing list archive)
State Superseded
Headers show
Series powerpc/watchpoint: Preparation for more than one watchpoint | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/merge (c6624071c338732402e8c726df6a4074473eaa0e)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/next (7074695ac6fb965d478f373b95bc5c636e9f21b0)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch linus/master (1a323ea5356edbb3073dc59d51b9e6b86908857d)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/fixes (1d0c32ec3b860a32df593a22bad0d1dbc5546a59)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch linux-next (3eb7cccdb3ae41ebb6a2f5f1ccd2821550c61fe1)
snowpatch_ozlabs/apply_patch fail Failed to apply to any branch

Commit Message

Ravi Bangoria April 1, 2020, 6:12 a.m. UTC 
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/ptrace-noadv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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;