x86 mmiotrace: Do not print bogus pid
Non-zero pid indicates the MMIO access originated in user space.
We do not catch that kind of accesses yet, so always print zero for now.
Signed-off-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 361472b..79be4a18e 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -117,20 +117,20 @@
ret = trace_seq_printf(s,
"R %d %lu.%06lu %d 0x%lx 0x%lx 0x%lx %d\n",
rw->width, secs, usec_rem, rw->map_id, rw->phys,
- rw->value, rw->pc, entry->pid);
+ rw->value, rw->pc, 0);
break;
case MMIO_WRITE:
ret = trace_seq_printf(s,
"W %d %lu.%06lu %d 0x%lx 0x%lx 0x%lx %d\n",
rw->width, secs, usec_rem, rw->map_id, rw->phys,
- rw->value, rw->pc, entry->pid);
+ rw->value, rw->pc, 0);
break;
case MMIO_UNKNOWN_OP:
ret = trace_seq_printf(s,
"UNKNOWN %lu.%06lu %d 0x%lx %02x,%02x,%02x 0x%lx %d\n",
secs, usec_rem, rw->map_id, rw->phys,
(rw->value >> 16) & 0xff, (rw->value >> 8) & 0xff,
- (rw->value >> 0) & 0xff, rw->pc, entry->pid);
+ (rw->value >> 0) & 0xff, rw->pc, 0);
break;
default:
ret = trace_seq_printf(s, "rw what?\n");