nfsd: filter lookup results in V4ROOT case

[safe/jmp/linux-2.6] / kernel / trace / trace_mmiotrace.c

diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 621c8c3..0acd834 100644 (file)
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -9,6 +9,8 @@
 #include <linux/kernel.h>
 #include <linux/mmiotrace.h>
 #include <linux/pci.h>
+#include <linux/time.h>
+
 #include <asm/atomic.h>
 
 #include "trace.h"
@@ -174,7 +176,7 @@ static enum print_line_t mmio_print_rw(struct trace_iterator *iter)
        struct mmiotrace_rw *rw;
        struct trace_seq *s     = &iter->seq;
        unsigned long long t    = ns2usecs(iter->ts);
-       unsigned long usec_rem  = do_div(t, 1000000ULL);
+       unsigned long usec_rem  = do_div(t, USEC_PER_SEC);
        unsigned secs           = (unsigned long)t;
        int ret = 1;
 
@@ -184,21 +186,22 @@ static enum print_line_t mmio_print_rw(struct trace_iterator *iter)
        switch (rw->opcode) {
        case MMIO_READ:
                ret = trace_seq_printf(s,
-                       "R %d %lu.%06lu %d 0x%llx 0x%lx 0x%lx %d\n",
+                       "R %d %u.%06lu %d 0x%llx 0x%lx 0x%lx %d\n",
                        rw->width, secs, usec_rem, rw->map_id,
                        (unsigned long long)rw->phys,
                        rw->value, rw->pc, 0);
                break;
        case MMIO_WRITE:
                ret = trace_seq_printf(s,
-                       "W %d %lu.%06lu %d 0x%llx 0x%lx 0x%lx %d\n",
+                       "W %d %u.%06lu %d 0x%llx 0x%lx 0x%lx %d\n",
                        rw->width, secs, usec_rem, rw->map_id,
                        (unsigned long long)rw->phys,
                        rw->value, rw->pc, 0);
                break;
        case MMIO_UNKNOWN_OP:
                ret = trace_seq_printf(s,
-                       "UNKNOWN %lu.%06lu %d 0x%llx %02x,%02x,%02x 0x%lx %d\n",
+                       "UNKNOWN %u.%06lu %d 0x%llx %02lx,%02lx,"
+                       "%02lx 0x%lx %d\n",
                        secs, usec_rem, rw->map_id,
                        (unsigned long long)rw->phys,
                        (rw->value >> 16) & 0xff, (rw->value >> 8) & 0xff,
@@ -220,7 +223,7 @@ static enum print_line_t mmio_print_map(struct trace_iterator *iter)
        struct mmiotrace_map *m;
        struct trace_seq *s     = &iter->seq;
        unsigned long long t    = ns2usecs(iter->ts);
-       unsigned long usec_rem  = do_div(t, 1000000ULL);
+       unsigned long usec_rem  = do_div(t, USEC_PER_SEC);
        unsigned secs           = (unsigned long)t;
        int ret;
 
@@ -230,14 +233,14 @@ static enum print_line_t mmio_print_map(struct trace_iterator *iter)
        switch (m->opcode) {
        case MMIO_PROBE:
                ret = trace_seq_printf(s,
-                       "MAP %lu.%06lu %d 0x%llx 0x%lx 0x%lx 0x%lx %d\n",
+                       "MAP %u.%06lu %d 0x%llx 0x%lx 0x%lx 0x%lx %d\n",
                        secs, usec_rem, m->map_id,
                        (unsigned long long)m->phys, m->virt, m->len,
                        0UL, 0);
                break;
        case MMIO_UNPROBE:
                ret = trace_seq_printf(s,
-                       "UNMAP %lu.%06lu %d 0x%lx %d\n",
+                       "UNMAP %u.%06lu %d 0x%lx %d\n",
                        secs, usec_rem, m->map_id, 0UL, 0);
                break;
        default:
@@ -256,12 +259,12 @@ static enum print_line_t mmio_print_mark(struct trace_iterator *iter)
        const char *msg         = print->buf;
        struct trace_seq *s     = &iter->seq;
        unsigned long long t    = ns2usecs(iter->ts);
-       unsigned long usec_rem  = do_div(t, 1000000ULL);
+       unsigned long usec_rem  = do_div(t, USEC_PER_SEC);
        unsigned secs           = (unsigned long)t;
        int ret;
 
        /* The trailing newline must be in the message. */
-       ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg);
+       ret = trace_seq_printf(s, "MARK %u.%06lu %s", secs, usec_rem, msg);
        if (!ret)
                return TRACE_TYPE_PARTIAL_LINE;
 
@@ -304,23 +307,23 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
                                struct trace_array_cpu *data,
                                struct mmiotrace_rw *rw)
 {
+       struct ftrace_event_call *call = &event_mmiotrace_rw;
+       struct ring_buffer *buffer = tr->buffer;
        struct ring_buffer_event *event;
        struct trace_mmiotrace_rw *entry;
-       unsigned long irq_flags;
+       int pc = preempt_count();
 
-       event   = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-                                          &irq_flags);
+       event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW,
+                                         sizeof(*entry), 0, pc);
        if (!event) {
                atomic_inc(&dropped_count);
                return;
        }
        entry   = ring_buffer_event_data(event);
-       tracing_generic_entry_update(&entry->ent, 0, preempt_count());
-       entry->ent.type                 = TRACE_MMIO_RW;
        entry->rw                       = *rw;
-       ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
-       trace_wake_up();
+       if (!filter_check_discard(call, entry, buffer, event))
+               trace_buffer_unlock_commit(buffer, event, 0, pc);
 }
 
 void mmio_trace_rw(struct mmiotrace_rw *rw)
@@ -334,23 +337,23 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
                                struct trace_array_cpu *data,
                                struct mmiotrace_map *map)
 {
+       struct ftrace_event_call *call = &event_mmiotrace_map;
+       struct ring_buffer *buffer = tr->buffer;
        struct ring_buffer_event *event;
        struct trace_mmiotrace_map *entry;
-       unsigned long irq_flags;
+       int pc = preempt_count();
 
-       event   = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-                                          &irq_flags);
+       event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP,
+                                         sizeof(*entry), 0, pc);
        if (!event) {
                atomic_inc(&dropped_count);
                return;
        }
        entry   = ring_buffer_event_data(event);
-       tracing_generic_entry_update(&entry->ent, 0, preempt_count());
-       entry->ent.type                 = TRACE_MMIO_MAP;
        entry->map                      = *map;
-       ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
-       trace_wake_up();
+       if (!filter_check_discard(call, entry, buffer, event))
+               trace_buffer_unlock_commit(buffer, event, 0, pc);
 }
 
 void mmio_trace_mapping(struct mmiotrace_map *map)
@@ -366,5 +369,5 @@ void mmio_trace_mapping(struct mmiotrace_map *map)
 
 int mmio_trace_printk(const char *fmt, va_list args)
 {
-       return trace_vprintk(0, -1, fmt, args);
+       return trace_vprintk(0, fmt, args);
 }