Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/p4: Add format attributes
  tracing, sched, vfs: Fix 'old_pid' usage in trace_sched_process_exec()

3 files changed, 18 insertions, 4 deletions

diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index ef484d9d0a25..a2dfacfd7103 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -1271,6 +1271,17 @@ done:
         return num ? -EINVAL : 0;
 }
 
+PMU_FORMAT_ATTR(cccr, "config:0-31" );
+PMU_FORMAT_ATTR(escr, "config:32-62");
+PMU_FORMAT_ATTR(ht,   "config:63"   );
+
+static struct attribute *intel_p4_formats_attr[] = {
+        &format_attr_cccr.attr,
+        &format_attr_escr.attr,
+        &format_attr_ht.attr,
+        NULL,
+};
+
 static __initconst const struct x86_pmu p4_pmu = {
         .name                   = "Netburst P4/Xeon",
         .handle_irq             = p4_pmu_handle_irq,
@@ -1305,6 +1316,8 @@ static __initconst const struct x86_pmu p4_pmu = {
          * the former idea is taken from OProfile code
          */
         .perfctr_second_write   = 1,
+
+        .format_attrs           = intel_p4_formats_attr,
 };
 
 __init int p4_pmu_init(void)
diff --git a/fs/exec.c b/fs/exec.c
index 9a1d9f0a60ab..b1fd2025e59a 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1371,7 +1371,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
         unsigned int depth = bprm->recursion_depth;
         int try,retval;
         struct linux_binfmt *fmt;
-        pid_t old_pid;
+        pid_t old_pid, old_vpid;
 
         retval = security_bprm_check(bprm);
         if (retval)
@@ -1382,8 +1382,9 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
                 return retval;
 
         /* Need to fetch pid before load_binary changes it */
+        old_pid = current->pid;
         rcu_read_lock();
-        old_pid = task_pid_nr_ns(current, task_active_pid_ns(current->parent));
+        old_vpid = task_pid_nr_ns(current, task_active_pid_ns(current->parent));
         rcu_read_unlock();
 
         retval = -ENOENT;
@@ -1406,7 +1407,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
                         if (retval >= 0) {
                                 if (depth == 0) {
                                         trace_sched_process_exec(current, old_pid, bprm);
-                                        ptrace_event(PTRACE_EVENT_EXEC, old_pid);
+                                        ptrace_event(PTRACE_EVENT_EXEC, old_vpid);
                                 }
                                 put_binfmt(fmt);
                                 allow_write_access(bprm->file);
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index fbc7b1ad929b..ea7a2035456d 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -295,7 +295,7 @@ TRACE_EVENT(sched_process_exec,
         TP_fast_assign(
                 __assign_str(filename, bprm->filename);
                 __entry->pid            = p->pid;
-                __entry->old_pid        = p->pid;
+                __entry->old_pid        = old_pid;
         ),
 
         TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),