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authorIngo Molnar <mingo@elte.hu>2010-01-13 09:58:37 +0100
committerIngo Molnar <mingo@elte.hu>2010-01-13 10:08:50 +0100
commit61405fea92c42d072d9b8bd189689f1502a838af (patch)
tree013ea3e7ed71f4114004d5852d40b6e89e128f76 /kernel/perf_event.c
parent9c443dfdd31eddea6cbe6ee0ca469fbcc4e1dc3b (diff)
parent1703f2c321a8a531c393e137a82602e16c6061cb (diff)
downloadop-kernel-dev-61405fea92c42d072d9b8bd189689f1502a838af.zip
op-kernel-dev-61405fea92c42d072d9b8bd189689f1502a838af.tar.gz
Merge branch 'perf/urgent' into perf/core
Merge reason: queue up dependent patch, update to -rc4 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r--kernel/perf_event.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 5b987b4..27f69a04 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -1618,7 +1618,7 @@ static struct perf_event_context *find_get_context(pid_t pid, int cpu)
* offline CPU and activate it when the CPU comes up, but
* that's for later.
*/
- if (!cpu_isset(cpu, cpu_online_map))
+ if (!cpu_online(cpu))
return ERR_PTR(-ENODEV);
cpuctx = &per_cpu(perf_cpu_context, cpu);
@@ -4725,7 +4725,7 @@ SYSCALL_DEFINE5(perf_event_open,
if (IS_ERR(event))
goto err_put_context;
- err = anon_inode_getfd("[perf_event]", &perf_fops, event, 0);
+ err = anon_inode_getfd("[perf_event]", &perf_fops, event, O_RDWR);
if (err < 0)
goto err_free_put_context;
@@ -5149,7 +5149,7 @@ int perf_event_init_task(struct task_struct *child)
GFP_KERNEL);
if (!child_ctx) {
ret = -ENOMEM;
- goto exit;
+ break;
}
__perf_event_init_context(child_ctx, child);
@@ -5165,7 +5165,7 @@ int perf_event_init_task(struct task_struct *child)
}
}
- if (inherited_all) {
+ if (child_ctx && inherited_all) {
/*
* Mark the child context as a clone of the parent
* context, or of whatever the parent is a clone of.
@@ -5185,7 +5185,6 @@ int perf_event_init_task(struct task_struct *child)
get_ctx(child_ctx->parent_ctx);
}
-exit:
mutex_unlock(&parent_ctx->mutex);
perf_unpin_context(parent_ctx);
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