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author | Ingo Molnar <mingo@elte.hu> | 2009-03-05 12:47:28 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-05 12:47:28 +0100 |
commit | 7df4edb07cf54a4868b9a750424c0d2aa68f8d66 (patch) | |
tree | 0ad0ad3f3dcb6f9edf26dde42ba625053dddf54f /drivers/oprofile/cpu_buffer.h | |
parent | 0d688da5505d77bcef2441e0a22d8cc26459702d (diff) | |
parent | 559595a985e106d2fa9f0c79b7f5805453fed593 (diff) |
Merge branch 'linus' into core/iommu
Diffstat (limited to 'drivers/oprofile/cpu_buffer.h')
-rw-r--r-- | drivers/oprofile/cpu_buffer.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h index 63f81c44846..272995d2029 100644 --- a/drivers/oprofile/cpu_buffer.h +++ b/drivers/oprofile/cpu_buffer.h @@ -66,6 +66,13 @@ static inline void op_cpu_buffer_reset(int cpu) cpu_buf->last_task = NULL; } +/* + * op_cpu_buffer_add_data() and op_cpu_buffer_write_commit() may be + * called only if op_cpu_buffer_write_reserve() did not return NULL or + * entry->event != NULL, otherwise entry->size or entry->event will be + * used uninitialized. + */ + struct op_sample *op_cpu_buffer_write_reserve(struct op_entry *entry, unsigned long size); int op_cpu_buffer_write_commit(struct op_entry *entry); |