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Merge branch 'x86/core' into cpus4096

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This commit is contained in:
Ingo Molnar 2009-03-11 10:49:34 +01:00
commit d95c357812
3225 changed files with 93955 additions and 54580 deletions
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5
drivers/oprofile/cpu_buffer.c
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@ -393,16 +393,21 @@ oprofile_write_reserve(struct op_entry *entry, struct pt_regs * const regs,
return;
fail:
entry->event = NULL;
cpu_buf->sample_lost_overflow++;
}
int oprofile_add_data(struct op_entry *entry, unsigned long val)
{
if (!entry->event)
return 0;
return op_cpu_buffer_add_data(entry, val);
}
int oprofile_write_commit(struct op_entry *entry)
{
if (!entry->event)
return -EINVAL;
return op_cpu_buffer_write_commit(entry);
}

7
drivers/oprofile/cpu_buffer.h
View file

@ -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);