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hw-breakpoints: Drop callback and task parameters from modify helper

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Drop the callback and task parameters from modify_user_hw_breakpoint().
For now we have no user that need to modify a breakpoint to the point
of changing its handler or its task context.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "K. Prasad" <prasad@linux.vnet.ibm.com>
This commit is contained in:
Frederic Weisbecker
2009-12-05 07:06:10 +01:00
parent 9cef30815b
commit 2f0993e0fb
3 changed files with 7 additions and 13 deletions
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7
kernel/hw_breakpoint.c
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@ -312,9 +312,7 @@ EXPORT_SYMBOL_GPL(register_user_hw_breakpoint);
* @tsk: pointer to 'task_struct' of the process to which the address belongs
*/
struct perf_event *
modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr,
perf_callback_t triggered,
struct task_struct *tsk)
modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr)
{
/*
* FIXME: do it without unregistering
@ -323,7 +321,8 @@ modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr,
*/
unregister_hw_breakpoint(bp);
return perf_event_create_kernel_counter(attr, -1, tsk->pid, triggered);
return perf_event_create_kernel_counter(attr, -1, bp->ctx->task->pid,
bp->callback);
}
EXPORT_SYMBOL_GPL(modify_user_hw_breakpoint);