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| author | Oleg Nesterov <oleg@redhat.com> | 2013-03-28 18:01:04 +0100 |
|---|---|---|
| committer | Oleg Nesterov <oleg@redhat.com> | 2013-04-13 15:31:59 +0200 |
| commit | 07720b63a964851928fa5d8b00ee5270d66b94f7 (patch) | |
| tree | a0f34bea6ac91b0444c48fc830b53b0139c0e746 /kernel/trace | |
| parent | decc6bfb49d1eda6cec67d79b73a73fa3aaad6e5 (diff) | |
| download | op-kernel-dev-07720b63a964851928fa5d8b00ee5270d66b94f7.zip op-kernel-dev-07720b63a964851928fa5d8b00ee5270d66b94f7.tar.gz | |
uprobes/tracing: Kill the pointless task_pt_regs() calls
uprobe_trace_func() and uprobe_perf_func() do not need task_pt_regs(),
we already have "struct pt_regs *regs".
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Tested-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 8dad2a9..af5b773 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -507,7 +507,7 @@ static int uprobe_trace_func(struct trace_uprobe *tu, struct pt_regs *regs) return 0; entry = ring_buffer_event_data(event); - entry->ip = instruction_pointer(task_pt_regs(current)); + entry->ip = instruction_pointer(regs); data = (u8 *)&entry[1]; for (i = 0; i < tu->nr_args; i++) call_fetch(&tu->args[i].fetch, regs, data + tu->args[i].offset); @@ -777,7 +777,7 @@ static int uprobe_perf_func(struct trace_uprobe *tu, struct pt_regs *regs) if (!entry) goto out; - entry->ip = instruction_pointer(task_pt_regs(current)); + entry->ip = instruction_pointer(regs); data = (u8 *)&entry[1]; for (i = 0; i < tu->nr_args; i++) call_fetch(&tu->args[i].fetch, regs, data + tu->args[i].offset); |
