Commit-ID: 07720b63a964851928fa5d8b00ee5270d66b94f7 Gitweb: http://git.kernel.org/tip/07720b63a964851928fa5d8b00ee5270d66b94f7 Author: Oleg Nesterov <oleg@xxxxxxxxxx> AuthorDate: Thu, 28 Mar 2013 18:01:04 +0100 Committer: Oleg Nesterov <oleg@xxxxxxxxxx> CommitDate: Sat, 13 Apr 2013 15:31:59 +0200 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@xxxxxxxxxx> Acked-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx> Tested-by: Anton Arapov <anton@xxxxxxxxxx> --- kernel/trace/trace_uprobe.c | 4 ++-- 1 file 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); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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