uprobes/tracing: Kill the pointless local_save_flags/preempt_count calls

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uprobe_trace_func() is never called with irqs or preemption
disabled, no need to ask preempt_count() or local_save_flags().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Anton Arapov <anton@redhat.com>

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This commit is contained in:

Oleg Nesterov 2013-03-28 19:19:11 +01:00

parent 456fdbcb86

commit 0e3853d202

1 changed files with 3 additions and 7 deletions

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kernel/trace/trace_uprobe.c

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