On Tue, Dec 2, 2014 at 12:35 PM, Steven Rostedt <[email protected]> wrote: > > Ted noticed that he could not filter on an event for a bit being cleared. > That's because the filtering logic only tests event fields with a limited > number of comparisons which, for bit logic, only include "&", which can > test if a bit is set, but there's no good way to see if a bit is clear. > > This adds a way to do: !(field & 2048) > > Which returns true if the bit is not set, and false otherwise. > > Note, currently !(field1 == 10 && field2 == 15) is not supported. > That is, the 'not' only works for direct comparisons, not for the > AND and OR logic. > > Link: http://lkml.kernel.org/r/[email protected] > Link: http://lkml.kernel.org/r/[email protected] > > Suggested-by: "Theodore Ts'o" <[email protected]> > Signed-off-by: Steven Rostedt <[email protected]>
looks good to me. Acked-by: Alexei Starovoitov <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
