Re: Checking to see if a bit is _not_ set in a ftrace event filter

[Steven Rostedt]

On Mon, 1 Dec 2014 19:52:11 -0800
Alexei Starovoitov <ast@xxxxxxxxxxxx> wrote:

> yeah. teaching tree walk to do (state & 2048) == 0 is not trivial,
> since it doesn't have a concept of value of expression.
> Doing !(state & 2048) is probably a bit easier, since there
> are hacks for 'not' already.

That's exactly what I was looking at doing. If I can get something
working without spending more than an hour or two, I may even push it
for this release cycle.

-- Steve

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