From: Steven Rostedt <rostedt@goodmis.org>
To: Alexei Starovoitov <ast@plumgrid.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Checking to see if a bit is _not_ set in a ftrace event filter
Date: Mon, 1 Dec 2014 22:58:16 -0500 [thread overview]
Message-ID: <20141201225816.01f85aba@gandalf.local.home> (raw)
In-Reply-To: <20141201225725.1e94aa66@gandalf.local.home>
On Mon, 1 Dec 2014 22:57:25 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:
> On Mon, 1 Dec 2014 19:52:11 -0800
> Alexei Starovoitov <ast@plumgrid.com> 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.
Clarification; When I said "release cycle", I meant the next merge
window. Not for 3.18.
-- Steve
next prev parent reply other threads:[~2014-12-02 3:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-02 2:19 Theodore Ts'o
2014-12-02 2:41 ` Steven Rostedt
2014-12-02 3:52 ` Alexei Starovoitov
2014-12-02 3:57 ` Steven Rostedt
2014-12-02 3:58 ` Steven Rostedt [this message]
2014-12-02 4:51 ` Steven Rostedt
2014-12-02 5:04 ` Theodore Ts'o
2014-12-02 5:58 ` Alexei Starovoitov
2014-12-02 12:14 ` Theodore Ts'o
2014-12-03 0:02 ` Alexei Starovoitov
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