From: Steven Rostedt <rostedt@goodmis.org>
To: Alexei Starovoitov <ast@plumgrid.com>
Cc: Daniel Wagner <wagi@monom.org>,
paulmck@linux.vnet.ibm.com,
Daniel Wagner <daniel.wagner@bmw-carit.de>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: call_rcu from trace_preempt
Date: Tue, 16 Jun 2015 21:19:12 -0400 [thread overview]
Message-ID: <20150616211912.455c0b83@grimm.local.home> (raw)
In-Reply-To: <5580C7A7.5040705@plumgrid.com>
On Tue, 16 Jun 2015 18:04:39 -0700
Alexei Starovoitov <ast@plumgrid.com> wrote:
>
> you mean similar to what rb_wakeups() and friends are doing?
> makes sense. starting to study it...
Yes, I meant those functions. But yours would be slightly different. As
it would be the one calling the irq work that would be setting the
flag, not a separate entity (like the reader of the ring buffer).
I haven't fully thought it through, but I imagine it should still work.
-- Steve
next prev parent reply other threads:[~2015-06-17 1:18 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-15 22:24 call_rcu from trace_preempt Alexei Starovoitov
2015-06-15 23:07 ` Paul E. McKenney
2015-06-16 1:09 ` Alexei Starovoitov
2015-06-16 2:14 ` Paul E. McKenney
2015-06-16 5:45 ` Alexei Starovoitov
2015-06-16 6:06 ` Daniel Wagner
2015-06-16 6:25 ` Alexei Starovoitov
2015-06-16 6:34 ` Daniel Wagner
2015-06-16 6:46 ` Alexei Starovoitov
2015-06-16 6:54 ` Daniel Wagner
2015-06-16 12:27 ` Paul E. McKenney
2015-06-16 12:38 ` Daniel Wagner
2015-06-16 14:16 ` Paul E. McKenney
2015-06-16 15:43 ` Steven Rostedt
2015-06-16 16:07 ` Paul E. McKenney
2015-06-16 17:13 ` Daniel Wagner
2015-06-16 15:41 ` Steven Rostedt
2015-06-16 15:52 ` Steven Rostedt
2015-06-16 17:11 ` Daniel Wagner
2015-06-16 17:20 ` Alexei Starovoitov
2015-06-16 17:37 ` Steven Rostedt
2015-06-17 0:33 ` Alexei Starovoitov
2015-06-17 0:47 ` Steven Rostedt
2015-06-17 1:04 ` Alexei Starovoitov
2015-06-17 1:19 ` Steven Rostedt [this message]
2015-06-17 8:11 ` Daniel Wagner
2015-06-17 9:05 ` Daniel Wagner
2015-06-17 18:39 ` Alexei Starovoitov
2015-06-17 20:37 ` Paul E. McKenney
2015-06-17 20:53 ` Alexei Starovoitov
2015-06-17 21:36 ` Paul E. McKenney
2015-06-17 23:58 ` Alexei Starovoitov
2015-06-18 0:20 ` Paul E. McKenney
2015-06-16 15:37 ` Steven Rostedt
2015-06-16 16:05 ` Paul E. McKenney
2015-06-16 17:14 ` Alexei Starovoitov
2015-06-16 17:39 ` Paul E. McKenney
2015-06-16 18:57 ` Steven Rostedt
2015-06-16 19:20 ` Paul E. McKenney
2015-06-16 19:29 ` Steven Rostedt
2015-06-16 19:34 ` Paul E. McKenney
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