On Wed, 13 Mar 2024 00:22:10 +0900
Masami Hiramatsu (Google) wrote:
> On Tue, 12 Mar 2024 09:19:20 -0400
> Steven Rostedt wrote:
>
> > From: "Steven Rostedt (Google)"
> >
> > If a reader of the ring buffer is doing a poll, and waiting for the ring
> > buffer to hit a specific watermark, there
On Tue, 12 Mar 2024 09:19:20 -0400
Steven Rostedt wrote:
> From: "Steven Rostedt (Google)"
>
> If a reader of the ring buffer is doing a poll, and waiting for the ring
> buffer to hit a specific watermark, there could be a case where it gets
> into an infinite ping-pong loop.
>
> The poll code
From: "Steven Rostedt (Google)"
If a reader of the ring buffer is doing a poll, and waiting for the ring
buffer to hit a specific watermark, there could be a case where it gets
into an infinite ping-pong loop.
The poll code has:
rbwork->full_waiters_pending = true;
if (!cpu_buffer->shortest
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