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SubjectRe: [PATCH v2] tracing: Introduce pipe_cpumask to avoid race on trace_pipes
On Fri, 18 Aug 2023 14:03:09 +0900
Masami Hiramatsu (Google) <mhiramat@kernel.org> wrote:

> Looks good to me.
>
> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
>
> BTW, this reminds me that splice read support had been introduced for
> virtio-trace support. I've tested it with/without this patch, but I hit
> a different issue, which seems like a virtio-serial issue (per-cpu buffers
> on the guest are spliced correctly, but the data can not be read from host
> side). Let me investigate it.

Is virtio-trace using trace_pipe or trace_pipe_raw? Those two are handled
differently.

-- Steve

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