linux-kernel - Re: [PATCH v8 0/2] Introducing trace buffer mapping by user-space

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Message-ID: <20231220110257.2b338dce@gandalf.local.home>
Date: Wed, 20 Dec 2023 11:02:57 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Vincent Donnefort <vdonnefort@...gle.com>
Cc: mhiramat@...nel.org, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, kernel-team@...roid.com
Subject: Re: [PATCH v8 0/2] Introducing trace buffer mapping by user-space

On Wed, 20 Dec 2023 13:49:30 +0000
Vincent Donnefort <vdonnefort@...gle.com> wrote:

> I meant, to only do in rb_wake_up_waiters()
> 
>   if (rbwork->is_cpu_buffer) 
>   	rb_update_meta_page(cpu_buffer)
> 
> And skip the meta-page update for the !is_cpu_buffer case?

Ah yeah, that works.

-- Steve