From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D2F696E5ED; Tue, 2 Jul 2024 19:41:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719949309; cv=none; b=rHVL7t1GhUFottjhom7jf794lUlgiUnBsaLfZL24umbibOxQzHeIKVVPopbqa0YyyaynMo2VZgxGV4nKiI/sSRSuVhTdUVoI+jJK1sydozt/+pMAsUPuNtCPDkUJnraBAWSr5fvr5h9GM43orCF+M+H+pmh/16euLknwXHkvYB8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719949309; c=relaxed/simple; bh=quOm75f4d0jmhzpI2KIY6f6RpCy8CjJ0XUfSDP/koc4=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DV7Bjqz+o8t7CyBeSId2dVVud5wXfZb8nInGpTjBZKzl5AhX8eSZrqQYDE3oVGMNGJRxJqcYMeWyUqsXdFeEGWzOkZieWEa+NMeWtD3hOkjMqkqtaYFM5IOSppl+5OVNY7Ui7gFRnJjDuUMcytMqtF6QYeNouxiN3yTov8BGMHk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8212AC116B1; Tue, 2 Jul 2024 19:41:48 +0000 (UTC) Date: Tue, 2 Jul 2024 15:41:46 -0400 From: Steven Rostedt To: Mathieu Desnoyers Cc: LKML , Linux trace kernel , Masami Hiramatsu , "Dmitry V. Levin" , Jonathan Corbet , linux-doc@vger.kernel.org Subject: Re: [PATCH] tracing: Have memmapped ring buffer use ioctl of "R" range 0x20-2F Message-ID: <20240702154146.754e2ad5@rorschach.local.home> In-Reply-To: <2227082b-381d-40bf-a106-eb789e433215@efficios.com> References: <20240702153354.367861db@rorschach.local.home> <2227082b-381d-40bf-a106-eb789e433215@efficios.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 2 Jul 2024 15:38:10 -0400 Mathieu Desnoyers wrote: > On 2024-07-02 15:33, Steven Rostedt wrote: > > From: "Steven Rostedt (Google)" > > > > To prevent conflicts with other ioctl numbers to allow strace to have an > > idea of what is happening, add the rang of ioctls for the trace buffer Hmm, someone "rang an ioctl" ;-) I'll update the change log before pulling this in. > > mapping from _IO("T", 0x1) to the range of "R" 0x20 - 0x2F. > > > > Link: https://lore.kernel.org/linux-trace-kernel/20240630105322.GA17573@altlinux.org/ > > > > Reported-by: "Dmitry V. Levin" > > Signed-off-by: Steven Rostedt (Google) > > Reviewed-by: Mathieu Desnoyers Thanks, -- Steve