linux-kernel - Re: [PATCH] tracing: Kernel access to ftrace instances

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <8cb583dd-1712-f4c3-fa6f-191fa042137f@oracle.com>
Date:   Wed, 20 Mar 2019 11:20:41 -0700
From:   divya.indi@...cle.com
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tracing: Kernel access to ftrace instances

Sure, thanks for taking the time to review.

There are a few issues with the patch styling and some minor modifications. I will shortly send the v2 for the same.


Regards,
Divya


On 03/19/2019 01:16 PM, Steven Rostedt wrote:
> On Fri, 15 Mar 2019 16:35:25 -0700
> Divya Indi <divya.indi@...cle.com> wrote:
>
>> Ftrace provides the feature “instances” that provides the capability to
>> create multiple Ftrace ring buffers. However, currently these buffers
>> are created/accessed via userspace only. The kernel APIs providing these
>> features are not exported, hence cannot be used by other kernel
>> components.
>>
>> This patch aims to extend this infrastructure to provide the
>> flexibility to create/log/remove/ enable-disable existing trace events
>> to these buffers from within the kernel.
>>
>>
> Thanks for sending this. I'm currently working on some other changes,
> but will look in this when I'm finished with the other work. Should be
> within this week.
>
> -- Steve