linux-kernel - Re: [PATCH v23 3/5] tracing: Allow user-space mapping of the ring-buffer

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: <20240703222646.GA2025-beaub@linux.microsoft.com>
Date: Wed, 3 Jul 2024 22:26:46 +0000
From: Beau Belgrave <beaub@...ux.microsoft.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"Dmitry V. Levin" <ldv@...ace.io>,
	Vincent Donnefort <vdonnefort@...gle.com>, mhiramat@...nel.org,
	kernel-team@...roid.com, rdunlap@...radead.org, rppt@...nel.org,
	david@...hat.com, linux-trace-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v23 3/5] tracing: Allow user-space mapping of the
 ring-buffer

On Tue, Jul 02, 2024 at 12:51:26PM -0400, Steven Rostedt wrote:
> On Tue, 2 Jul 2024 11:32:53 -0400
> Mathieu Desnoyers <mathieu.desnoyers@...icios.com> wrote:
> 
> > If we use '*' for user events already, perhaps we'd want to consider
> > using the same range for the ring buffer ioctls ? Arguably one is
> > about instrumentation and the other is about ring buffer interaction
> > (data transport), but those are both related to tracing.
> 
> Yeah, but I still rather keep them separate.
> 
> Beau, care to send a patch adding an entry into that ioctl document for
> user events?
> 
> -- Steve

Sure thing, sent one out [1].

Thanks,
-Beau

1. https://lore.kernel.org/linux-doc/20240703222501.1547-1-beaub@linux.microsoft.com/