linux-kernel - Re: [RFC][PATCH 4/3] tracing: Add NMI tracing in hwlat detector

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

Message-ID: <c9973e20-eb77-91b0-2af0-a08dd101bb72@redhat.com>
Date:	Wed, 10 Aug 2016 10:10:05 -0400
From:	Jon Masters <jcm@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Clark Williams <williams@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Daniel Wagner <wagi@...om.org>, Carsten Emde <C.Emde@...dl.org>
Subject: Re: [RFC][PATCH 4/3] tracing: Add NMI tracing in hwlat detector

On 08/05/2016 10:52 AM, Steven Rostedt wrote:

> Ah, this is when we have GENERIC_SCHED_CLOCK, which would break tracing
> if any arch that has this also has NMIs. Probably need to look at arm64.

Today, we don't have NMIs on arm64 that are supported in Linux.

Jon.

-- 
Computer Architect | Sent from my Fedora powered laptop