linux-kernel - Re: IRQ behaivour has been changed from v4.14 to v4.15-rc1

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: <alpine.DEB.2.20.1712282218080.1899@nanos>
Date:   Thu, 28 Dec 2017 22:31:08 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
cc:     "alan@...ux.intel.com" <alan@...ux.intel.com>,
        "Ailus, Sakari" <sakari.ailus@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>
Subject: Re: IRQ behaivour has been changed from v4.14 to v4.15-rc1

On Thu, 28 Dec 2017, Andy Shevchenko wrote:
> On Thu, 2017-12-28 at 21:18 +0100, Thomas Gleixner wrote:
> > Yes, you missed the typo in the command line. It should be:
> > 
> >  'trace_event=irq_vectors:* ftrace_dump_on_oops'
> 
> Indeed.
> 
> So, I had to disable LOCAL_TIMER_VECTOR, CALL_FUNCTION_VECTOR and
> RESCHDULE_VECTOR tracing, otherwise I got a lot of spam and RCU stalls.

Fair enough.

> The result w/o above is (full log is available here https://pastebin.com
> /J5yaTbM9):

Ok. Which irqs are related to that ISP thingy?

Are these interrupts MSI?

Thanks,

	tglx