linux-kernel - Re: [RFC/PATCH] perf: Expand definition of sysfs format attribute

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: <20130506010829.GA32607@concordia>
Date:	Mon, 6 May 2013 11:08:30 +1000
From:	Michael Ellerman <michael@...erman.id.au>
To:	acme@...radead.org
Cc:	peterz@...radead.org, jolsa@...hat.com,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	rob@...dley.net
Subject: Re: [RFC/PATCH] perf: Expand definition of sysfs format attribute

On Mon, Apr 08, 2013 at 05:24:22PM +1000, Michael Ellerman wrote:
> On Mon, Mar 04, 2013 at 03:21:05PM +1100, Michael Ellerman wrote:
> > Make it explicit that the format attributes may define overlapping bit
> > ranges. Unfortunately this was left unspecified originally, and all the
> > examples show non-overlapping ranges. I don't believe this is an ABI
> > change, as we are defining something that was previously undefined, but
> > others may disagree.
> > 
> > The POWER8 PMU would like to define overlapping ranges, as bit ranges in
> > the event code have different meanings for certain events. It will also
> > allow us to define an overarching "event" field, that encompasses all
> > others.
> > 
> > As far as I can see perf is comfortable with this change, however I am
> > not sure if there are any other users of the interface.
> 
> Any comments on this one?

Hi Arnaldo,

I think the consensus from Peter and Jiri was that this was OK, are you
happy to merge it?

cheers
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/