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
| ||
|
Date: Thu, 21 Feb 2008 23:36:01 +0100 From: "stephane eranian" <eranian@...glemail.com> To: "Roland McGrath" <roland@...hat.com> Cc: "Markus Metzger" <markus.t.metzger@...el.com>, ak@...e.de, hpa@...or.com, linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de, markus.t.metzger@...il.com, suresh.b.siddha@...el.com, akpm@...ux-foundation.org, mtk.manpages@...il.com Subject: Re: [patch 1/2] x86, ptrace: support pebs in ds.c Roland, I think you bring up some very good points and I agree with you. Hopefully, I should be able to modify perfmon to use this new internal interface in the coming weeks. That should be a good test. On Thu, Feb 21, 2008 at 10:00 PM, Roland McGrath <roland@...hat.com> wrote: > Sorry I haven't replied in this thread sooner. > > I would like to see all the BTS and DS work wait until after 2.6.25. > We have a lot of x86 churn in 2.6.25 already, and I think we'd do > better without adding this wrinkle at the same time. > > The low-level implementation pieces should gel a bit more in -mm or > whereever. They should both get more testing and also get more > concrete use from the perfmon2 integration effort to iron out their > internal interface kinks. > > For the user-level interface, we should not be hasty with cooking up > hairy ptrace extensions. Personally, I'd prefer that we never add a > ptrace-based interface for this (ptrace must die). I think it will > fit much better either merged into the interfaces that come from > perfmon2 integration, or into what replaces ptrace when that comes. > There is not yet any different userland interface framework in the > tree to base it on, so ptrace extensions may be better than nothing if > they are well-gelled in 2.6.26 and nothing else is close to ready. > But I also don't know of anyone desperate and about to burst from lack > of BTS functionality. > > > Thanks, > Roland > -- 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/
Powered by blists - more mailing lists