From: "stephane eranian" <eranian@googlemail.com>
To: "Ingo Molnar" <mingo@elte.hu>
Cc: "Metzger, Markus T" <markus.t.metzger@intel.com>,
ak@suse.de, hpa@zytor.com, linux-kernel@vger.kernel.org,
tglx@linutronix.de, markus.t.metzger@gmail.com, "Siddha,
Suresh B" <suresh.b.siddha@intel.com>,
roland@redhat.com, akpm@linux-foundation.org,
mtk.manpages@gmail.com, "Villacis,
Juan" <juan.villacis@intel.com>
Subject: Re: [patch] x86, ptrace: support pebs in ds.c and disable ptraceand ds support
Date: Thu, 27 Mar 2008 11:16:03 +0100 [thread overview]
Message-ID: <7c86c4470803270316h4588909eoa1f464108cf435f5@mail.gmail.com> (raw)
In-Reply-To: <20080327095803.GB15003@elte.hu>
Hello,
What is the user-level API of utrace?
Does this user interface come in addition to ptrace or as a replacement?
What is the impact on existing applications, such as debuggers?
On Thu, Mar 27, 2008 at 10:58 AM, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Metzger, Markus T <markus.t.metzger@intel.com> wrote:
>
> > > we could apply this if Roland Acks it - but i guess a precondition
> > > for that is to not include more ptrace extensions and to also start
> > > working on utrace support for it. Ptrace is something we want to
> > > reduce usage of, not extend.
> >
> > The patch is not adding new features. It is merely re-establishing the
> > state before the patch mysteriously disappeared from x86#testing.
>
> well, Roland is the de-facto ptrace maintainer and he has NAK-ed the
> current approach of extending ptrace, so i removed the patch. Is there
> anything particularly wrong about doing this based on utrace? The API
> will hit upstream in 2.6.26 or 2.6.27.
>
> Ingo
>
next prev parent reply other threads:[~2008-03-27 10:16 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-12 11:53 [patch] x86, ptrace: support pebs in ds.c and disable ptrace and " Markus Metzger
2008-03-21 12:53 ` Ingo Molnar
2008-03-21 13:18 ` stephane eranian
2008-03-26 9:16 ` [patch] x86, ptrace: support pebs in ds.c and disable ptraceand " Metzger, Markus T
2008-03-27 9:58 ` Ingo Molnar
2008-03-27 10:16 ` stephane eranian [this message]
2008-03-27 10:16 ` [patch] x86, ptrace: support pebs in ds.c and disableptraceand " Metzger, Markus T
2008-03-28 13:44 ` [question] utrace user api / branch trace support Metzger, Markus T
2008-04-01 16:20 ` Metzger, Markus T
2008-03-26 9:39 ` [patch] x86, ptrace: support pebs in ds.c and disable ptraceand ds support Metzger, Markus T
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