LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 0/2] ftrace: handle NMIs safely
Date: Thu, 30 Oct 2008 23:26:15 +0100 [thread overview]
Message-ID: <20081030222615.GA20507@elte.hu> (raw)
In-Reply-To: <alpine.DEB.1.10.0810301714190.21031@gandalf.stny.rr.com>
* Steven Rostedt <rostedt@goodmis.org> wrote:
>
> On Thu, 30 Oct 2008, Ingo Molnar wrote:
>
> >
> > * Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > > The robustness of ftrace has been the focus of the code modification
> > > in 2.6.28. There is one remaining issue that needed to be addressed.
> > > This was the case of NMIs.
> >
> > applied to tip/tracing/nmisafe, thanks Steve!
> >
> > this looks a lot nicer approach than either putting some sort of lock
> > into NMI context (yuck) or the disabling of NMIs (not really possible
> > in a generic way architecturally).
> >
> > the impact is quite non-trivial, so i dont think this is v2.6.28
> > material.
>
> Ingo,
>
> Do you want me to send patches on top of these to address Andrew's
> comements? Or do you want me to resend these with the updates.
>
> I prefer to send patches on top, that way Andrew can make sure I did
> his changes correctly ;-)
yeah, please do it that way. It's a separate topic so we can fold them
back if they are also bugfixes. (and they are all cleanliness related
and i wanted to see the stability impact ASAP)
Ingo
prev parent reply other threads:[~2008-10-30 22:26 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-30 20:08 [PATCH 0/2] ftrace: handle NMIs safely Steven Rostedt
2008-10-30 20:08 ` [PATCH 1/2] ftrace: nmi safe code modification Steven Rostedt
2008-10-30 20:32 ` Andrew Morton
2008-10-30 20:38 ` Ingo Molnar
2008-10-30 20:58 ` Steven Rostedt
2008-10-30 21:10 ` Andrew Morton
2008-10-31 4:03 ` [PATCH] ftrace: nmi safe code clean ups Steven Rostedt
2008-10-31 4:16 ` [PATCH] hardirq.h clean up Steven Rostedt
2008-10-31 9:30 ` Ingo Molnar
2008-10-31 13:36 ` [PATCH] ftrace: fix hardirq header for non ftrace archs Steven Rostedt
2008-11-03 10:04 ` Ingo Molnar
2008-10-31 9:28 ` [PATCH] ftrace: nmi safe code clean ups Ingo Molnar
2008-10-30 20:08 ` [PATCH 2/2] ftrace: nmi update statistics Steven Rostedt
2008-10-30 20:38 ` Andrew Morton
2008-10-30 21:14 ` Steven Rostedt
2008-10-30 20:34 ` [PATCH 0/2] ftrace: handle NMIs safely Ingo Molnar
2008-10-30 21:15 ` Steven Rostedt
2008-10-30 22:26 ` Ingo Molnar [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20081030222615.GA20507@elte.hu \
--to=mingo@elte.hu \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).