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From: Andreas Herrmann <herrmann.der.user@googlemail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Hans Rosenfeld" <hans.rosenfeld@amd.com>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Robert Richter" <robert.richter@amd.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
	"Arnaldo Carvalho de Melo" <acme@redhat.com>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>,
	"Steven Rostedt" <rostedt@goodmis.org>
Subject: Re: [RFC v3 0/8] x86, xsave: rework of extended state handling, LWP support
Date: Wed, 18 May 2011 20:02:24 +0200	[thread overview]
Message-ID: <20110518180224.GA24932@alberich.amd.com> (raw)
In-Reply-To: <20110517113020.GA13475@elte.hu>

On Tue, May 17, 2011 at 01:30:20PM +0200, Ingo Molnar wrote:
> 
> * Hans Rosenfeld <hans.rosenfeld@amd.com> wrote:
> 
> > Hi,
> > 
> > On Thu, Apr 07, 2011 at 03:23:05AM -0400, Ingo Molnar wrote:
> > > 
> > > FYI, the bits in tip:x86/xsave crash on boot on an AMD X2 testbox:
> > 
> > > Full crashlog and kernel config attached. I've excluded x86/save from 
> > > tip:master for now.
> > 
> > this issue has been fixed a few weeks ago.
> > 
> > Are there any plans to include x86/xsave into tip:master again?
> 
> Regarding the LWP bits, that branch was indeed excluded because of that crash, 
> while re-checking the branch today i noticed at least one serious design error 
> in it, which makes me reconsider the whole thing:

Independend of all the concerns and useful comments regarding LWP ...
it seems to me that patches 1-7 are still of use (cleaning up the
save/restore code making it more maintainable).

Wouldn't it make sense to add patches 1-7 to a branch that is tested
with linux-next to find potential regressions?


Andreas

  parent reply	other threads:[~2011-05-18 18:02 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-09 19:14 [RFC 0/8] " Hans Rosenfeld
2011-03-09 19:14 ` [RFC 1/8] x86, xsave: cleanup fpu/xsave support Hans Rosenfeld
2011-03-09 19:14 ` [RFC 2/8] x86, xsave: rework " Hans Rosenfeld
2011-03-09 19:14 ` [RFC 3/8] x86, xsave: cleanup fpu/xsave signal frame setup Hans Rosenfeld
2011-03-09 19:14 ` [RFC 4/8] x86, xsave: remove unused code Hans Rosenfeld
2011-03-09 19:14 ` [RFC 5/8] x86, xsave: more cleanups Hans Rosenfeld
2011-03-09 19:15 ` [RFC 6/8] x86, xsave: add support for non-lazy xstates Hans Rosenfeld
2011-03-09 19:15 ` [RFC 7/8] x86, xsave: add kernel support for AMDs Lightweight Profiling (LWP) Hans Rosenfeld
2011-03-09 19:15 ` [RFC 8/8] x86, xsave: remove lazy allocation of xstate area Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 0/8] x86, xsave: rework of extended state handling, LWP support Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 1/8] x86, xsave: cleanup fpu/xsave support Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 2/8] x86, xsave: rework " Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 3/8] x86, xsave: cleanup fpu/xsave signal frame setup Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 4/8] x86, xsave: remove unused code Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 5/8] x86, xsave: more cleanups Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 6/8] x86, xsave: add support for non-lazy xstates Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 7/8] x86, xsave: add kernel support for AMDs Lightweight Profiling (LWP) Hans Rosenfeld
2011-03-23 15:27   ` [RFC v2 8/8] x86, xsave: remove lazy allocation of xstate area Hans Rosenfeld
2011-03-24 11:39     ` Brian Gerst
2011-03-29 14:17       ` Hans Rosenfeld
2011-03-29 15:27         ` H. Peter Anvin
2011-03-30 13:11           ` Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 0/8] x86, xsave: rework of extended state handling, LWP support Hans Rosenfeld
2011-04-07  7:23             ` Ingo Molnar
2011-04-07 15:30               ` Hans Rosenfeld
2011-04-07 16:08                 ` [RFC v4 6/8] x86, xsave: add support for non-lazy xstates Hans Rosenfeld
2011-04-07 16:08                 ` [RFC v4 8/8] x86, xsave: remove lazy allocation of xstate area Hans Rosenfeld
2011-04-13 10:58                 ` [PATCH] x86, xsave: fix non-lazy allocation of the xsave area Hans Rosenfeld
2011-04-13 23:21                   ` H. Peter Anvin
2011-04-15 16:47                     ` [PATCH 1/1] " Hans Rosenfeld
2011-05-16 19:10               ` [RFC v3 0/8] x86, xsave: rework of extended state handling, LWP support Hans Rosenfeld
2011-05-17 11:30                 ` Ingo Molnar
2011-05-17 15:22                   ` Hans Rosenfeld
2011-05-18 11:22                     ` Ingo Molnar
2011-05-18 13:51                     ` Ingo Molnar
2011-05-18  8:16                   ` Joerg Roedel
2011-05-18 10:59                     ` Ingo Molnar
2011-05-18 18:02                   ` Andreas Herrmann [this message]
2011-04-05 15:50           ` [RFC v3 1/8] x86, xsave: cleanup fpu/xsave support Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 2/8] x86, xsave: rework " Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 3/8] x86, xsave: cleanup fpu/xsave signal frame setup Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 4/8] x86, xsave: remove unused code Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 5/8] x86, xsave: more cleanups Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 6/8] x86, xsave: add support for non-lazy xstates Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 7/8] x86, xsave: add kernel support for AMDs Lightweight Profiling (LWP) Hans Rosenfeld
2011-04-06 22:06             ` [tip:x86/xsave] " tip-bot for Hans Rosenfeld
2011-04-05 15:50           ` [RFC v3 8/8] x86, xsave: remove lazy allocation of xstate area Hans Rosenfeld
2011-04-06 22:06             ` [tip:x86/xsave] " tip-bot for Hans Rosenfeld

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