From: Pavel Machek <pavel@ucw.cz>
To: Borislav Petkov <bp@amd64.org>
Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
Alan Stern <stern@rowland.harvard.edu>,
"rjw@sisk.pl" <rjw@sisk.pl>,
"len.brown@intel.com" <len.brown@intel.com>,
"tj@kernel.org" <tj@kernel.org>, "mingo@elte.hu" <mingo@elte.hu>,
"a.p.zijlstra@chello.nl" <a.p.zijlstra@chello.nl>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"suresh.b.siddha@intel.com" <suresh.b.siddha@intel.com>,
"lucas.demarchi@profusion.mobi" <lucas.demarchi@profusion.mobi>,
"rusty@rustcorp.com.au" <rusty@rustcorp.com.au>,
"rdunlap@xenotime.net" <rdunlap@xenotime.net>,
"vatsa@linux.vnet.ibm.com" <vatsa@linux.vnet.ibm.com>,
"ashok.raj@intel.com" <ashok.raj@intel.com>,
"tigran@aivazian.fsnet.co.uk" <tigran@aivazian.fsnet.co.uk>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"hpa@zytor.com" <hpa@zytor.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH v2 0/3] Freezer, CPU hotplug, x86 Microcode: Fix task freezing failures
Date: Mon, 10 Oct 2011 19:14:37 +0200 [thread overview]
Message-ID: <20111010171437.GA11907@elf.ucw.cz> (raw)
In-Reply-To: <20111010165343.GA29261@aftab>
Hi!
> > > The seems like entirely the wrong way to go about solving this problem.
> > >
> > > The kernel shouldn't be responsible for making hotplug stress tests
> > > exclusive with system sleep. Whoever is running those tests should be
> > > smart enough to realize what's wrong if system sleep interferes with a
> > > test.
>
> Yes, agreed. And more: I'm still trying to understand why a test case
> like that is relevant and needs to be fixed at all. Let me re-formulate
> the question: what real world scenario(s) does the case of hibernating
> _while_ off- and onlining cores cover? Or are you simply doing kernel
> resiliency testing and thought that offlining cores while hibernating
> might make sense?
Some people want to do hibernate on battery low / UPS fail. That can
happen any time...
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2011-10-10 17:15 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-10 12:31 Srivatsa S. Bhat
2011-10-10 12:32 ` [PATCH v2 1/3] Introduce helper functions Srivatsa S. Bhat
2011-10-10 12:33 ` [PATCH v2 2/3] Mutually exclude cpu online and suspend/hibernate Srivatsa S. Bhat
2011-10-10 12:45 ` Srivatsa S. Bhat
2011-10-10 14:26 ` Peter Zijlstra
2011-10-10 15:16 ` Srivatsa S. Bhat
2011-10-11 20:32 ` Srivatsa S. Bhat
2011-10-11 21:56 ` Rafael J. Wysocki
2011-10-12 3:57 ` Srivatsa S. Bhat
2011-10-12 19:31 ` Rafael J. Wysocki
2011-10-12 21:25 ` Srivatsa S. Bhat
2011-10-12 22:09 ` Rafael J. Wysocki
2011-10-13 15:42 ` Srivatsa S. Bhat
2011-10-13 16:06 ` Tejun Heo
2011-10-13 17:01 ` Borislav Petkov
2011-10-13 17:29 ` Srivatsa S. Bhat
2011-10-19 17:29 ` Srivatsa S. Bhat
2011-10-13 18:03 ` Alan Stern
2011-10-13 19:07 ` Rafael J. Wysocki
2011-10-13 19:08 ` Rafael J. Wysocki
2011-10-10 15:25 ` Alan Stern
2011-10-10 17:00 ` Tejun Heo
2011-10-11 9:18 ` Peter Zijlstra
2011-10-11 9:37 ` Srivatsa S. Bhat
2011-10-10 12:33 ` [PATCH v2 3/3] Update documentation Srivatsa S. Bhat
2011-10-10 15:23 ` [PATCH v2 0/3] Freezer, CPU hotplug, x86 Microcode: Fix task freezing failures Alan Stern
2011-10-10 15:32 ` Srivatsa S. Bhat
2011-10-10 16:53 ` Borislav Petkov
2011-10-10 17:14 ` Pavel Machek [this message]
2011-10-10 17:30 ` Srivatsa S. Bhat
2011-10-10 17:53 ` Borislav Petkov
2011-10-10 18:08 ` tj
2011-10-10 18:34 ` Borislav Petkov
2011-10-10 18:45 ` Srivatsa S. Bhat
2011-10-10 18:53 ` tj
2011-10-10 19:00 ` Srivatsa S. Bhat
2011-10-10 20:35 ` Borislav Petkov
[not found] ` <20111010202913.GA30798@aftab>
2011-10-10 21:13 ` tj
2011-10-11 9:17 ` Peter Zijlstra
2011-10-10 16:57 ` Tejun Heo
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=20111010171437.GA11907@elf.ucw.cz \
--to=pavel@ucw.cz \
--cc=a.p.zijlstra@chello.nl \
--cc=akpm@linux-foundation.org \
--cc=ashok.raj@intel.com \
--cc=bp@amd64.org \
--cc=hpa@zytor.com \
--cc=len.brown@intel.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=lucas.demarchi@profusion.mobi \
--cc=mingo@elte.hu \
--cc=rdunlap@xenotime.net \
--cc=rjw@sisk.pl \
--cc=rusty@rustcorp.com.au \
--cc=srivatsa.bhat@linux.vnet.ibm.com \
--cc=stern@rowland.harvard.edu \
--cc=suresh.b.siddha@intel.com \
--cc=tglx@linutronix.de \
--cc=tigran@aivazian.fsnet.co.uk \
--cc=tj@kernel.org \
--cc=vatsa@linux.vnet.ibm.com \
/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
Powered by JetHome