From: Paolo Bonzini <pbonzini@redhat.com>
To: Ulrich Obergfell <uobergfe@redhat.com>
Cc: Andrew Jones <drjones@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
dzickus@redhat.com, akpm@linux-foundation.org, mingo@redhat.com
Subject: Re: [PATCH 2/3] watchdog: control hard lockup detection default
Date: Thu, 24 Jul 2014 13:45:47 +0200 [thread overview]
Message-ID: <53D0F1EB.9080504@redhat.com> (raw)
In-Reply-To: <146661093.17248776.1406202294303.JavaMail.zimbra@redhat.com>
Il 24/07/2014 13:44, Ulrich Obergfell ha scritto:
> > But this means that it is not possible to re-enable softlockup detection
> > only. I think that should be the effect of echo 0 + echo 1, if
> > hardlockup detection was disabled by either the command line or patch 3.
>
> The idea was to give the user two options to override the effect of patch 3/3.
> Either via the kernel command line ('nmi_watchdog=') at boot time or via /proc
> ('echo 0' + 'echo 1') when the system is up and running.
I think the kernel command line is enough; another alternative is to
split the nmi_watchdog /proc entry in two.
Paolo
next prev parent reply other threads:[~2014-07-24 11:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-24 10:13 [PATCH 0/3] watchdog: kvm: disable hard lockup detection by default Andrew Jones
2014-07-24 10:13 ` [PATCH 1/3] watchdog: fix print-once on enable Andrew Jones
2014-07-24 10:13 ` [PATCH 2/3] watchdog: control hard lockup detection default Andrew Jones
2014-07-24 10:46 ` Paolo Bonzini
2014-07-24 11:18 ` Ulrich Obergfell
2014-07-24 11:26 ` Paolo Bonzini
2014-07-24 11:44 ` Ulrich Obergfell
2014-07-24 11:45 ` Paolo Bonzini [this message]
2014-07-24 12:02 ` Ulrich Obergfell
2014-07-25 8:32 ` Ulrich Obergfell
2014-07-25 11:25 ` Andrew Jones
2014-07-30 13:43 ` Don Zickus
2014-07-30 14:16 ` Paolo Bonzini
2014-07-30 17:07 ` Don Zickus
2014-08-08 13:53 ` [PATCH v2 " Andrew Jones
2014-07-24 10:13 ` [PATCH 3/3] kvm: ensure hard lockup detection is disabled by default Andrew Jones
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