Re: [PATCH] panic: release stale console lock to always get the logbuf printed out

From	Vitaly Kuznetsov <vkuznets@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] panic: release stale console lock to always get the logbuf printed out
Date	2015-10-09 14:50 +0200
Message-ID	<qhFhv-2oj-7@gated-at.bofh.it> (permalink)
References	(1 earlier) <qh5xn-1zD-7@gated-at.bofh.it> <qhfn3-7oy-1@gated-at.bofh.it> <qhgj8-iz-5@gated-at.bofh.it> <qhqsa-6hg-7@gated-at.bofh.it> <qhCWn-7Ag-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Vitaly Kuznetsov <vkuznets@redhat.com> writes:

> Andrew Morton <akpm@linux-foundation.org> writes:
>
>> On Thu, 08 Oct 2015 12:03:25 +0200 Vitaly Kuznetsov <vkuznets@redhat.com> wrote:
>>
>>> > If we picked up patch "kernel: Avoid softlockups in
>>> > stop_machine() during heavy printing" from my series (it's completely
>>> > independent, I've attached the latest version), the result would look less
>>> > hacky to me (attached). Thoughts?
>>> 
>>> Haven't tested it but should also work...
>>
>> Well, I expect we'll be merging Jan's lockup-avoidance code fairly
>> soon.  There's no point in solving the same problem twice.
>>
>> Sp please, do take a closer look at the proposed patches and if
>> possible, runtime test them?
>
> Sure, I'll take a look.

Jan,

I've just tested patches you suggested and it seems they also solve the
issue I observe. Feel free to add:

Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>

Thanks!

-- 
  Vitaly
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Thread

[PATCH] panic: release stale console lock to always get the logbuf printed out Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-10-07 19:10 +0200
  Re: [PATCH] panic: release stale console lock to always get the  logbuf printed out Andrew Morton <akpm@linux-foundation.org> - 2015-10-08 00:40 +0200
    Re: [PATCH] panic: release stale console lock to always get the  logbuf printed out Jan Kara <jack@suse.cz> - 2015-10-08 11:10 +0200
      Re: [PATCH] panic: release stale console lock to always get the logbuf printed out Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-10-08 12:10 +0200
        Re: [PATCH] panic: release stale console lock to always get the  logbuf printed out Andrew Morton <akpm@linux-foundation.org> - 2015-10-08 23:00 +0200
          Re: [PATCH] panic: release stale console lock to always get the logbuf printed out Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-10-09 12:20 +0200
            Re: [PATCH] panic: release stale console lock to always get the logbuf printed out Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-10-09 14:50 +0200
      Re: Re: [PATCH] panic: release stale console lock to always get the  logbuf printed out kbuild test robot <lkp@intel.com> - 2015-10-12 05:10 +0200
    Re: [PATCH] panic: release stale console lock to always get the logbuf printed out Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-10-08 12:00 +0200
      Re: [PATCH] panic: release stale console lock to always get the  logbuf printed out Andrew Morton <akpm@linux-foundation.org> - 2015-10-08 23:00 +0200
        Re: [PATCH] panic: release stale console lock to always get the logbuf printed out Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-10-09 12:20 +0200

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