linux-scsi.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sebastian Herbszt <herbszt@gmx.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	Bart Van Assche <bart.vanassche@sandisk.com>,
	Christoph Hellwig <hch@lst.de>,
	Johannes Thumshirn <jthumshirn@suse.de>,
	Dan Williams <dan.j.williams@intel.com>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	Sebastian Herbszt <herbszt@gmx.de>
Subject: Re: [PATCH] Separate target visibility from reaped state information
Date: Sun, 7 Feb 2016 23:48:28 +0100	[thread overview]
Message-ID: <20160207234828.0000708e@localhost> (raw)
In-Reply-To: <yq160y7q5ku.fsf@sermon.lab.mkp.net>

Martin K. Petersen wrote:
> >>>>> "Sebastian" == Sebastian Herbszt <herbszt@gmx.de> writes:
> 
> >> The only change from the current workflow is that the DEL transition
> >> (now the reaped flag) is done before the spin lock is dropped which
> >> would fix a tiny window for two threads both trying to remove the
> >> same target, but there's nothing that could possibly fix an iterative
> >> soft lockup caused by restarting the loop, which is what the
> >> changelog says.
> 
> Sebastian> James, Martin, what's the status of this patch?  I still hit
> Sebastian> the reported soft lockup on 4.5-rc1.
> 
> And you have verified that Bart's patch applied on top of 4.5-rc1 still
> fixes the lockup? (I know you tested a previous version)

I now have verified that Bart's patch does fix my soft lockup on 4.5-rc2.

Sebastian

  parent reply	other threads:[~2016-02-07 22:48 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-08 16:51 [PATCH] Separate target visibility from reaped state information Bart Van Assche
2016-01-18  8:55 ` Johannes Thumshirn
2016-01-20  0:30 ` Martin K. Petersen
2016-01-20  1:03   ` James Bottomley
2016-01-31 17:54     ` Sebastian Herbszt
2016-02-02  1:11       ` Martin K. Petersen
2016-02-02  9:03         ` Johannes Thumshirn
2016-02-03 17:17         ` Christoph Hellwig
2016-02-03 17:54           ` James Bottomley
2016-02-03 21:37         ` *** GMX Spamverdacht *** " Sebastian Herbszt
2016-02-07 22:48         ` Sebastian Herbszt [this message]
2016-02-02  3:43     ` Bart Van Assche
2016-02-02 11:46       ` James Bottomley
2016-02-02 18:29         ` Bart Van Assche
2016-02-03  0:43           ` James Bottomley
2016-02-03  1:17             ` Bart Van Assche
2016-02-03  2:01               ` James Bottomley
2016-02-03 22:38         ` Sebastian Herbszt
2016-02-03 22:55           ` James Bottomley
2016-02-03 23:28             ` Sebastian Herbszt
2016-02-07 22:56             ` Sebastian Herbszt
2016-02-10 14:05           ` Johannes Thumshirn
2016-02-10 15:34             ` James Bottomley
2016-02-10 16:06               ` Johannes Thumshirn

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=20160207234828.0000708e@localhost \
    --to=herbszt@gmx.de \
    --cc=James.Bottomley@HansenPartnership.com \
    --cc=bart.vanassche@sandisk.com \
    --cc=dan.j.williams@intel.com \
    --cc=hch@lst.de \
    --cc=jthumshirn@suse.de \
    --cc=linux-scsi@vger.kernel.org \
    --cc=martin.petersen@oracle.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;
as well as URLs for NNTP newsgroup(s).