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From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Bart Van Assche
	<bart.vanassche-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Hal Rosenstock
	<hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	general-ZwoEplunGu1OwGhvXhtEPSCwEArCW2h5@public.gmane.org
Subject: Re: [PATCH/RFC] IB/mad: Fix lock-lock-timer deadlock in RMPP code
Date: Wed, 09 Sep 2009 14:34:41 -0700	[thread overview]
Message-ID: <adar5ufkdji.fsf@cisco.com> (raw)
In-Reply-To: <F658AB9802E54F9887A2753721FA7882-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org> (Sean Hefty's message of "Wed, 9 Sep 2009 14:22:28 -0700")


 > The locking is needed to protect against items being removed from rmpp_list in
 > recv_timeout_handler() and recv_cleanup_handler().  No new items should be added
 > to the rmpp_list when ib_cancel_rmpp_recvs() is running (or there's a separate
 > bug).

Ah, I see.

That's trickier I guess... hmm...

 - R.
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  parent reply	other threads:[~2009-09-09 21:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-07 15:37 [NEW PATCH] IB/mad: Fix possible lock-lock-timer deadlock Roland Dreier
     [not found] ` <adaws4an4uh.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-07 20:27   ` Bart Van Assche
     [not found]     ` <e2e108260909071327o7f521876s60d643b455e7c6ec-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-08  4:21       ` Roland Dreier
     [not found]         ` <adaskeym5gu.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-08  6:25           ` Bart Van Assche
2009-09-08 17:01             ` [ofa-general] " Bart Van Assche
     [not found]               ` <e2e108260909081001u5c31fcf0lca909c488831ec4b-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-08 17:17                 ` Roland Dreier
     [not found]             ` <e2e108260909072325w2e0b4b1na0aa01a74f2341e4-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-08 17:15               ` Roland Dreier
     [not found]                 ` <adabpllmk7c.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-08 19:09                   ` Bart Van Assche
     [not found]                     ` <e2e108260909081209t36bfef12m24ce000686ed116e-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-09-09 20:42                       ` [PATCH/RFC] IB/mad: Fix lock-lock-timer deadlock in RMPP code (was: [NEW PATCH] IB/mad: Fix possible lock-lock-timer deadlock) Roland Dreier
     [not found]                         ` <adavdjrkfyq.fsf_-_-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-09 21:22                           ` Sean Hefty
     [not found]                             ` <F658AB9802E54F9887A2753721FA7882-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-09-09 21:34                               ` Roland Dreier [this message]
2009-09-22 18:27                               ` [PATCH/RFC] IB/mad: Fix lock-lock-timer deadlock in RMPP code Roland Dreier
     [not found]                                 ` <ada7hvq7s36.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-22 22:27                                   ` Sean Hefty
     [not found]                                     ` <9DA1536B0B4943E7BC52280C977F1D23-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-09-23 18:09                                       ` Roland Dreier

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