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From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: David Dillow <dillowda-1Heg1YXhbW8@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	ewg-ZwoEplunGu1OwGhvXhtEPSCwEArCW2h5@public.gmane.org,
	mst-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org,
	ishai-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org
Subject: Re: Mellanox target workaround in SRP
Date: Fri, 07 Jan 2011 20:05:49 -0800	[thread overview]
Message-ID: <adaipy09h0i.fsf@cisco.com> (raw)
In-Reply-To: <1294439717.6219.54.camel-FqX9LgGZnHWDB2HL1qBt2PIbXMQ5te18@public.gmane.org> (David Dillow's message of "Fri, 07 Jan 2011 17:35:17 -0500")

 > I'm sure this was tested and shown to fix the problem; I'm just confused
 > as to what the problem really was and if this is still relevant. Can
 > someone please enlighten me?

At this point I'm afraid it's all lost in the mists of time, but the
original patch seems to have come from

http://lists.openfabrics.org/pipermail/general/2006-July/024322.html

looking at the patch, I would guess that the corruption occurred when
the target got an IO request that started at a non-page-aligned address
but that spanned more than one page.

I don't know if the target was ever fixed, or whether that target code
has any relevance today.

 - R.
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  parent reply	other threads:[~2011-01-08  4:05 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-07 22:35 Mellanox target workaround in SRP David Dillow
     [not found] ` <1294439717.6219.54.camel-FqX9LgGZnHWDB2HL1qBt2PIbXMQ5te18@public.gmane.org>
2011-01-08  4:05   ` Roland Dreier [this message]
     [not found]     ` <adaipy09h0i.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2011-01-08 18:13       ` David Dillow
     [not found]         ` <1294510396.7914.82.camel-1q1vX8mYZiGLUyTwlgNVppKKF0rrzTr+@public.gmane.org>
2011-01-10 18:21           ` Vu Pham
     [not found]             ` <4D2B4E13.6070903-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-01-10 18:49               ` [ewg] " Roland Dreier
     [not found]                 ` <adapqs48uhm.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2011-01-10 19:05                   ` David Dillow
2011-01-10 19:49                   ` Vu Pham
2011-01-10 19:02               ` David Dillow
     [not found]                 ` <1294686163.3038.12.camel-1q1vX8mYZiGLUyTwlgNVppKKF0rrzTr+@public.gmane.org>
2011-01-10 19:58                   ` Vu Pham
     [not found]                     ` <4D2B64CA.6040609-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-01-17  4:50                       ` David Dillow
     [not found]                         ` <1295239821.3051.1.camel-1q1vX8mYZiGLUyTwlgNVppKKF0rrzTr+@public.gmane.org>
2011-01-18 19:53                           ` Vu Pham
     [not found]                             ` <4D35EF9C.3050609-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-01-18 20:05                               ` David Dillow
2011-01-10 18:51   ` Roland Dreier
     [not found]     ` <adaipxw8ue6.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2011-01-12 13:40       ` Michael S. Tsirkin

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