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From: Andrew Morton <akpm@zip.com.au>
To: Matthew Dharm <mdharm-kernel@one-eyed-alien.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Fwd: Hard Lockup on 2.4.16 with Via ieee1394 (sbp2 mode)
Date: Fri, 28 Dec 2001 20:59:17 -0800	[thread overview]
Message-ID: <3C2D4DA5.E688FF43@zip.com.au> (raw)
In-Reply-To: <200112290321.fBT3GCSs007627@svr3.applink.net> <3C2D3DBB.6ADE1CC5@zip.com.au>, <3C2D3DBB.6ADE1CC5@zip.com.au>; from akpm@zip.com.au on Fri, Dec 28, 2001 at 07:51:23PM -0800 <20011228204041.A14736@one-eyed-alien.net>

Matthew Dharm wrote:
> 
> Hrm...
> 
> Does this apply to usb-storage also?  Under what conditions do you need to
> hold the io_request_lock when calling the done function?
> 

That's scsi_old_done().  I don't think scsi_done() cares whether
io_request_lock is held or not.

And io_request_lock *must* be held by the caller of scsi_old_done() - it
assumes this.   I think we'd have heard by now if usb was getting this
wrong.  Looks like it's using scsi_done(), yes?

-

  reply	other threads:[~2001-12-29  5:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-29  3:13 Fwd: Hard Lockup on 2.4.16 with Via ieee1394 (sbp2 mode) Timothy Covell
2001-12-29  3:51 ` Andrew Morton
2001-12-29  4:40   ` Matthew Dharm
2001-12-29  4:59     ` Andrew Morton [this message]
2001-12-29  5:11       ` Matthew Dharm
2001-12-29  6:17   ` Timothy Covell

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