From: Duncan Sands <baldrick@free.fr>
To: Pete Zaitcev <zaitcev@redhat.com>
Cc: marcelo.tosatti@cyclades.com, linux-kernel@vger.kernel.org
Subject: Re: USB 2.4.30: fix modem_run
Date: Fri, 11 Feb 2005 11:16:20 +0100 [thread overview]
Message-ID: <1108116980.7400.0.camel@localhost.localdomain> (raw)
In-Reply-To: <20050210161144.708cb96f@localhost.localdomain>
On Thu, 2005-02-10 at 16:11 -0800, Pete Zaitcev wrote:
> I entered a patch which adds "exclusive_access" lock into 2.4.29, to fix
> devices which cannot handle simultaneous accesses. This caused a regression
> with European ADSL modems. An ioctl USBDEVFS_REAPURB allows a process to enter
> the kernel and wait for USB I/O to finish. Naturally, this should not take
> exclusive_access, or nothing will ever finish.
How does this compare with the locking in 2.6 kernels?
Thanks,
Duncan.
next prev parent reply other threads:[~2005-02-11 10:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-11 0:11 USB 2.4.30: fix modem_run Pete Zaitcev
2005-02-11 10:16 ` Duncan Sands [this message]
2005-03-04 7:52 ` Pete Zaitcev
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