From: Martyn Welch <martyn.welch@gefanuc.com>
To: "Emilio G. Cota" <cota@braap.org>
Cc: Greg K-H <gregkh@suse.de>,
linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org,
Sebastien Dugue <sebastien.dugue@bull.net>
Subject: Re: [patch 1/5] Staging: VME Framework for the Linux Kernel
Date: Wed, 12 Aug 2009 10:59:13 +0100 [thread overview]
Message-ID: <4A829271.6000507@gefanuc.com> (raw)
In-Reply-To: <20090812095436.GC2604@braap.org>
Emilio G. Cota wrote:
> Martyn Welch wrote:
>
>> There is a further device situated between the two.
>>
>>> How do you now protect the registers of this device from
>>>
>>>> accidental/malicous/buggy behaviour from your board, since
>>>>
>> this region of the VME bus is now enabled for transfers
>> in the PCI IO Mem space?
>>
>
> The kernel is not designed to work with buggy hardware--that
> would be insane, we've got more than enough dealing with our
> own bugs. However when there's no other solution (e.g.
> hardware can't be fixed for whatever reason), fixes on a
> per-case basis may be applied.
>
>
Apart from : not mapping regions of the VME bus that you are not using.
Martyn
> E.
>
--
Martyn Welch MEng MPhil MIET (Principal Software Engineer) T:+44(0)1327322748
GE Fanuc Intelligent Platforms Ltd, |Registered in England and Wales
Tove Valley Business Park, Towcester, |(3828642) at 100 Barbirolli Square,
Northants, NN12 6PF, UK T:+44(0)1327359444 |Manchester,M2 3AB VAT:GB 927559189
next prev parent reply other threads:[~2009-08-12 9:58 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090803205657.964064732@mini.kroah.org>
2009-08-03 21:00 ` [patch 0/5] [ANNOUNCE] VME Bus drivers and framework for Linux Greg K-H
2009-08-03 21:01 ` [patch 1/5] Staging: VME Framework for the Linux Kernel Greg K-H
2009-08-08 23:01 ` Emilio G. Cota
2009-08-10 12:44 ` Martyn Welch
2009-08-10 14:14 ` Emilio G. Cota
2009-08-10 15:31 ` Emilio G. Cota
2009-08-10 16:40 ` Martyn Welch
2009-08-10 19:50 ` Emilio G. Cota
2009-08-11 8:02 ` Martyn Welch
2009-08-11 8:43 ` Emilio G. Cota
2009-08-10 15:53 ` Martyn Welch
2009-08-10 16:26 ` Shawn Bohrer
2009-08-10 19:38 ` Emilio G. Cota
2009-08-11 8:29 ` Martyn Welch
2009-08-11 14:49 ` Emilio G. Cota
2009-08-11 15:10 ` Martyn Welch
2009-08-11 15:36 ` Emilio G. Cota
2009-08-11 15:41 ` Martyn Welch
2009-08-11 15:42 ` Emilio G. Cota
2009-08-11 16:38 ` Martyn Welch
2009-08-11 20:48 ` Emilio G. Cota
2009-08-12 9:54 ` Emilio G. Cota
2009-08-12 9:59 ` Martyn Welch [this message]
2009-08-12 10:09 ` Emilio G. Cota
2009-08-12 10:19 ` Martyn Welch
2009-08-11 4:54 ` Mike Frysinger
2009-08-11 7:48 ` Martyn Welch
2009-08-10 16:30 ` Greg KH
2009-08-10 14:52 ` [PATCH] Staging: vme: fix {master,slave}_get check bug Emilio G. Cota
2009-08-10 16:50 ` Martyn Welch
2009-08-03 21:01 ` [patch 2/5] Staging: vme: add VME userspace driver Greg K-H
2009-08-08 23:22 ` Emilio G. Cota
2009-08-09 12:17 ` Emilio G. Cota
2009-08-10 13:13 ` Martyn Welch
2009-08-10 15:26 ` Emilio G. Cota
2009-08-10 16:29 ` Greg KH
2009-08-10 16:30 ` Martyn Welch
2009-08-10 20:36 ` Emilio G. Cota
2009-08-11 9:03 ` Martyn Welch
2009-08-11 9:40 ` Emilio G. Cota
2009-08-11 12:46 ` Martyn Welch
2009-08-11 21:01 ` Emilio G. Cota
2009-08-12 8:17 ` Martyn Welch
2009-08-12 9:39 ` Emilio G. Cota
2009-08-12 9:57 ` Martyn Welch
2009-08-12 11:20 ` Emilio G. Cota
2009-08-12 12:19 ` Martyn Welch
2009-08-10 16:28 ` Greg KH
2009-08-10 20:05 ` Emilio G. Cota
2009-08-10 21:09 ` Greg KH
2009-08-11 7:04 ` Emilio G. Cota
2009-08-03 21:01 ` [patch 3/5] Staging: vme: add Universe I/II bridge driver Greg K-H
2009-08-03 23:00 ` Jiri Slaby
2009-08-03 21:01 ` [patch 4/5] Staging: vme: add Tundra TSI148 VME-PCI Bridge driver Greg K-H
2009-08-03 22:50 ` Jiri Slaby
2009-08-03 22:55 ` Jiri Slaby
2009-08-05 16:33 ` [PATCH] Staging: Correct tsi-148 VME interrupt free routine Martyn Welch
2009-08-05 16:38 ` [PATCH v2] " Martyn Welch
2009-08-05 21:53 ` Jiri Slaby
2009-08-06 7:20 ` Martyn Welch
2009-08-09 0:09 ` [patch 4/5] Staging: vme: add Tundra TSI148 VME-PCI Bridge driver Emilio G. Cota
2009-08-11 14:59 ` [patch 4/5] Staging: vme: add Tundra TSI148 VME-PCI Bridgedriver Martyn Welch
2009-08-03 21:01 ` [patch 5/5] Staging: vme: add TODO file Greg K-H
2009-08-04 7:56 ` [patch 0/5] [ANNOUNCE] VME Bus drivers and framework for Linux Martyn Welch
2009-08-08 22:25 ` Emilio G. Cota
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