linux-kernel - Re: [patch 1/5] Staging: VME Framework for the Linux Kernel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 11 Aug 2009 16:41:36 +0100
From:	Martyn Welch <martyn.welch@...anuc.com>
To:	"Emilio G. Cota" <cota@...ap.org>
CC:	Greg K-H <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org,
	Sebastien Dugue <sebastien.dugue@...l.net>
Subject: Re: [patch 1/5] Staging: VME Framework for the Linux Kernel

Emilio G. Cota wrote:
> Martyn Welch wrote:
>   
>> Not the same question, but I'd agree - that would probably break the  
>> current model I have proposed. *However*, providing a resource  
>> management layer as you have proposed above the basic resource  
>> management my API provides would resolve that without added complexity  
>> in the bridge drivers themselves.
>>     
>
> It wouldn't break it, the model simply couldn't give you more
> than 8 windows-->8 devices.
>   
Unless the devices we the same and the driver reused one window.
> I think it should be the bridge the one that manages its
> own resources, not someone else.
>   
I still think that layering this above the driver is better - it only 
needs to be written once rather than replicated for each bridge chip.
> I'm coding a layer that works this way, we'll see how it looks.
>
>   
Much obliged.
>> Yes. If I understand you correctly, your saying that management of the  
>> devices in the VME address space is a system configuration issue.
>>     
>
> It obviously is. We cannot impose the users where they should
> plug their devices or which pins on the boards they should
> tweak. They build their crates --> they tell the kernel about
> them.
>   
Agreed.

Martyn

-- 
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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/