linux-kernel - Re: [PATCH] x86_64: (NEW) Dynamically allocate arch specific system vectors

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]

Message-ID: <48A0737F.9010207@sgi.com>
Date:	Mon, 11 Aug 2008 12:14:39 -0500
From:	Alan Mayer <ajm@....com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>, jeremy@...p.org,
	rusty@...tcorp.com.au, suresh.b.siddha@...el.com,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Dean Nelson <dcn@....com>, Cliff Wickman <cpw@....com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86_64:  (NEW) Dynamically allocate arch specific	system
 vectors

Okay, here it is as an attachment.  I think my email client is munging it.
I haven't been able to fix it, apparently.

I, too, would like to know what Eric thinks.

		--ajm

Ingo Molnar wrote:
> * Alan Mayer <ajm@....com> wrote:
> 
>> Subject: [PATCH] x86_64: (NEW) Dynamically allocate arch specific 
>> system vectors
>>
>> From: Alan Mayer <ajm@....com>
>>
>> On some systems (e. g., UV) it is necessary to use an interrupt vector 
>> as a "system" vector, that is, it is generated by system hardware, not 
>> an IO device.  This patch dynamically allocates them from the pool of 
>> interrupt vectors below the fixed system vectors.  This may include 
>> stealing some from the device interrupt vector pool, so they are 
>> allocated dynamically so that other archs don't have to pay the price.  
>> In UV, examples of these hardware and software systems that need 
>> dynamically allocated vectors are the GRU, the BAU, and XPM/XPC.
> 
> patch has severe inlined-as-text corruption, please check 
> Documentation/email-clients.txt about how to send patches. (or send it 
> as an attachment, i can process that)
> 
> Also, given the extensive feedback from Eric, it would be nice to have 
> his Acked-by line as well to any patch that is resubmitted for 
> inclusion, to make sure you meet all the requirements he has outlined.
> 
> Thanks,
> 
> 	Ingo

-- 
I know
it's only rock and roll,
But I like it.
--
Alan J. Mayer
SGI
ajm@....com
WORK: 651-683-3131
HOME: 651-407-0134
--

View attachment "system_irq_vector_patch2" of type "text/plain" (19314 bytes)