linux-kernel - Re: [RFC PATCH 00/17] virtual-bus

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: <49D5F72E.2060804@redhat.com>
Date:	Fri, 03 Apr 2009 14:46:54 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Gerd Hoffmann <kraxel@...hat.com>,
	Herbert Xu <herbert@...dor.apana.org.au>, ghaskins@...ell.com,
	anthony@...emonkey.ws, linux-kernel@...r.kernel.org, agraf@...e.de,
	pmullaney@...ell.com, pmorreale@...ell.com, rusty@...tcorp.com.au,
	netdev@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [RFC PATCH 00/17] virtual-bus

Andi Kleen wrote:
>> Check shared ring status when stuffing a request.  If there are requests
>>     
>
> That means you're bouncing cache lines all the time. Probably not a big
> issue on single socket but could be on larger systems.
>   

That's why I'd like requests to be handled on the vcpu thread rather 
than an auxiliary thread.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

--
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/