netdev - Re: [RFC PATCH 1/2] net: Add new network device function to allow for MMIO batching

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 for Android: free password hash cracker in your pocket

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

Message-ID: <1342196604.3265.8485.camel@edumazet-glaptop>
Date:	Fri, 13 Jul 2012 18:23:24 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	Alexander Duyck <alexander.h.duyck@...el.com>,
	netdev@...r.kernel.org, davem@...emloft.net,
	jeffrey.t.kirsher@...el.com, edumazet@...gle.com,
	bhutchings@...arflare.com, therbert@...gle.com,
	alexander.duyck@...il.com
Subject: Re: [RFC PATCH 1/2] net: Add new network device function to allow
 for MMIO batching

On Fri, 2012-07-13 at 08:50 -0700, Stephen Hemminger wrote:
> On Fri, 13 Jul 2012 09:38:49 +0200
> Eric Dumazet <eric.dumazet@...il.com> wrote:
> 
> > Frankly what percentage of linux powered machines act as high perf
> > routers ?
> 
> More than you think, every Linux machine acting as hypervisor (Xen and KVM)
> is also doing this.


High perf router meant : ability to route 10 Mpps, without help of TSO.

If an hypervisor is enable to use TSO, I expect very bad performances
anyway.



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html