From: Andi Kleen <ak@suse.de>
To: Steve Modica <modica@sgi.com>
Cc: netdev@oss.sgi.com
Subject: Re: Zero copy transmit
Date: Tue, 29 Apr 2003 21:59:24 +0200 [thread overview]
Message-ID: <20030429195924.GC349@Wotan.suse.de> (raw)
In-Reply-To: <3EAED567.2090006@sgi.com>
> At issue is really application capture and customer adoption. There are
> tons of apps and lots of engineers that know socket operations and
> write/writev. Asking all ISVs to recode for linux would leave them with
> two separate APIs to deal with. They would have send/sendto or
> write/writev on Solaris, HPUX and whatever else, and linux would have
> sendfile.
aio_write / lio_listio exists on Solaris and HP/UX too.
(and even Windows; their completion port interfaces are very similar)
>
> We really want to do this in such a way that it doesn't create a huge
> footprint (and we think we can) and we want to make sure we don't impact
> systems that can't take advantage of fast TLB updates.
So how do you avoid the two TLB flush IPIs to all CPUs that have the current mm
mapped ?
-Andi
next prev parent reply other threads:[~2003-04-29 19:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-29 18:44 Zero copy transmit Steve Modica
2003-04-29 19:20 ` Andi Kleen
2003-04-29 19:33 ` Robin Holt
2003-04-29 19:41 ` Andi Kleen
2003-04-29 19:41 ` Steve Modica
2003-04-29 19:59 ` Andi Kleen [this message]
2003-04-29 20:09 ` Steve Modica
2003-04-29 20:39 ` Andi Kleen
2003-04-30 1:41 ` Michael Richardson
2003-04-30 15:05 ` Robin Holt
2003-04-30 15:29 ` Andi Kleen
2003-04-29 20:17 ` Christoph Hellwig
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