linux-kernel - Re: RFC: issues concerning the next NAPI interface

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: <20070827.145600.102570576.davem@davemloft.net>
Date:	Mon, 27 Aug 2007 14:56:00 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jchapman@...alix.com
Cc:	shemminger@...ux-foundation.org, ossthema@...ibm.com,
	akepner@....com, netdev@...r.kernel.org, raisch@...ibm.com,
	themann@...ibm.com, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, meder@...ibm.com, tklein@...ibm.com,
	stefan.roscher@...ibm.com
Subject: Re: RFC: issues concerning the next NAPI interface

From: James Chapman <jchapman@...alix.com>
Date: Mon, 27 Aug 2007 22:41:43 +0100

> I don't recall saying anything in previous posts about this. Are you 
> confusing my posts with Jan-Bernd's?

Yes, my bad.

> Jan-Bernd has been talking about using hrtimers to _reschedule_
> NAPI. My posts are suggesting an alternative mechanism that keeps
> NAPI active (with interrupts disabled) for a jiffy or two after it
> would otherwise have gone idle in order to avoid too many interrupts
> when the packet rate is such that NAPI thrashes between poll-on and
> poll-off.

So in this scheme what runs ->poll() to process incoming packets?
The hrtimer?
-
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/