netdev - Re: [PATCH 10/12] forcedeth: tx max work

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 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]

Date:	Thu, 18 Jan 2007 21:52:33 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Ayaz Abdulla <aabdulla@...dia.com>
CC:	Manfred Spraul <manfred@...orfullife.com>,
	Andrew Morton <akpm@...l.org>, netdev@...r.kernel.org
Subject: Re: [PATCH 10/12] forcedeth: tx max work

Ayaz Abdulla wrote:
> This patch adds a limit to how much tx work can be done in each 
> iteration of tx processing.
> 
> Signed-Off-By: Ayaz Abdulla <aabdulla@...dia.com>

What about the "tail end" of the work, when the limit is reached?

Remember that delaying the completion of TX's too long increases latency.

It seems to me that this patch needs a timer or somesuch, to guarantee 
that TX completions are not delayed too long in the worst case.

	Jeff



-
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