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:	Fri, 23 Nov 2007 14:09:13 -0600
From:	Matt Mackall <>
To:	Evgeniy Polyakov <>
Cc:	Andrew Morton <>,
	Simon Arlott <>,
	Linux Kernel Mailing List <>,, Ingo Molnar <>
Subject: Re: 2.6.23 WARNING: at kernel/softirq.c:139 local_bh_enable()

On Fri, Nov 23, 2007 at 10:54:11PM +0300, Evgeniy Polyakov wrote:
> On Fri, Nov 23, 2007 at 01:41:39PM -0600, Matt Mackall ( wrote:
> > Here's another thought: move all this logic into the networking core,
> > unify it with current softirq zapper, then allow it to be called from
> > various other places (like atomic allocators). Then it'll all be in
> > central maintained place with more users.
> This can be done quite easily - put a check into __kfree_skb() if
> netpoll is compiled-in and we are in hardirq context, then put skb
> into softirq freeing queue. Then zap_completion_queue() can free
> anything without ever knowing about nature of the packet, since this
> will be checked in __kfree_skb() anyway.

What I had in mind was moving the whole zap_completion_queue concept
into net/core/skbuff. So that netpoll (and, say, atomic kmalloc) can
simply call something like "clean_completion_queue".

Mathematics is the supreme nostalgia of our time.
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists