netdev - Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead of netif

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: <87y7896ylv.fsf@basil.nowhere.org>
Date:	23 Mar 2008 20:15:24 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead of netif_rx()

Eric Dumazet <dada1@...mosbay.com> writes:
> 
> What we call 4K stacks is in fact 4K - sizeof(struct task_struct), so

Actually it is 4K - sizeof(struct thread_struct). 

> a litle bit more than 2K. (not counting some insane configuration were
> struct task_struct take 3.5 KB, see CONFIG_LATENCYTOP for an example)

thread_struct significantly smaller than task_struct

That said I agree that 4K stack is too tight for many things
and in general dangerous.

-Andi
--
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