netdev - Re: [PATCH 3/16] Spidernet RX Locking

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4577E850.6040500@pobox.com>
Date:	Thu, 07 Dec 2006 05:09:20 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Linas Vepstas <linas@...tin.ibm.com>
CC:	Andrew Morton <akpm@...l.org>, netdev@...r.kernel.org,
	linuxppc-dev@...abs.org, James K Lewis <jklewis@...ibm.com>,
	Arnd Bergmann <arnd@...db.de>,
	Geoff Levand <geoffrey.levand@...sony.com>
Subject: Re: [PATCH 3/16] Spidernet RX Locking

Linas Vepstas wrote:
> The RX packet handling can be called from several
> places, yet does not protect the rx ring structure.
> This patch places the ring buffer pointers under a lock.
> 
> Signed-off-by: Linas Vepstas <linas@...tin.ibm.com>
> Cc: James K Lewis <jklewis@...ibm.com>
> Cc: Arnd Bergmann <arnd@...db.de>

This is a HUGELY invasive patch.  A sledgehammer.

What /specifically/ are these "several places", and what other 
non-sledgehammer approaches were discarded before arriving at this one?

	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