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
| ||
|
Date: Tue, 1 Jun 2010 21:32:19 -0700 (PDT) From: Linus Torvalds <torvalds@...ux-foundation.org> To: Rusty Russell <rusty@...tcorp.com.au> cc: Andrew Morton <akpm@...ux-foundation.org>, Brandon Philips <brandon@...p.org>, "Rafael J. Wysocki" <rjw@...k.pl>, LKML <linux-kernel@...r.kernel.org>, Jon Masters <jonathan@...masters.org>, Tejun Heo <htejun@...il.com>, Masami Hiramatsu <mhiramat@...hat.com>, Kay Sievers <kay.sievers@...y.org> Subject: Re: [PATCH 2/2] module: fix bne2 "gave up waiting for init of module libcrc32c" On Wed, 2 Jun 2010, Rusty Russell wrote: > > > I would like to note that your original "fix things by dropping the lock" > > patch that I hated so much had this exact bug too. Making this a good > > example of _why_ it's basically always wrong to drop locks in the middle - > > even if you claimed you knew and understood the locking. > > And I would like to note that it didn't :) It grabbed references only on > completed modules. Right you are, I misread the patch. You re-did the whole module lookup, something that the original code didn't do. And yes, that should be safe. Linus -- 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/
Powered by blists - more mailing lists