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From: Christoph Hellwig <hch@infradead.org>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: must-fix list for 2.6.0
Date: Thu, 1 May 2003 15:33:25 +0100	[thread overview]
Message-ID: <20030501153325.A15458@infradead.org> (raw)
In-Reply-To: <20030429155731.07811707.akpm@digeo.com>; from akpm@digeo.com on Tue, Apr 29, 2003 at 03:57:31PM -0700

drivers/scsi/

 - large parts of the locking are hosed or not existant
      o shost->my_devices isn't locked down at all
      o the host list ist locked but not refcounted, mess can
         happen when the spinlock is dropped
      o there are lots of members of struct Scsi_Host/scsi_device/scsi_cmnd
        with very unclear locking, many of them probably want to become
	atomic_t's or bitmaps (for the 1bit bitfields).
      o there's lots of volatile abuse in the scsi code that needs to
        be thought about.
      o there's some global variables incremented without any locks

fs/devfs/

 - there's a fundamental lookup vs devfsd race that's only fixable
   by introducing a lookup vs devfs deadlock.  I can't see how this
   is fixable without getting rid of the current devfsd design.
   Mandrake seems to have a workaround for this so this is at least
   not triggered so easily, but that's not what I'd considere a fix..

  parent reply	other threads:[~2003-05-01 14:21 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-29 22:57 must-fix list for 2.6.0 Andrew Morton
2003-04-29 23:22 ` John Bradford
2003-04-29 23:37   ` Andrew Morton
2003-04-30  3:19 ` William Lee Irwin III
2003-04-30  4:45   ` Andrew Morton
2003-04-30  4:52     ` William Lee Irwin III
2003-05-01  4:32     ` William Lee Irwin III
2003-04-30  8:30 ` Benjamin Herrenschmidt
2003-04-30 10:16 ` Maciej Soltysiak
2003-04-30 19:11   ` Andrew Morton
2003-04-30 23:11     ` Rick Lindsley
2003-04-30 23:21       ` Andrew Morton
2003-04-30 23:47         ` viro
2003-04-30 23:59           ` Andrew Morton
2003-05-01  6:27             ` Christoph Hellwig
2003-05-01  5:49               ` Shawn
2003-05-01 10:14                 ` Christoph Hellwig
2003-05-01  9:47                   ` Alan Cox
2003-05-01 15:44               ` Robert Love
2003-05-01  0:09           ` Robert Love
2003-05-01  0:51             ` Gerrit Huizenga
2003-05-01  5:40               ` Dave Hansen
2003-05-01 11:57                 ` Bill Huey
2003-04-30 23:53         ` Robert Love
2003-05-01  8:36         ` Arjan van de Ven
2003-05-01  8:42           ` Andrew Morton
2003-05-01  8:47             ` Arjan van de Ven
2003-04-30 23:41       ` Robert Love
2003-05-01 16:50         ` Hubertus Franke
2003-05-01  3:21     ` Mike Galbraith
2003-05-01  6:26       ` Mike Galbraith
2003-05-01 14:33 ` Christoph Hellwig [this message]
2003-05-01 18:42   ` Andrew Morton
2003-05-01 18:47     ` Christoph Hellwig
2003-05-02  1:57       ` Andreas Boman
     [not found] <20030429155731.07811707.akpm@digeo.com.suse.lists.linux.kernel>
2003-04-30  1:36 ` Andi Kleen
2003-04-30 18:09   ` Pavel Machek
2003-04-30 18:15     ` Andi Kleen
2003-04-30 19:11       ` Pavel Machek
     [not found] <20030429231009$1e6b@gated-at.bofh.it>
2003-04-30  4:55 ` Florian Weimer
2003-04-30 10:18   ` Maciej Soltysiak
2003-05-01 11:24   ` David S. Miller
2003-05-01 11:27     ` Florian Weimer
2003-05-01 12:03       ` David S. Miller
2003-05-01 12:05       ` David S. Miller
2003-05-02 16:28         ` Carl-Daniel Hailfinger
2003-05-02 21:14           ` David S. Miller

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