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From: Peter Hurley <peter@hurleysoftware.com>
To: Linus Torvalds <torvalds@linux-foundation.org>,
	Sander Eikelenboom <linux@eikelenboom.it>
Cc: "John W. Linville" <linville@tuxdriver.com>,
	"David S. Miller" <davem@davemloft.net>,
	Marcel Holtmann <marcel@holtmann.org>,
	"Gustavo F. Padovan" <gustavo@padovan.org>,
	"bluez mailin list (linux-bluetooth@vger.kernel.org)" 
	<linux-bluetooth@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RC6 Bell Chime] [PATCH 00/24] rfcomm fixes
Date: Sat, 15 Mar 2014 16:45:03 -0400	[thread overview]
Message-ID: <5324BBCF.1090101@hurleysoftware.com> (raw)
In-Reply-To: <CA+55aFzLGvLhF258vCWbyvXX0UOJ_tcnKaNRz_38mR5rnO6e_Q@mail.gmail.com>

On 03/15/2014 01:53 PM, Linus Torvalds wrote:
> Guys, why is this being discussed?

FWIW, the 'known breakage' for 3.14 is a (valid) lockdep report.

This regression was introduced by a small patchset added to -next
over the holidays that was intended to address 2 bug reports
stemming from a long-overdue overhaul of the RFCOMM tty driver by
Gianluca Anzolin (which fixed numerous problems and several hangs
reported since 3.8).

It is the bulk of that small patchset which is being reverted.

The point of this brief history is that:
1) the 3.13 state of rfcomm is just as broken as 3.14-rcX, but
    in a different way
2) there are plenty of serious defects in both versions regardless.

I mean for this to be informative and not argumentative --
either outcome is ok with me. In fact, I'm ok if you want to
pick my entire 24-patch series that addresses the bugs in 3.13
and 3.14, plus a bunch of other problems that I found at the time.

Regards,
Peter Hurley


  reply	other threads:[~2014-03-15 20:45 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-10  1:59 [PATCH 00/24] rfcomm fixes Peter Hurley
2014-02-10  1:59 ` [PATCH 01/24] Revert "Bluetooth: Remove rfcomm_carrier_raised()" Peter Hurley
2014-02-10  1:59 ` [PATCH 02/24] Revert "Bluetooth: Always wait for a connection on RFCOMM open()" Peter Hurley
2014-02-10  1:59 ` [PATCH 03/24] Revert "Bluetooth: Move rfcomm_get_device() before rfcomm_dev_activate()" Peter Hurley
2014-02-10  1:59 ` [PATCH 04/24] tty: Fix ref counting for port krefs Peter Hurley
2014-02-13 18:36   ` Greg Kroah-Hartman
2014-02-10  1:59 ` [PATCH 05/24] Bluetooth: Fix racy acquire of rfcomm_dev reference Peter Hurley
2014-02-10  1:59 ` [PATCH 06/24] Bluetooth: Exclude released devices from RFCOMMGETDEVLIST ioctl Peter Hurley
2014-02-10  1:59 ` [PATCH 07/24] Bluetooth: Release rfcomm_dev only once Peter Hurley
2014-02-10  1:59 ` [PATCH 08/24] Bluetooth: Fix unreleased rfcomm_dev reference Peter Hurley
2014-02-10  1:59 ` [PATCH 09/24] Bluetooth: Fix RFCOMM tty teardown race Peter Hurley
2014-02-10  1:59 ` [PATCH 10/24] Bluetooth: Verify dlci not in use before rfcomm_dev create Peter Hurley
2014-02-10  1:59 ` [PATCH 11/24] Bluetooth: Simplify RFCOMM session state eval Peter Hurley
2014-02-10  1:59 ` [PATCH 12/24] Bluetooth: Refactor deferred setup test in rfcomm_dlc_close() Peter Hurley
2014-02-10  1:59 ` [PATCH 13/24] Bluetooth: Refactor dlc disconnect logic " Peter Hurley
2014-02-10  1:59 ` [PATCH 14/24] Bluetooth: Directly close dlc for not yet started RFCOMM session Peter Hurley
2014-02-10  1:59 ` [PATCH 15/24] Bluetooth: Fix unsafe RFCOMM device parenting Peter Hurley
2014-02-10  1:59 ` [PATCH 16/24] Bluetooth: Fix RFCOMM parent device for reused dlc Peter Hurley
2014-02-10  1:59 ` [PATCH 17/24] Bluetooth: Rename __rfcomm_dev_get() to __rfcomm_dev_lookup() Peter Hurley
2014-02-10  1:59 ` [PATCH 18/24] Bluetooth: Serialize RFCOMMCREATEDEV and RFCOMMRELEASEDEV ioctls Peter Hurley
2014-02-10  1:59 ` [PATCH 19/24] Bluetooth: Refactor rfcomm_dev_add() Peter Hurley
2014-02-10  1:59 ` [PATCH 20/24] Bluetooth: Cleanup RFCOMM device registration error handling Peter Hurley
2014-02-10  1:59 ` [PATCH 21/24] Bluetooth: Force -EIO from tty read/write if .activate() fails Peter Hurley
2014-02-10  1:59 ` [PATCH 22/24] Bluetooth: Don't fail RFCOMM tty writes Peter Hurley
2014-02-10  1:59 ` [PATCH 23/24] Bluetooth: Refactor write_room() calculation Peter Hurley
2014-02-10  1:59 ` [PATCH 24/24] Bluetooth: Fix " Peter Hurley
2014-02-10 22:09 ` [PATCH 00/24] rfcomm fixes Marcel Holtmann
2014-02-10 23:00   ` Peter Hurley
2014-02-12 22:58     ` Marcel Holtmann
2014-02-13  0:38       ` Peter Hurley
2014-02-13 21:48         ` Alexander Holler
2014-02-12 11:06   ` Sander Eikelenboom
2014-03-03 19:38     ` Sander Eikelenboom
2014-03-10  8:38       ` [RC6 Bell Chime] " Sander Eikelenboom
2014-03-10 15:08         ` John W. Linville
2014-03-11 15:14           ` [RC6 Bell Chime] " Marcel Holtmann
2014-03-14  0:49             ` Sander Eikelenboom
2014-03-14  1:28               ` Marcel Holtmann
2014-03-14  1:29               ` Peter Hurley
2014-03-15 13:51                 ` Sander Eikelenboom
2014-03-15 17:53                   ` Linus Torvalds
2014-03-15 20:45                     ` Peter Hurley [this message]
2014-03-15 22:20                       ` Sander Eikelenboom
2014-03-16  0:16                       ` Linus Torvalds
2014-02-13 21:41 ` Alexander Holler
2014-02-14 21:45 ` Marcel Holtmann

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