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Message-Id: <7304B0EB-403B-401E-8823-CBB1012C4229@holtmann.org>
Date: Mon, 5 May 2014 19:25:50 -0700
From: Marcel Holtmann <marcel@...tmann.org>
To: Libor Pechacek <lpechacek@...e.cz>
Cc: "Gustavo F. Padovan" <gustavo@...ovan.org>,
Johan Hedberg <johan.hedberg@...il.com>,
Peter Hurley <peter@...leysoftware.com>,
Seung-Woo Kim <sw0312.kim@...sung.com>,
Gianluca Anzolin <gianluca@...tospazio.it>,
BlueZ development <linux-bluetooth@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>, Al Cho <acho@...e.com>
Subject: Re: [PATCH] rfcomm: Convert spinlocks into mutexes
Hi Libor,
> Enabling CONFIG_DEBUG_ATOMIC_SLEEP has shown that some rfcomm functions
> acquiring spinlocks call sleeping locks further in the chain. Converting
> the offending spinlocks into mutexes makes sleeping safe.
>
> Signed-off-by: Libor Pechacek <lpechacek@...e.cz>
> ---
> include/net/bluetooth/rfcomm.h | 6 +++---
> net/bluetooth/rfcomm/core.c | 2 +-
> net/bluetooth/rfcomm/tty.c | 20 ++++++++++----------
> 3 files changed, 14 insertions(+), 14 deletions(-)
patch has been applied to bluetooth-next tree.
Regards
Marcel
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