From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: [PATCH 85/140] ACPICA: On AML mutex force-release, set depth to zero (was 1). Date: Wed, 7 Feb 2007 13:51:39 -0500 Message-ID: <11708744994030-git-send-email-lenb@kernel.org> References: <11708743541314-git-send-email-lenb@kernel.org> <11708743561383-git-send-email-lenb@kernel.org> <117087435785-git-send-email-lenb@kernel.org> <11708743582090-git-send-email-lenb@kernel.org> <11708743611662-git-send-email-lenb@kernel.org> <11708743653073-git-send-email-lenb@kernel.org> <11708743674006-git-send-email-lenb@kernel.org> <11708743693386-git-send-email-lenb@kernel.org> <11708743702194-git-send-email-lenb@kernel.org> <11708743723353-git-send-email-lenb@kernel.org> <11708743783727-git-send-email-lenb@kernel.org> <11708743802558-git-send-email-lenb@kernel.org> <11708743821259-git-send-email-lenb@kernel.org> <11708743853573-git-send-email-lenb@kernel.org> <11708743871468-git-send-email-lenb@kernel.org> <1170874390715-git-send-email-lenb@kernel.org> <1170874393736-git-send-email-lenb@kernel.org> <11708743943108-git-send-email-lenb@kernel.org> <11708743962377-git-send-ema il-lenb@kernel.org> <11708743972593-git-send-email-lenb@kernel.org> <1170874398386-git-send-email-lenb@kernel.org> <11708743993414-git-send-email-lenb@kernel.org> <11708744003959-git-send-email-lenb@kernel.org> <11708744023872-git-send-email-lenb@kernel.org> <11708744032427-git-send-email-lenb@kernel.org> <11708744053556-git-send-email-lenb@kernel.org> <11708744062538-git-send-email-lenb@kernel.org> <11708744071019-git-send-email-lenb@kernel.org> <11708744093818-git-send-email-lenb@kernel.org> <11708744101300-git-send-email-lenb@kernel.org> <1170874412494-git-send-email-lenb@kernel.org> <11708744142658-git-send-email-lenb@kernel.org> <1170874415464-git-send-email-lenb@kernel.org> <1170874417392-git-send-email-lenb@kernel.org> <1170874418134-git-send-email-lenb@kernel.org> <11708744191642-git-send-email-lenb@kernel.org> <11708744203492-git-send-email-lenb@kernel.org> <1170874421658-git- send-email-lenb@kernel.org> <1170874422581-git-send-email-lenb@kernel.org> <117087442385-git-send-email-lenb@kernel.org> <1170874424332-git-send-email-lenb@kernel.org> <11708744253790-git-send-email-lenb@kernel.org> <11708744263395-git-send-email-lenb@kernel.org> <11708744273028-git-send-email-lenb@kernel.org> <11708744272354-git-send-email-lenb@kernel.org> <11708744311281-git-send-email-lenb@kernel.org> <11708744322360-git-send-email-lenb@kernel.org> <1170874433382-git-send-email-lenb@kernel.org> <11708744353864-git-send-email-lenb@kernel.org> <11708744352790-git-send-email-lenb@kernel.org> <1170874437973-git-send-email-lenb@kernel.org> <11708744382626-git-send-email-lenb@kernel.org> <11708744402139-git-send-email-lenb@kernel.org> <11708744413743-git-send-email-lenb@kernel.org> <117087444256-git-send-email-lenb@kernel.org> <11708744461131-git-send-email-lenb@kernel.org> <1170874451354 1-git-send-email-lenb@kernel.org> <11708744522444-git-send-email-lenb@kernel.org> <1170874453363-git-send-email-lenb@kernel.org> <11708744542419-git-send-email-lenb@kernel.org> <11708744562243-git-send-email-lenb@kernel.org> <1170874458256-git-send-email-lenb@kernel.org> <11708744603317-git-send-email-lenb@kernel.org> <11708744612314-git-send-email-lenb@kernel.org> <117087446376-git-send-email-lenb@kernel.org> <11708744642267-git-send-email-lenb@kernel.org> <11708744674050-git-send-email-lenb@kernel.org> <11708744692041-git-send-email-lenb@kernel.org> <11708744712690-git-send-email-lenb@kernel.org> <11708744732351-git-send-email-lenb@kernel.org> <11708744752537-git-send-email-lenb@kernel.org> <11708744772462-git-send-email-lenb@kernel.org> <11708744803527-git-send-email-lenb@kernel.org> <11708744813011-git-send-email-lenb@kernel.org> <11708744852095-git-send-email-lenb@kernel.org> <117 08744874154-git-send-email-lenb@kernel.org> <11708744878-git-send-email-lenb@kernel.org> <1170874488430-git-send-email-lenb@kernel.org> <11708744903381-git-send-email-lenb@kernel.org> <11708744911989-git-send-email-lenb@kernel.org> <11708744922677-git-send-email-lenb@kernel.org> <11708744934033-git-send-email-lenb@kernel.org> <1170874494939-git-send-email-lenb@kernel.org> <11708744951308-git-send-emailMessage-Id: Reply-To: Len Brown Return-path: Received: from mga07.intel.com ([143.182.124.22]:27301 "EHLO azsmga101.ch.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1422822AbXBGSzA (ORCPT ); Wed, 7 Feb 2007 13:55:00 -0500 In-Reply-To: <11708744982394-git-send-email-lenb@kernel.org> In-Reply-To: <9e89dde2b063ca73fcdc9244fe68e2dea32c5088.1170873816.git.len.brown@intel.com> References: <9e89dde2b063ca73fcdc9244fe68e2dea32c5088.1170873816.git.len.brown@intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org Cc: Bob Moore , Alexey Starikovskiy , Len Brown From: Bob Moore Signed-off-by: Alexey Starikovskiy Signed-off-by: Len Brown --- drivers/acpi/executer/exmutex.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index f1dd1b0..b0be2f4 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -329,6 +329,12 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, * * DESCRIPTION: Release all mutexes held by this thread * + * NOTE: This function is called as the thread is exiting the interpreter. + * Mutexes are not released when an individual control method is exited, but + * only when the parent thread actually exits the interpreter. This allows one + * method to acquire a mutex, and a different method to release it, as long as + * this is performed underneath a single parent control method. + * ******************************************************************************/ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) @@ -346,7 +352,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) obj_desc->mutex.prev = NULL; obj_desc->mutex.next = NULL; - obj_desc->mutex.acquisition_depth = 1; + obj_desc->mutex.acquisition_depth = 0; /* Release the mutex, special case for Global Lock */ -- 1.5.0.rc3.39.gec804