From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8457DC433E0 for ; Thu, 2 Jul 2020 12:17:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69B7F20884 for ; Thu, 2 Jul 2020 12:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728917AbgGBMRr (ORCPT ); Thu, 2 Jul 2020 08:17:47 -0400 Received: from cloudserver094114.home.pl ([79.96.170.134]:44656 "EHLO cloudserver094114.home.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728730AbgGBMRm (ORCPT ); Thu, 2 Jul 2020 08:17:42 -0400 Received: from 89-64-84-242.dynamic.chello.pl (89.64.84.242) (HELO kreacher.localnet) by serwer1319399.home.pl (79.96.170.134) with SMTP (IdeaSmtpServer 0.83.415) id c59e2b59b8593f71; Thu, 2 Jul 2020 14:17:40 +0200 From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , Erik Kaneda , Bob Moore , Len Brown , Dan Williams , Dan Williams Subject: [PATCH 1/3] ACPI: OSL: Use deferred unmapping in acpi_os_unmap_generic_address() Date: Thu, 02 Jul 2020 14:11:12 +0200 Message-ID: <2627540.Zly3GVl0Zp@kreacher> In-Reply-To: <22474080.3crLlKV2y5@kreacher> References: <22474080.3crLlKV2y5@kreacher> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: "Rafael J. Wysocki" There is no reason (knwon to me) why any of the existing users of acpi_os_unmap_generic_address() would need to wait for the unused memory mappings left by it to actually go away, so use the deferred unmapping of ACPI memory introduced previously in that function. Signed-off-by: Rafael J. Wysocki --- drivers/acpi/osl.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index abbf8630f774..5c56f084e8b0 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -518,12 +518,9 @@ void acpi_os_unmap_generic_address(struct acpi_generic_address *gas) mutex_unlock(&acpi_ioremap_lock); return; } - if (acpi_os_drop_map_ref(map, false)) - map = NULL; + acpi_os_drop_map_ref(map, true); mutex_unlock(&acpi_ioremap_lock); - - acpi_os_map_cleanup(map); } EXPORT_SYMBOL(acpi_os_unmap_generic_address); -- 2.26.2