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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 A8792C48BCD for ; Mon, 7 Jun 2021 16:25:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D5AA6141E for ; Mon, 7 Jun 2021 16:25:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232948AbhFGQ12 (ORCPT ); Mon, 7 Jun 2021 12:27:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:33388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232048AbhFGQXd (ORCPT ); Mon, 7 Jun 2021 12:23:33 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C058461934; Mon, 7 Jun 2021 16:15:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623082530; bh=aAI/46Ras21Co2Ll9FAuQ+ltWSKOi10RTPNrJe5ufAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RBGQh5PFBFbHGkRQ7Q66FuWXKaG1URRyrbbfne8r3LNG9PzDCCFJ9OHdlFyMZpUzL Em4z4oG/UndgyY640sE+rgOnSZ4gNZfgpCXTmKPPCBF87nCGOFho3mXJ5Wgc/tLyD4 Qx/mIVndY4bpAD2L5PaSmUaAuYna2BvhuM/ozGmTdPhnrUd4/E3X80+y6VSV101neW 7cTiviq1L0QbTPdWpZn155e6zeBuHh5BMTXWqYfGyoT8qhBezR1+y8mz5+68Fh1s1+ DtgBd3Cm35zz2zBtRWmNDnwrtDREO2ZZTzEsNGWnNZHeH7ijTH29KXNOj/9qhhvLEn xSEImb4DaW5yw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Maurizio Lombardi , Bart Van Assche , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 09/18] scsi: target: core: Fix warning on realtime kernels Date: Mon, 7 Jun 2021 12:15:07 -0400 Message-Id: <20210607161517.3584577-9-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210607161517.3584577-1-sashal@kernel.org> References: <20210607161517.3584577-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maurizio Lombardi [ Upstream commit 515da6f4295c2c42b8c54572cce3d2dd1167c41e ] On realtime kernels, spin_lock_irq*(spinlock_t) do not disable the interrupts, a call to irqs_disabled() will return false thus firing a warning in __transport_wait_for_tasks(). Remove the warning and also replace assert_spin_locked() with lockdep_assert_held() Link: https://lore.kernel.org/r/20210531121326.3649-1-mlombard@redhat.com Reviewed-by: Bart Van Assche Signed-off-by: Maurizio Lombardi Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/target/target_core_transport.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 0d0be7d8b9d6..852680e85921 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2966,9 +2966,7 @@ __transport_wait_for_tasks(struct se_cmd *cmd, bool fabric_stop, __releases(&cmd->t_state_lock) __acquires(&cmd->t_state_lock) { - - assert_spin_locked(&cmd->t_state_lock); - WARN_ON_ONCE(!irqs_disabled()); + lockdep_assert_held(&cmd->t_state_lock); if (fabric_stop) cmd->transport_state |= CMD_T_FABRIC_STOP; -- 2.30.2