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=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 E7B2CC433E0 for ; Thu, 25 Feb 2021 13:37:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C84064EFA for ; Thu, 25 Feb 2021 13:37:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232394AbhBYNht (ORCPT ); Thu, 25 Feb 2021 08:37:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229644AbhBYNhj (ORCPT ); Thu, 25 Feb 2021 08:37:39 -0500 Received: from mail-qv1-xf2b.google.com (mail-qv1-xf2b.google.com [IPv6:2607:f8b0:4864:20::f2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0585C061574 for ; Thu, 25 Feb 2021 05:36:58 -0800 (PST) Received: by mail-qv1-xf2b.google.com with SMTP id k7so70238qvo.6 for ; Thu, 25 Feb 2021 05:36:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:references:in-reply-to:mime-version:thread-index:date :message-id:subject:to:cc; bh=cwHBSxQ8Bxd8fT5h4MpiLJHx9Zi1xTQU5RhLpMhRIbw=; b=MMcZ7rwx5/prmTWbnpE2dIeCqp1f/9RtC6qm6A5FcMRL3A62ZTwC43A7k/A6TruHEH gAwk1qrumC9jpK4EBlM+YhO7tLJ/iDaWQzcjPL/L0hgt1XQqBDqYe80V5YV+XD2KSIRZ bu5uS4DhLCjTbnI3Y/STtUfqTUgPPEQAP2XZc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:references:in-reply-to:mime-version :thread-index:date:message-id:subject:to:cc; bh=cwHBSxQ8Bxd8fT5h4MpiLJHx9Zi1xTQU5RhLpMhRIbw=; b=SZAGJzbEvUvIeLAJJemyFiDTwDK/Lm1rQKfDeDrVM+hqreX9QU6RPlCqy4gLaLxgMF FcWAhQPQZg47OnGIxpw+8bkX8wi1SY34SwniNFO1wDctjo++yPxGQVm2xN+1kjqGdQDa 1dQ78XKmnSzNwly5NBX9GUrTo3//qJO4S3cbAlguwQWkF8dU3kD2atQ8gn2dF0lQcO+K ZhEYuRFX6LFx+eP0ixqSPvKVaIkEW3UUIPITCv8Yq8oPoQo4i7Mk5GQZesX3funkot2d FGrD79ksA7tr0JJEBNunkZ8coeQYoRhDNs1PnGO2zYcWmzTYEr1dD8x8apFO9ufJGzxQ UTSg== X-Gm-Message-State: AOAM530akU9D1Ih6WhGXTT8QSkMSplRSkHqJKMDxHtrGA1hisD0D5bEm ywsojcPaPcpaOljn42njJm7ZfweGimt4tIgp4UC/T3Qt//hMqQ== X-Google-Smtp-Source: ABdhPJw5szdadvoSPnyLlNnda+oVLP9K4FsV3uoHADbGSXSK8TsV32+/kgiBN335OsbzSx4XYqe8vSbm4SPIq9dnTq8= X-Received: by 2002:a0c:b92c:: with SMTP id u44mr2580155qvf.34.1614260217708; Thu, 25 Feb 2021 05:36:57 -0800 (PST) From: Kashyap Desai References: <20201222101156.98308-1-kashyap.desai@broadcom.com> <20201222101156.98308-7-kashyap.desai@broadcom.com> <1d1e8644-85a3-6696-41d6-16bb0cf405bb@redhat.com> In-Reply-To: <1d1e8644-85a3-6696-41d6-16bb0cf405bb@redhat.com> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQIVk2r6yGrO96+nYWGuC86HruD4YwGvjN5aAeJypVCpzz9zMA== Date: Thu, 25 Feb 2021 19:06:55 +0530 Message-ID: Subject: RE: [PATCH 06/24] mpi3mr: add support of event handling part-1 To: Tomas Henzl , linux-scsi@vger.kernel.org Cc: jejb@linux.ibm.com, martin.petersen@oracle.com, Steve Hagan , Peter Rivera , mpi3mr-drvr-developers , Sathya Prakash Veerichetty Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000e108b805bc293efd" Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org --000000000000e108b805bc293efd Content-Type: text/plain; charset="UTF-8" > ... > > + */ > > +void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc) { > > + struct mpi3mr_fwevt *fwevt = NULL; > > + > > + if ((list_empty(&mrioc->fwevt_list) && !mrioc->current_event) || > > + !mrioc->fwevt_worker_thread || in_interrupt()) > The in_interrup macro is deprecated and should not be used in new code. > Is it at all possible to call the mpi3mr_cleanup_fwevt_list from interrupt > context? I agree with you. In_interrupt() check is safe to remove. I will take care while sending V2. Kashyap > > > + return; > > + > > + while ((fwevt = mpi3mr_dequeue_fwevt(mrioc)) || > > + (fwevt = mrioc->current_event)) { > > + /* > > + * Wait on the fwevt to complete. If this returns 1, then > > + * the event was never executed, and we need a put for the > > + * reference the work had on the fwevt. > > + * > > + * If it did execute, we wait for it to finish, and the put will > > + * happen from mpi3mr_process_fwevt() > > + */ > > + if (cancel_work_sync(&fwevt->work)) { > > + /* > > + * Put fwevt reference count after > > + * dequeuing it from worker queue > > + */ > > + mpi3mr_fwevt_put(fwevt); > > + /* > > + * Put fwevt reference count to neutralize > > + * kref_init increment > > + */ > > + mpi3mr_fwevt_put(fwevt); > > + } > > + } > > +} --000000000000e108b805bc293efd Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQcAYJKoZIhvcNAQcCoIIQYTCCEF0CAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3HMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD 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