Message ID | 20220817161342.240674-9-mst@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3200AC25B08 for <qemu-devel@archiver.kernel.org>; Wed, 17 Aug 2022 16:42:58 +0000 (UTC) Received: from localhost ([::1]:56056 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org>) id 1oOM89-0000Y3-Bu for qemu-devel@archiver.kernel.org; Wed, 17 Aug 2022 12:42:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49880) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <mst@redhat.com>) id 1oOLnX-0007ku-4t for qemu-devel@nongnu.org; Wed, 17 Aug 2022 12:21:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:45918) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <mst@redhat.com>) id 1oOLnV-0005db-H4 for qemu-devel@nongnu.org; Wed, 17 Aug 2022 12:21:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1660753296; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Dumk1EQg5Ag6vu8AL5g6B95ji6VBlJBMEnXMduaUodE=; b=fPENus8Fmlvz7CIiltFsGzgzaxSqh2FeIVZjrzge+h4tV/SSiAv8iIZsK+JkS2o8g47uIO umz4L/DoFHU8nDzaDdpY+h0HYqPzD2d2ouqL/eznuZVtF0hCG/1zGRGCNG/y8zPHk7PhAM UCUJiIKWZ0b/IPMnA2L1vkktIGnNaKE= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-645-BibXulo_N7a2C56F0HNMmg-1; Wed, 17 Aug 2022 12:15:01 -0400 X-MC-Unique: BibXulo_N7a2C56F0HNMmg-1 Received: by mail-wr1-f71.google.com with SMTP id g11-20020adfa48b000000b002250d091f76so1900438wrb.3 for <qemu-devel@nongnu.org>; Wed, 17 Aug 2022 09:15:00 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc; bh=Dumk1EQg5Ag6vu8AL5g6B95ji6VBlJBMEnXMduaUodE=; b=Ip+5mx/zoFOQEYbD9aXln1z4e1pA/vWmzGa6cXxPRP1lMTbkX16dL8HdnQrInvDG2O +Ot8pyNrzf8105ok92S2oKd3tBMD0oSi5lDlDiDqt6bBz9U/uNM/9SY63ccw1azWrY+8 63ipXMZwmCniQ8du5dFnG4KgDLqkuTS7hFyuB7wNvFUKKzyGsThWpKNTz2X5Of0ceT/I A2/JOM76EzL0xXMfYwm/rTKn4gUh/fTqU9uWDRm9YJC6ohWFzD77Eo2ucYLyHxBANi8z LfpufvpQvkw/M2cWBnSTo3cMxkOh14kBAIRKimQ6VLjaVsmhxKB+XhvNhvQ65xzWTfwj FUpg== X-Gm-Message-State: ACgBeo0MDMOJuUroQZ7VfAGbVdyoUkEgXxPhE3XEMZcFzaZNJ6TXottj xe0EIaRVdfW02S90Po9i4Zjh9Ys/NeHn6ARuvlKYMXCeSbmWQW48ByQcMqhJL1TV60qvRSEvUlC UU2gfjAo8QXm5P6aAjxOJ4H0iu0BbTmryGWK/mmqj91mtY2Iq1WPmyyH3MUJM X-Received: by 2002:a5d:64a1:0:b0:222:3b0d:c9a3 with SMTP id m1-20020a5d64a1000000b002223b0dc9a3mr15164680wrp.437.1660752899883; Wed, 17 Aug 2022 09:14:59 -0700 (PDT) X-Google-Smtp-Source: AA6agR49T2bEym4M5bXS97Or9ylPWfRsZP1qYG8kyHvmtDY4k/Gt2RyGQWodrDvK+UXPSetHsBmJGw== X-Received: by 2002:a5d:64a1:0:b0:222:3b0d:c9a3 with SMTP id m1-20020a5d64a1000000b002223b0dc9a3mr15164664wrp.437.1660752899592; Wed, 17 Aug 2022 09:14:59 -0700 (PDT) Received: from redhat.com ([2.55.4.37]) by smtp.gmail.com with ESMTPSA id b3-20020a05600010c300b002217339ce90sm13498386wrx.8.2022.08.17.09.14.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Aug 2022 09:14:59 -0700 (PDT) Date: Wed, 17 Aug 2022 12:14:56 -0400 From: "Michael S. Tsirkin" <mst@redhat.com> To: qemu-devel@nongnu.org Cc: Peter Maydell <peter.maydell@linaro.org>, Jonathan Cameron <Jonathan.Cameron@huawei.com>, Ben Widawsky <ben.widawsky@intel.com> Subject: [PULL 08/10] hw/cxl: Correctly handle variable sized mailbox input payloads. 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Series |
[PULL,01/10] virtio-scsi: fix race in virtio_scsi_dataplane_start()
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diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 3cea8b17a8..bc1bb18844 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -425,7 +425,7 @@ void cxl_process_mailbox(CXLDeviceState *cxl_dstate) cxl_cmd = &cxl_cmd_set[set][cmd]; h = cxl_cmd->handler; if (h) { - if (len == cxl_cmd->in) { + if (len == cxl_cmd->in || cxl_cmd->in == ~0) { cxl_cmd->payload = cxl_dstate->mbox_reg_state + A_CXL_DEV_CMD_PAYLOAD; ret = (*h)(cxl_cmd, cxl_dstate, &len);