From nobody Tue Feb 10 06:58:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1694611176880967.1207988965897; Wed, 13 Sep 2023 06:19:36 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qgPl9-0007EN-5F; Wed, 13 Sep 2023 09:18:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qgPl6-0007Bl-M8; Wed, 13 Sep 2023 09:18:20 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qgPl4-0002u9-54; Wed, 13 Sep 2023 09:18:20 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id DE4FF21760; Wed, 13 Sep 2023 16:18:07 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id D8AFB27C83; Wed, 13 Sep 2023 16:18:01 +0300 (MSK) Received: (nullmailer pid 4073283 invoked by uid 1000); Wed, 13 Sep 2023 13:18:00 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Alexander Bulekov , Fiona Ebner , Thomas Huth , Darren Kenny , Michael Tokarev Subject: [Stable-8.0.5 06/66] lsi53c895a: disable reentrancy detection for script RAM Date: Wed, 13 Sep 2023 16:17:30 +0300 Message-Id: <20230913131757.4073200-6-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1694611177291100003 Content-Type: text/plain; charset="utf-8" From: Alexander Bulekov As the code is designed to use the memory APIs to access the script ram, disable reentrancy checks for the pseudo-RAM ram_io MemoryRegion. In the future, ram_io may be converted from an IO to a proper RAM MemoryReg= ion. Reported-by: Fiona Ebner Signed-off-by: Alexander Bulekov Reviewed-by: Thomas Huth Reviewed-by: Darren Kenny Message-Id: <20230427211013.2994127-6-alxndr@bu.edu> Signed-off-by: Thomas Huth (cherry picked from commit bfd6e7ae6a72b84e2eb9574f56e6ec037f05182c) Signed-off-by: Michael Tokarev diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c index bbf32d3f73..17af67935f 100644 --- a/hw/scsi/lsi53c895a.c +++ b/hw/scsi/lsi53c895a.c @@ -2313,6 +2313,12 @@ static void lsi_scsi_realize(PCIDevice *dev, Error *= *errp) memory_region_init_io(&s->io_io, OBJECT(s), &lsi_io_ops, s, "lsi-io", 256); =20 + /* + * Since we use the address-space API to interact with ram_io, disable= the + * re-entrancy guard. + */ + s->ram_io.disable_reentrancy_guard =3D true; + address_space_init(&s->pci_io_as, pci_address_space_io(dev), "lsi-pci-= io"); qdev_init_gpio_out(d, &s->ext_irq, 1); =20 --=20 2.39.2