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 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 B4400C7EE24 for ; Tue, 16 May 2023 09:06:54 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pyqdS-0002d6-Kj; Tue, 16 May 2023 05:06:22 -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 1pyqdO-0002cU-DY for qemu-devel@nongnu.org; Tue, 16 May 2023 05:06:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pyqdM-0007E4-W1 for qemu-devel@nongnu.org; Tue, 16 May 2023 05:06:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684227972; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=xhfpK7PHMoIgMNdnenMvwmAXC84sSLaszoOeE7+Jn88=; b=jOYgUdF2OhsoLS28HyNEEGlmWImihCzM0giI+hxt2QJoA6MuBZ8g4togJxogpFckgR5P+K oQBWshWikjBCjWjHzYtvQU44ilCImvp+2X4WvxSox0DQDq/qDkxsQzqcD36vqCfw7xVDXZ k+dEBRh2oxVQ/9LtaIveT1cb3j4SEmg= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-541-Wv3du_CUPZyWrytRi0BbZQ-1; Tue, 16 May 2023 05:06:09 -0400 X-MC-Unique: Wv3du_CUPZyWrytRi0BbZQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 68F3189174B; Tue, 16 May 2023 09:06:09 +0000 (UTC) Received: from thuth.com (unknown [10.39.193.48]) by smtp.corp.redhat.com (Postfix) with ESMTP id CC0CF1410F23; Tue, 16 May 2023 09:06:07 +0000 (UTC) From: Thomas Huth To: Paolo Bonzini , Alexander Bulekov Cc: Fam Zheng , qemu-devel@nongnu.org, Fiona Ebner , Darren Kenny , Thomas Huth Subject: [PATCH] lsi53c895a: disable reentrancy detection for MMIO region, too Date: Tue, 16 May 2023 11:05:56 +0200 Message-Id: <20230516090556.553813-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org While trying to use a SCSI disk on the LSI controller with an older version of Fedora (25), I'm getting: qemu: warning: Blocked re-entrant IO on MemoryRegion: lsi-mmio at addr: 0x34 and the SCSI controller is not usable. Seems like we have to disable the reentrancy checker for the MMIO region, too, to get this working again. Signed-off-by: Thomas Huth --- hw/scsi/lsi53c895a.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c index db27872963..048436352b 100644 --- a/hw/scsi/lsi53c895a.c +++ b/hw/scsi/lsi53c895a.c @@ -2307,6 +2307,7 @@ static void lsi_scsi_realize(PCIDevice *dev, Error **errp) * re-entrancy guard. */ s->ram_io.disable_reentrancy_guard = true; + s->mmio_io.disable_reentrancy_guard = 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); -- 2.31.1