From nobody Thu Nov 13 20:40:39 2025 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=fail; 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; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1582579567; cv=none; d=zohomail.com; s=zohoarc; b=FkDtXc4vWy0N4l7Q4JVsQbuZucSEJLWzalGAwVqEOKRLT+GEnjdbjmFpASG9/IoWJvRq3hgSDI3Cu4w+49VIVqCPqdzycbWlHMyqQkpPXPjFrthwFhC6bYZw6g6CjpJ2T2HtCYnWtUbeyTsCJoITDxGK1Es/ObwyEFR/OQ2u390= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1582579567; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=I6SdkZkbHtZbpGj30/TNvSyK6rwDYnvFekTs4gXk1Gs=; b=RVfFc6zs15lPafKMPeEMYqul4WBeUoRWLZZcPoc+oF+IogtOhqTSU8CAUJhBFGAwVc/HGhslPkRjv/X3+D2NF11KJxYZdC2DhJhdMvdDh/5auQnHnbLLfstQ72zc7r9f+LibM3501AFg/DnRqR5rwOY6nYfH5NdvKEXEMQdBlmo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1582579567238760.5525458901736; Mon, 24 Feb 2020 13:26:07 -0800 (PST) Received: from localhost ([::1]:43844 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6LEs-0006Zd-40 for importer@patchew.org; Mon, 24 Feb 2020 16:26:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52283) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6KpH-0003yh-Lz for qemu-devel@nongnu.org; Mon, 24 Feb 2020 15:59:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j6KpG-00063E-L9 for qemu-devel@nongnu.org; Mon, 24 Feb 2020 15:59:39 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:52757 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j6KpG-00062m-Fj for qemu-devel@nongnu.org; Mon, 24 Feb 2020 15:59:38 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-493-MKBC_ZuIO0i3O8O_6e9F3g-1; Mon, 24 Feb 2020 15:59:36 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0E7AC189F760; Mon, 24 Feb 2020 20:59:32 +0000 (UTC) Received: from x1w.redhat.com (ovpn-205-162.brq.redhat.com [10.40.205.162]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B01135C651; Mon, 24 Feb 2020 20:59:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582577978; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I6SdkZkbHtZbpGj30/TNvSyK6rwDYnvFekTs4gXk1Gs=; b=M7oSuD3s4Y8EEhZDHwPLEqCdCH3jX0k2xvW4KZaATgIRRe/5Y/iXwG+ljKJbO94U1kDexE uN7LLUvFz21/s/8DfSxommH0HGJbZP/rjHgqEpTsZ8HNV2vvCbykD/vGGO+bZM3IesHBj9 vCRBM0eCha8pzga6UlV1OqFD6X5XiRU= X-MC-Unique: MKBC_ZuIO0i3O8O_6e9F3g-1 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org, Paolo Bonzini , Peter Maydell Subject: [PATCH RESEND v2 15/32] scripts/cocci: Patch to detect potential use of memory_region_init_rom Date: Mon, 24 Feb 2020 21:55:16 +0100 Message-Id: <20200224205533.23798-16-philmd@redhat.com> In-Reply-To: <20200224205533.23798-1-philmd@redhat.com> References: <20200224205533.23798-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagar Karandikar , "Michael S. Tsirkin" , Jason Wang , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mark Cave-Ayland , KONRAD Frederic , Alistair Francis , "Edgar E. Iglesias" , Subbaraya Sundeep , qemu-block@nongnu.org, Magnus Damm , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Joel Stanley , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Aleksandar Rikalo , David Gibson , Artyom Tarasenko , Eduardo Habkost , Jean-Christophe Dubois , Alistair Francis , Fabien Chouteau , qemu-arm@nongnu.org, Peter Chubb , Palmer Dabbelt , Richard Henderson , Kevin Wolf , qemu-riscv@nongnu.org, Igor Mitsyanko , Bastian Koppelmann , Laurent Vivier , Max Reitz , Michael Walle , qemu-ppc@nongnu.org, Aleksandar Markovic , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Add a semantic patch to detect potential replacement of memory_region_init_ram(readonly) by memory_region_init_rom(). Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- .../memory-region-housekeeping.cocci | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/scripts/coccinelle/memory-region-housekeeping.cocci b/scripts/= coccinelle/memory-region-housekeeping.cocci index ee3923d369..9cdde71bb1 100644 --- a/scripts/coccinelle/memory-region-housekeeping.cocci +++ b/scripts/coccinelle/memory-region-housekeeping.cocci @@ -29,6 +29,25 @@ symbol true; ) =20 =20 +@possible_memory_region_init_rom@ +expression E1, E2, E3, E4, E5; +position p; +@@ +( + memory_region_init_ram@p(E1, E2, E3, E4, E5); + ... + memory_region_set_readonly(E1, true); +| + memory_region_init_ram_nomigrate@p(E1, E2, E3, E4, E5); + ... + memory_region_set_readonly(E1, true); +) +@script:python@ +p << possible_memory_region_init_rom.p; +@@ +cocci.print_main("potential use of memory_region_init_rom*() in ", p) + + // Replace by-hand memory_region_init_ram_nomigrate/vmstate_register_ram // code sequences with use of the new memory_region_init_ram function. // Similarly for the _rom and _rom_device functions. --=20 2.21.1