From patchwork Thu Aug 31 19:17:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 1828480 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=DF9Y/MQY; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Rc9tV6sFgz1ygM for ; Fri, 1 Sep 2023 05:18:26 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qbnAe-00005E-Cf; Thu, 31 Aug 2023 15:17:36 -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 1qbnAc-0008WG-HL for qemu-devel@nongnu.org; Thu, 31 Aug 2023 15:17:34 -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 1qbnAZ-0001wF-4E for qemu-devel@nongnu.org; Thu, 31 Aug 2023 15:17:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1693509449; 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: in-reply-to:in-reply-to:references:references; bh=jdgP5F/yXX+hJjmU4snMPTChZc1rm4GZdPcoUAT34Tg=; b=DF9Y/MQYMEmTimW9METCkeVcOC5r8ZjIhL397+TKZ0ZQQh9TM0J9PhyaW9tWwbGv1u6TY3 zsVKROhkHVkZwkaZIqI6emHqa2PU/wMOt68BOjexkBfMGHXXBlW8sFIWe9icOI9ZrPCJAd GqaHZNWCYdENBqB3A4D6L3Y3fB0iFUc= 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-503-vy1UoK7bP3WONnOqTfnUNQ-1; Thu, 31 Aug 2023 15:17:26 -0400 X-MC-Unique: vy1UoK7bP3WONnOqTfnUNQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id CC982805F5B; Thu, 31 Aug 2023 19:17:25 +0000 (UTC) Received: from thuth.com (unknown [10.39.192.74]) by smtp.corp.redhat.com (Postfix) with ESMTP id B37CA63F7A; Thu, 31 Aug 2023 19:17:24 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , Ilya Leoshkevich , David Hildenbrand Subject: [PULL 1/7] target/s390x: Define TARGET_HAS_PRECISE_SMC Date: Thu, 31 Aug 2023 21:17:13 +0200 Message-Id: <20230831191719.140001-2-thuth@redhat.com> In-Reply-To: <20230831191719.140001-1-thuth@redhat.com> References: <20230831191719.140001-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 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, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Ilya Leoshkevich PoP (Sequence of Storage References -> Instruction Fetching) says: ... if a store that is conceptually earlier is made by the same CPU using the same effective address as that by which the instruction is subse- quently fetched, the updated information is obtained ... QEMU already has support for this in the common code; enable it for s390x. Signed-off-by: Ilya Leoshkevich Message-Id: <20230807114921.438881-1-iii@linux.ibm.com> Acked-by: David Hildenbrand Signed-off-by: Thomas Huth --- target/s390x/cpu.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index eb5b65b7d3..304029e57c 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -36,6 +36,8 @@ /* The z/Architecture has a strong memory model with some store-after-load re-ordering */ #define TCG_GUEST_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) +#define TARGET_HAS_PRECISE_SMC + #define TARGET_INSN_START_EXTRA_WORDS 2 #define MMU_USER_IDX 0