From patchwork Mon Sep 17 16:30:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Emilio Cota X-Patchwork-Id: 10603091 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7073F6CB for ; Mon, 17 Sep 2018 16:45:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 669672A1CA for ; Mon, 17 Sep 2018 16:45:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5A0162A226; Mon, 17 Sep 2018 16:45:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 02C332A1CA for ; Mon, 17 Sep 2018 16:45:39 +0000 (UTC) Received: from localhost ([::1]:36519 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g1weY-0001fP-70 for patchwork-qemu-devel@patchwork.kernel.org; Mon, 17 Sep 2018 12:45:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41126) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g1wQo-0006Qq-Ry for qemu-devel@nongnu.org; Mon, 17 Sep 2018 12:31:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g1wQl-00029r-D6 for qemu-devel@nongnu.org; Mon, 17 Sep 2018 12:31:26 -0400 Received: from wout2-smtp.messagingengine.com ([64.147.123.25]:40449) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g1wQl-0001qD-41 for qemu-devel@nongnu.org; Mon, 17 Sep 2018 12:31:23 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 459AB54A; Mon, 17 Sep 2018 12:31:10 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Mon, 17 Sep 2018 12:31:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=braap.org; h=cc :date:from:in-reply-to:message-id:references:subject:to :x-me-sender:x-me-sender:x-sasl-enc; s=mesmtp; bh=gBkPUoExPLWQ6Y XgqZ2WLCUMEyEwfT7Hj474HYXb2BY=; b=iu4+3CBrG9oNUGAiWEH6AtzZjq+Y9a Y9lnucdeeBENkZLeKjAaKXA8Oct3r7mm5CtePL35R+1LRaUfeeSPc7XaagvmrQ8p EbrG3eGD1Fg/8ItuB7TAUHRaNzQ5NIqhOKySl4PTY0EZftYhycUVVmzSYJBG2L/2 626k0fmtisSb8= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:date:from:in-reply-to:message-id :references:subject:to:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=gBkPUoExPLWQ6YXgqZ2WLCUMEyEwfT7Hj474HYXb2BY=; b=nNlQG6yD cWaBPPyTwqXwNMK0Aoz3Hm2cKT4GaQIpNO/e2F6ithNadbeZxzUGQPNlthBE664/ fSnDUDM7rZEAQFueLnO2sD66pAvPHFDqErQxmLWRSxcppO+juBfnT7iEGZzPGAAX usjS1tY7CjlT8vH5bdaEheg7yN0nvov0xH/8SVcn5pok62gxxvZGGsOGsd8vZGqI /jKIBWkgX4/u+jB6FtCayi50/qGhfB0no4Z1Au4TcHQmr6ThCModkcKUkfYCEYv7 H/U6HlUmToWVfNeQVTShwr3V8PywyHjtHx9WbJSbJfa2yxBJYtcgvG37UOq1uxRy /AHBQbeidVXq5Q== X-ME-Proxy: X-ME-Sender: Received: from localhost (flamenco.cs.columbia.edu [128.59.20.216]) by mail.messagingengine.com (Postfix) with ESMTPA id 7626EE49EC; Mon, 17 Sep 2018 12:31:09 -0400 (EDT) From: "Emilio G. Cota" To: qemu-devel@nongnu.org Date: Mon, 17 Sep 2018 12:30:49 -0400 Message-Id: <20180917163103.6113-22-cota@braap.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180917163103.6113-1-cota@braap.org> References: <20180917163103.6113-1-cota@braap.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 64.147.123.25 Subject: [Qemu-devel] [PATCH 21/35] target/openrisc: access cpu->interrupt_request with atomics X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Stafford Horne Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Paolo Bonzini Cc: Stafford Horne Signed-off-by: Paolo Bonzini Signed-off-by: Emilio G. Cota Reviewed-by: Philippe Mathieu-Daudé --- hw/openrisc/cputimer.c | 2 +- target/openrisc/cpu.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/openrisc/cputimer.c b/hw/openrisc/cputimer.c index 850f88761c..4d1b638025 100644 --- a/hw/openrisc/cputimer.c +++ b/hw/openrisc/cputimer.c @@ -102,7 +102,7 @@ static void openrisc_timer_cb(void *opaque) CPUState *cs = CPU(cpu); cpu->env.ttmr |= TTMR_IP; - cs->interrupt_request |= CPU_INTERRUPT_TIMER; + atomic_or(&cs->interrupt_request, CPU_INTERRUPT_TIMER); } switch (cpu->env.ttmr & TTMR_M) { diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c index fb7cb5c507..269c947f05 100644 --- a/target/openrisc/cpu.c +++ b/target/openrisc/cpu.c @@ -32,8 +32,8 @@ static void openrisc_cpu_set_pc(CPUState *cs, vaddr value) static bool openrisc_cpu_has_work(CPUState *cs) { - return cs->interrupt_request & (CPU_INTERRUPT_HARD | - CPU_INTERRUPT_TIMER); + return atomic_read(&cs->interrupt_request) & (CPU_INTERRUPT_HARD | + CPU_INTERRUPT_TIMER); } static void openrisc_disas_set_info(CPUState *cpu, disassemble_info *info)