From patchwork Tue Dec 8 19:48:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Claudio Fontana X-Patchwork-Id: 11959707 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEB56C433FE for ; Tue, 8 Dec 2020 20:56:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 733AE23AFB for ; Tue, 8 Dec 2020 20:56:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 733AE23AFB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38086 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmk2N-0008TC-Hx for qemu-devel@archiver.kernel.org; Tue, 08 Dec 2020 15:56:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52610) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmiyw-0001OB-TP for qemu-devel@nongnu.org; Tue, 08 Dec 2020 14:49:06 -0500 Received: from mx2.suse.de ([195.135.220.15]:43514) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmiyu-0000ve-Qo for qemu-devel@nongnu.org; Tue, 08 Dec 2020 14:49:06 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 8A8CAAD35; Tue, 8 Dec 2020 19:48:53 +0000 (UTC) From: Claudio Fontana To: Paolo Bonzini , Thomas Huth , Richard Henderson , Stefano Stabellini , Wenchao Wang , Roman Bolshakov , Sunil Muthuswamy , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= Subject: [RFC v9 12/32] tcg: make CPUClass.cpu_exec_* optional Date: Tue, 8 Dec 2020 20:48:19 +0100 Message-Id: <20201208194839.31305-13-cfontana@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201208194839.31305-1-cfontana@suse.de> References: <20201208194839.31305-1-cfontana@suse.de> MIME-Version: 1.0 Received-SPF: pass client-ip=195.135.220.15; envelope-from=cfontana@suse.de; helo=mx2.suse.de X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Eduardo Habkost , Paul Durrant , Jason Wang , Marcelo Tosatti , qemu-devel@nongnu.org, Peter Xu , Dario Faggioli , Cameron Esfahani , haxm-team@intel.com, Colin Xu , Anthony Perard , Bruce Rogers , Olaf Hering , "Emilio G . Cota" , Claudio Fontana Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Eduardo Habkost This will let us simplify the code that initializes CPU class methods, when we move cpu_exec_*() to a separate struct. Signed-off-by: Eduardo Habkost Signed-off-by: Claudio Fontana Reviewed-by: Alex Bennée --- accel/tcg/cpu-exec.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 8d31145ad2..890b88861a 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -240,14 +240,18 @@ static void cpu_exec_enter(CPUState *cpu) { CPUClass *cc = CPU_GET_CLASS(cpu); - cc->cpu_exec_enter(cpu); + if (cc->cpu_exec_enter) { + cc->cpu_exec_enter(cpu); + } } static void cpu_exec_exit(CPUState *cpu) { CPUClass *cc = CPU_GET_CLASS(cpu); - cc->cpu_exec_exit(cpu); + if (cc->cpu_exec_exit) { + cc->cpu_exec_exit(cpu); + } } void cpu_exec_step_atomic(CPUState *cpu) @@ -619,7 +623,8 @@ static inline bool cpu_handle_interrupt(CPUState *cpu, True when it is, and we should restart on a new TB, and via longjmp via cpu_loop_exit. */ else { - if (cc->cpu_exec_interrupt(cpu, interrupt_request)) { + if (cc->cpu_exec_interrupt && + cc->cpu_exec_interrupt(cpu, interrupt_request)) { if (need_replay_interrupt(interrupt_request)) { replay_interrupt(); }