From patchwork Tue Jun 20 05:59:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 1796918 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org 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=) 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 4QlbfX11Dpz20Xf for ; Tue, 20 Jun 2023 16:03:32 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBUQm-0005qK-QD; Tue, 20 Jun 2023 02:01:32 -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 1qBUPB-0004eB-3l; Tue, 20 Jun 2023 01:59:55 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qBUP7-0004Zq-Qc; Tue, 20 Jun 2023 01:59:52 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4QlbZC2v2Sz4x3N; Tue, 20 Jun 2023 15:59:47 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4QlbZ95Ppnz4x2c; Tue, 20 Jun 2023 15:59:45 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-ppc@nongnu.org, Daniel Henrique Barboza Cc: qemu-devel@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH 9/9] target/ppc: Fix timer register accessors when !KVM Date: Tue, 20 Jun 2023 07:59:11 +0200 Message-ID: <20230620055911.187065-10-clg@kaod.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230620055911.187065-1-clg@kaod.org> References: <20230620055911.187065-1-clg@kaod.org> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=rj0j=CI=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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 When the Timer Control and Timer Status registers are modified, avoid calling the KVM backend when not available Signed-off-by: Cédric Le Goater --- target/ppc/kvm.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index a7f2de9d1018..a8a935e26726 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -1728,6 +1728,10 @@ int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) .addr = (uintptr_t) &bits, }; + if (!kvm_enabled()) { + return 0; + } + return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); } @@ -1741,6 +1745,10 @@ int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) .addr = (uintptr_t) &bits, }; + if (!kvm_enabled()) { + return 0; + } + return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); } @@ -1755,6 +1763,10 @@ int kvmppc_set_tcr(PowerPCCPU *cpu) .addr = (uintptr_t) &tcr, }; + if (!kvm_enabled()) { + return 0; + } + return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); }