From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A209DC433EF for ; Tue, 19 Apr 2022 18:11:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351129AbiDSSOZ (ORCPT ); Tue, 19 Apr 2022 14:14:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356255AbiDSSOU (ORCPT ); Tue, 19 Apr 2022 14:14:20 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D0503D1F6; Tue, 19 Apr 2022 11:11:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 360DBB81846; Tue, 19 Apr 2022 18:11:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7E1DC385AD; Tue, 19 Apr 2022 18:11:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650391894; bh=zqYE2dBiFpRl4OeuEjvjF+2WlsvVq3M+PLNfL0rUOW0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TorB5OBPUgcOVi3jj4o8HgIaGBnh39cNXDnTNge5Vkj1g9qa8dsZzV9trrSkamsrE rEIrEgESP7WHupC35SfUl1qBCa/94UD9Wslpt94tui8oNVPb0SAaTNHN4jsdjVtDRE d124rg/beZWrQZofKRrh/SDubg4anNOvbSSuE/xJcd+bVt+QumED2X9OKPFRf2Da7H BrQNHo8UxVitBYtbiszxo3gmntzkEphTpklE5w0YlC/4ZF6BlZkDzKargCd8aOOOWm iOJ60cwvXq0P8O8Mym3CF9h2s55Xpz444zABmdvxAPB6DCfiX1sOI9Z0ep0jlDiAnE saGCZ7CWXiM4Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Oliver Upton , Marc Zyngier , Sasha Levin , pbonzini@redhat.com, shuah@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH AUTOSEL 5.17 09/34] selftests: KVM: Free the GIC FD when cleaning up in arch_timer Date: Tue, 19 Apr 2022 14:10:36 -0400 Message-Id: <20220419181104.484667-9-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220419181104.484667-1-sashal@kernel.org> References: <20220419181104.484667-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Oliver Upton [ Upstream commit 21db83846683d3987666505a3ec38f367708199a ] In order to correctly destroy a VM, all references to the VM must be freed. The arch_timer selftest creates a VGIC for the guest, which itself holds a reference to the VM. Close the GIC FD when cleaning up a VM. Signed-off-by: Oliver Upton Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20220406235615.1447180-4-oupton@google.com Signed-off-by: Sasha Levin --- tools/testing/selftests/kvm/aarch64/arch_timer.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c index b08d30bf71c5..3b940a101bc0 100644 --- a/tools/testing/selftests/kvm/aarch64/arch_timer.c +++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c @@ -362,11 +362,12 @@ static void test_init_timer_irq(struct kvm_vm *vm) pr_debug("ptimer_irq: %d; vtimer_irq: %d\n", ptimer_irq, vtimer_irq); } +static int gic_fd; + static struct kvm_vm *test_vm_create(void) { struct kvm_vm *vm; unsigned int i; - int ret; int nr_vcpus = test_args.nr_vcpus; vm = vm_create_default_with_vcpus(nr_vcpus, 0, 0, guest_code, NULL); @@ -383,8 +384,8 @@ static struct kvm_vm *test_vm_create(void) ucall_init(vm, NULL); test_init_timer_irq(vm); - ret = vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA); - if (ret < 0) { + gic_fd = vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA); + if (gic_fd < 0) { print_skip("Failed to create vgic-v3"); exit(KSFT_SKIP); } @@ -395,6 +396,12 @@ static struct kvm_vm *test_vm_create(void) return vm; } +static void test_vm_cleanup(struct kvm_vm *vm) +{ + close(gic_fd); + kvm_vm_free(vm); +} + static void test_print_help(char *name) { pr_info("Usage: %s [-h] [-n nr_vcpus] [-i iterations] [-p timer_period_ms]\n", @@ -478,7 +485,7 @@ int main(int argc, char *argv[]) vm = test_vm_create(); test_run(vm); - kvm_vm_free(vm); + test_vm_cleanup(vm); return 0; } -- 2.35.1