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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59443C433FE for ; Mon, 4 Apr 2022 18:21:36 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 12ED84B23F; Mon, 4 Apr 2022 14:21:36 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8v+7HtxR1GuT; Mon, 4 Apr 2022 14:21:35 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 07BE24B2D1; Mon, 4 Apr 2022 14:21:34 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id E29F74B2A3 for ; Mon, 4 Apr 2022 14:21:32 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 44CWxTxc0bBz for ; Mon, 4 Apr 2022 14:21:31 -0400 (EDT) Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id A9D1B4B2BF for ; Mon, 4 Apr 2022 14:21:31 -0400 (EDT) Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-2e644c76556so88451177b3.15 for ; Mon, 04 Apr 2022 11:21:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=uRmXUJJ9UlZ6s6G2CwiIknxpFh1oZyxCOBIJvLxa8r4=; b=pD4+208dXd+MuHbyfJYWyePRJiEoaz4qSgQF8/hxMsKV0Z77tFRwC9sUU2JZ74zbJN Nlx5Axiw++PDyBNl2HV3VZvug6drX2xzxJfLCeMbpi2IVdhGJTyKXQYDIlOUkOJDaG/U iepheGb2k8zTo54D5xJ4g1d40r92qSQZajd6inFsq2CyMqBwM0sBRQghFW0OCXgcjDEC SR3U2crly/QNYAVdd/EEvyop1nywh9D3m92nz/i8+U1+woMZ9ZvSk5oMGmsLxa/V1Udx TxlfQuZhwK3T9hIAV4TsTqwqva87iJ2lYmlpt23OOpbQJY2u9rHr3uEOleyMUM1aY8I5 5Fsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=uRmXUJJ9UlZ6s6G2CwiIknxpFh1oZyxCOBIJvLxa8r4=; b=qenGNz6lnOUtaxkWIirl7cQxHECGX8rLvoFhDO6JJmFckLXcLHRBUdNlEAQiL1dxnA JvQ1yfYnkA8zU8Sn21FrBkQSwMy/WIM1ZbKdh3nHK8CGVdkaHLxhL3dDMgK+S0Yl0xa3 zRxm2aJRD/5zvmXEfdQfOq9n6YvILq7QOqfhslDl2jg6To5p6YUhkpXeCwCBIV6kfUWm 9sl4FkFWRMtnZlqycFVg8MMPeyOY+VZnzmE2tLpAwMgQo+sa4DPC4vTZhMNv/eUMrqoz fZISuIJXtIavX7i3jkz5mohv6AEtJmTCi02sKuoFoqYqrGDpFLDu2J8GZCaA9sIS+F1G aJ4g== X-Gm-Message-State: AOAM532+5/n16uj/m49W48EEvVJGZ5HrOMqDzJ0I+UWzhWf84jHgXEPE dgOHw4f48peunDsvTWEUUod9kSMp4n57IZxIYB/7p0D6jZhHvmNP9ijKrH0r8C3oukTSToc1Mzk 6tuLpkNqUxAXQBrqopp3sqqIALv84JJk2nHSTzEI3SB9UMlXN4dwpZGfAjtFnd8jhHisVSg== X-Google-Smtp-Source: ABdhPJyae0iAnZ5vVEgpMLzFzDK8g3K2mXaBfdK4hiobTFKYWjRk2EN5sWj512nGNHMjsWgcvI/z556o6Kc= X-Received: from oupton.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:404]) (user=oupton job=sendgmr) by 2002:a05:6902:1082:b0:63e:145c:dc55 with SMTP id v2-20020a056902108200b0063e145cdc55mr805811ybu.283.1649096491105; Mon, 04 Apr 2022 11:21:31 -0700 (PDT) Date: Mon, 4 Apr 2022 18:21:19 +0000 In-Reply-To: <20220404182119.3561025-1-oupton@google.com> Message-Id: <20220404182119.3561025-4-oupton@google.com> Mime-Version: 1.0 References: <20220404182119.3561025-1-oupton@google.com> X-Mailer: git-send-email 2.35.1.1094.g7c7d902a7c-goog Subject: [PATCH v2 3/3] selftests: KVM: Free the GIC FD when cleaning up in arch_timer From: Oliver Upton To: kvmarm@lists.cs.columbia.edu Cc: kvm@vger.kernel.org, Marc Zyngier , Peter Shier , Paolo Bonzini , linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu 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 --- 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; } -- 2.35.1.1094.g7c7d902a7c-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7399EC433FE for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- 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; } -- 2.35.1.1094.g7c7d902a7c-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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 DBE23C433EF for ; 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charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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 --- 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; } -- 2.35.1.1094.g7c7d902a7c-goog