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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 DE5A4C432C3 for ; Sat, 23 Nov 2019 02:31:17 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 6F85F20726 for ; Sat, 23 Nov 2019 02:31:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F85F20726 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C32894AED1; Fri, 22 Nov 2019 21:31:16 -0500 (EST) 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 UG6DNsq6BnoV; Fri, 22 Nov 2019 21:31:15 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C7F1C4AE97; Fri, 22 Nov 2019 21:31:15 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 0D15D4AE97 for ; Fri, 22 Nov 2019 21:31:14 -0500 (EST) 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 X63ICHLQB1Mi for ; Fri, 22 Nov 2019 21:31:12 -0500 (EST) Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 5D0F84AE8D for ; Fri, 22 Nov 2019 21:31:12 -0500 (EST) Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 4BE8A966CB0AAB32D4C5; Sat, 23 Nov 2019 10:31:09 +0800 (CST) Received: from huawei.com (10.175.105.18) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.439.0; Sat, 23 Nov 2019 10:31:03 +0800 From: linmiaohe To: , , , , , Subject: [PATCH] KVM: arm: fix missing free_percpu_irq in kvm_timer_hyp_init() Date: Sat, 23 Nov 2019 10:30:29 +0800 Message-ID: <1574476229-15448-1-git-send-email-linmiaohe@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.105.18] X-CFilter-Loop: Reflected Cc: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.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 From: Miaohe Lin When host_ptimer_irq request irq resource failed, we forget to release the host_vtimer_irq resource already requested. Fix this missing irq release and other similar scenario. Fixes: 9e01dc76be6a ("KVM: arm/arm64: arch_timer: Assign the phys timer on VHE systems") Signed-off-by: Miaohe Lin --- virt/kvm/arm/arch_timer.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index f182b2380345..73867f97040c 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -935,7 +935,7 @@ int kvm_timer_hyp_init(bool has_gic) kvm_get_running_vcpus()); if (err) { kvm_err("kvm_arch_timer: error setting vcpu affinity\n"); - goto out_free_irq; + goto out_free_vtimer_irq; } static_branch_enable(&has_gic_active_state); @@ -960,7 +960,7 @@ int kvm_timer_hyp_init(bool has_gic) if (err) { kvm_err("kvm_arch_timer: can't request ptimer interrupt %d (%d)\n", host_ptimer_irq, err); - return err; + goto out_disable_gic_state; } if (has_gic) { @@ -968,7 +968,7 @@ int kvm_timer_hyp_init(bool has_gic) kvm_get_running_vcpus()); if (err) { kvm_err("kvm_arch_timer: error setting vcpu affinity\n"); - goto out_free_irq; + goto out_free_ptimer_irq; } } @@ -977,15 +977,22 @@ int kvm_timer_hyp_init(bool has_gic) kvm_err("kvm_arch_timer: invalid physical timer IRQ: %d\n", info->physical_irq); err = -ENODEV; - goto out_free_irq; + goto out_disable_gic_state; } cpuhp_setup_state(CPUHP_AP_KVM_ARM_TIMER_STARTING, "kvm/arm/timer:starting", kvm_timer_starting_cpu, kvm_timer_dying_cpu); return 0; -out_free_irq: + +out_free_ptimer_irq: + free_percpu_irq(host_ptimer_irq, kvm_get_running_vcpus()); +out_disable_gic_state: + if (has_gic) + static_branch_disable(&has_gic_active_state); +out_free_vtimer_irq: free_percpu_irq(host_vtimer_irq, kvm_get_running_vcpus()); + return err; } -- 2.19.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm