Message ID | 20221130230934.1014142-6-seanjc@google.com (mailing list archive) |
---|---|
State | Handled Elsewhere |
Headers | show
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Wed, 30 Nov 2022 15:09:46 -0800 (PST) Date: Wed, 30 Nov 2022 23:08:49 +0000 In-Reply-To: <20221130230934.1014142-1-seanjc@google.com> Mime-Version: 1.0 References: <20221130230934.1014142-1-seanjc@google.com> X-Mailer: git-send-email 2.38.1.584.g0f3c55d4c2-goog Message-ID: <20221130230934.1014142-6-seanjc@google.com> Subject: [PATCH v2 05/50] KVM: s390: Unwind kvm_arch_init() piece-by-piece() if a step fails From: Sean Christopherson <seanjc@google.com> To: Paolo Bonzini <pbonzini@redhat.com>, Marc Zyngier <maz@kernel.org>, Huacai Chen <chenhuacai@kernel.org>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Anup Patel <anup@brainfault.org>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Christian Borntraeger <borntraeger@linux.ibm.com>, Janosch Frank <frankja@linux.ibm.com>, Claudio Imbrenda <imbrenda@linux.ibm.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Sean Christopherson <seanjc@google.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, David Woodhouse <dwmw2@infradead.org>, Paul Durrant <paul@xen.org> Content-Type: text/plain; charset="UTF-8" X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Reply-To: Sean Christopherson <seanjc@google.com> Cc: kvm@vger.kernel.org, David Hildenbrand <david@redhat.com>, Atish Patra <atishp@atishpatra.org>, linux-kernel@vger.kernel.org, Kai Huang <kai.huang@intel.com>, linux-riscv@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-s390@vger.kernel.org, Chao Gao <chao.gao@intel.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Yuan Yao <yuan.yao@intel.com>, kvmarm@lists.linux.dev, Thomas Gleixner <tglx@linutronix.de>, Alexandru Elisei <alexandru.elisei@arm.com>, linux-arm-kernel@lists.infradead.org, Isaku Yamahata <isaku.yamahata@intel.com>, =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= <philmd@linaro.org>, Fabiano Rosas <farosas@linux.ibm.com>, Cornelia Huck <cohuck@redhat.com>, linux-mips@vger.kernel.org, Oliver Upton <oliver.upton@linux.dev>, James Morse <james.morse@arm.com>, kvm-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
KVM: Rework kvm_init() and hardware enabling
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expand
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diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index e4890e04b210..221481a09742 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -498,11 +498,11 @@ int kvm_arch_init(void *opaque) kvm_s390_dbf_uv = debug_register("kvm-uv", 32, 1, 7 * sizeof(long)); if (!kvm_s390_dbf_uv) - goto out; + goto err_kvm_uv; if (debug_register_view(kvm_s390_dbf, &debug_sprintf_view) || debug_register_view(kvm_s390_dbf_uv, &debug_sprintf_view)) - goto out; + goto err_debug_view; kvm_s390_cpu_feat_init(); @@ -510,25 +510,32 @@ int kvm_arch_init(void *opaque) rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC); if (rc) { pr_err("A FLIC registration call failed with rc=%d\n", rc); - goto out; + goto err_flic; } if (IS_ENABLED(CONFIG_VFIO_PCI_ZDEV_KVM)) { rc = kvm_s390_pci_init(); if (rc) { pr_err("Unable to allocate AIFT for PCI\n"); - goto out; + goto err_pci; } } rc = kvm_s390_gib_init(GAL_ISC); if (rc) - goto out; + goto err_gib; return 0; -out: - kvm_arch_exit(); +err_gib: + if (IS_ENABLED(CONFIG_VFIO_PCI_ZDEV_KVM)) + kvm_s390_pci_exit(); +err_pci: +err_flic: +err_debug_view: + debug_unregister(kvm_s390_dbf_uv); +err_kvm_uv: + debug_unregister(kvm_s390_dbf); return rc; }