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Mon, 25 Nov 2024 11:59:26 -0800 (PST) From: Jean-Philippe Brucker To: peter.maydell@linaro.org Cc: richard.henderson@linaro.org, philmd@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org, alex.bennee@linaro.org, Jean-Philippe Brucker Subject: [PATCH v3 03/26] target/arm/kvm: Return immediately on error in kvm_arch_init() Date: Mon, 25 Nov 2024 19:56:02 +0000 Message-ID: <20241125195626.856992-5-jean-philippe@linaro.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241125195626.856992-2-jean-philippe@linaro.org> References: <20241125195626.856992-2-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=jean-philippe@linaro.org; helo=mail-wm1-x336.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1732565132179019100 Content-Type: text/plain; charset="utf-8" Returning an error to kvm_init() is fatal anyway, no need to continue the initialization. Signed-off-by: Jean-Philippe Brucker Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/kvm.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 8bdf4abeb6..95bcecf804 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -563,7 +563,7 @@ int kvm_arch_get_default_type(MachineState *ms) =20 int kvm_arch_init(MachineState *ms, KVMState *s) { - int ret =3D 0; + int ret; /* For ARM interrupt delivery is always asynchronous, * whether we are using an in-kernel VGIC or not. */ @@ -585,7 +585,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) !kvm_check_extension(s, KVM_CAP_ARM_IRQ_LINE_LAYOUT_2)) { error_report("Using more than 256 vcpus requires a host kernel " "with KVM_CAP_ARM_IRQ_LINE_LAYOUT_2"); - ret =3D -EINVAL; + return -EINVAL; } =20 if (kvm_check_extension(s, KVM_CAP_ARM_NISV_TO_USER)) { @@ -607,13 +607,14 @@ int kvm_arch_init(MachineState *ms, KVMState *s) warn_report("Eager Page Split support not available"); } else if (!(s->kvm_eager_split_size & sizes)) { error_report("Eager Page Split requested chunk size not valid"= ); - ret =3D -EINVAL; + return -EINVAL; } else { ret =3D kvm_vm_enable_cap(s, KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZ= E, 0, s->kvm_eager_split_size); if (ret < 0) { error_report("Enabling of Eager Page Split failed: %s", strerror(-ret)); + return ret; } } } @@ -626,7 +627,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) hw_breakpoints =3D g_array_sized_new(true, true, sizeof(HWBreakpoint), max_hw_bps); =20 - return ret; + return 0; } =20 unsigned long kvm_arch_vcpu_id(CPUState *cpu) --=20 2.47.0