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Thu, 10 Oct 2024 16:55:41 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.192.47]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D95F419560AD; Thu, 10 Oct 2024 16:55:40 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 9132921E6A28; Thu, 10 Oct 2024 18:55:37 +0200 (CEST) Resent-To: michael.roth@amd.com, xieyongji@bytedance.com, Coiby.Xu@gmail.com, eduardo@habkost.net, mark.cave-ayland@ilande.co.uk, philmd@linaro.org, qemu-block@nongnu.org, qemu-devel@nongnu.org Resent-From: Markus Armbruster Resent-Date: Thu, 10 Oct 2024 18:55:37 +0200 Resent-Message-ID: <87ttdjhp86.fsf@pond.sub.org> X-From-Line: armbru@redhat.com Thu Oct 10 17:01:44 2024 Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 26CB621E688F; Thu, 10 Oct 2024 17:01:44 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Cc: xieyongji@bytedance.com, kwolf@redhat.com, hreitz@redhat.com, Coiby.Xu@gmail.com, pbonzini@redhat.com, berrange@redhat.com, eduardo@habkost.net, mark.cave-ayland@ilande.co.uk, michael.roth@amd.com, kkostiuk@redhat.com, qemu-block@nongnu.org, philmd@linaro.org Subject: [PATCH v2 5/7] target/i386/cpu: Improve errors for out of bounds property values Date: Thu, 10 Oct 2024 17:01:42 +0200 Message-ID: <20241010150144.986655-6-armbru@redhat.com> In-Reply-To: <20241010150144.986655-1-armbru@redhat.com> References: <20241010150144.986655-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.129.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.149, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The error message for a "stepping" value that is out of bounds is a bit odd: $ qemu-system-x86_64 -cpu qemu64,stepping=16 qemu-system-x86_64: can't apply global qemu64-x86_64-cpu.stepping=16: Property .stepping doesn't take value 16 (minimum: 0, maximum: 15) The "can't apply global" part is an unfortunate artifact of -cpu's implementation. Left for another day. The remainder feels overly verbose. Change it to qemu64-x86_64-cpu: can't apply global qemu64-x86_64-cpu.stepping=16: parameter 'stepping' can be at most 15 Likewise for "family", "model", and "tsc-frequency". Signed-off-by: Markus Armbruster Reviewed-by: Igor Mammedov --- target/i386/cpu.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 4f8fa60432..de2c7041c5 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -31,7 +31,6 @@ #include "qapi/error.h" #include "qemu/error-report.h" #include "qapi/qapi-visit-machine.h" -#include "qapi/qmp/qerror.h" #include "standard-headers/asm-x86/kvm_para.h" #include "hw/qdev-properties.h" #include "hw/i386/topology.h" @@ -5455,8 +5454,8 @@ static void x86_cpuid_version_set_family(Object *obj, Visitor *v, return; } if (value > max) { - error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", - name ? name : "null", value, (int64_t)0, (int64_t)max); + error_setg(errp, "parameter '%s' can be at most %" PRIu64, + name ? name : "null", max); return; } @@ -5494,8 +5493,8 @@ static void x86_cpuid_version_set_model(Object *obj, Visitor *v, return; } if (value > max) { - error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", - name ? name : "null", value, (int64_t)0, (int64_t)max); + error_setg(errp, "parameter '%s' can be at most %" PRIu64, + name ? name : "null", max); return; } @@ -5528,8 +5527,8 @@ static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v, return; } if (value > max) { - error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", - name ? name : "null", value, (int64_t)0, (int64_t)max); + error_setg(errp, "parameter '%s' can be at most %" PRIu64, + name ? name : "null", max); return; } @@ -5623,16 +5622,15 @@ static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { X86CPU *cpu = X86_CPU(obj); - const int64_t min = 0; const int64_t max = INT64_MAX; int64_t value; if (!visit_type_int(v, name, &value, errp)) { return; } - if (value < min || value > max) { - error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", - name ? name : "null", value, min, max); + if (value < 0 || value > max) { + error_setg(errp, "parameter '%s' can be at most %" PRId64, + name ? name : "null", max); return; }