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Tsirkin" To: Igor Mammedov Subject: Re: [PATCH v2 04/15] tests: acpi: q35: test for x2APIC entries in SRAT Message-ID: <20211019074422-mutt-send-email-mst@kernel.org> References: <20210902113551.461632-1-imammedo@redhat.com> <20210902113551.461632-5-imammedo@redhat.com> <20211018173052-mutt-send-email-mst@kernel.org> <20211019114825.1464da19@redhat.com> <20211019061656-mutt-send-email-mst@kernel.org> <20211019133624.5cd5ae3d@redhat.com> MIME-Version: 1.0 In-Reply-To: <20211019133624.5cd5ae3d@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, pbonzini@redhat.com, thuth@redhat.com, qemu-devel@nongnu.org, Eduardo Habkost Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Oct 19, 2021 at 01:36:24PM +0200, Igor Mammedov wrote: > On Tue, 19 Oct 2021 06:23:40 -0400 > "Michael S. Tsirkin" wrote: > > > On Tue, Oct 19, 2021 at 11:48:25AM +0200, Igor Mammedov wrote: > > > On Mon, 18 Oct 2021 17:31:33 -0400 > > > "Michael S. Tsirkin" wrote: > > > > > > > On Thu, Sep 02, 2021 at 07:35:40AM -0400, Igor Mammedov wrote: > > > > > Set -smp 1,maxcpus=288 to test for ACPI code that > > > > > deal with CPUs with large APIC ID (>255). > > > > > > > > > > PS: > > > > > Test requires KVM and in-kernel irqchip support, > > > > > so skip test if KVM is not available. > > > > > > > > > > Signed-off-by: Igor Mammedov > > > > > --- > > > > > v3: > > > > > - add dedicated test instead of abusing 'numamem' one > > > > > - add 'kvm' prefix to the test name > > > > > ("Michael S. Tsirkin" ) > > > > > v2: > > > > > - switch to qtest_has_accel() API > > > > > > > > > > CC: thuth@redhat.com > > > > > CC: lvivier@redhat.com > > > > > --- > > > > > tests/qtest/bios-tables-test.c | 17 +++++++++++++++++ > > > > > 1 file changed, 17 insertions(+) > > > > > > > > > > diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c > > > > > index 51d3a4e239..1f6779da87 100644 > > > > > --- a/tests/qtest/bios-tables-test.c > > > > > +++ b/tests/qtest/bios-tables-test.c > > > > > @@ -1033,6 +1033,19 @@ static void test_acpi_q35_tcg_numamem(void) > > > > > free_test_data(&data); > > > > > } > > > > > > > > > > +static void test_acpi_q35_kvm_xapic(void) > > > > > +{ > > > > > + test_data data; > > > > > + > > > > > + memset(&data, 0, sizeof(data)); > > > > > + data.machine = MACHINE_Q35; > > > > > + data.variant = ".xapic"; > > > > > + test_acpi_one(" -object memory-backend-ram,id=ram0,size=128M" > > > > > + " -numa node -numa node,memdev=ram0" > > > > > + " -machine kernel-irqchip=on -smp 1,maxcpus=288", &data); > > > > > + free_test_data(&data); > > > > > +} > > > > > + > > > > > static void test_acpi_q35_tcg_nosmm(void) > > > > > { > > > > > test_data data; > > > > > > > > > > > > This causes an annoying message each time I run it: > > > > > > > > qemu-system-x86_64: -accel kvm: warning: Number of hotpluggable cpus requested (288) exceeds the recommended cpus supported by KVM (240) > > > > > > > > what gives? > > > > > > it depends on kernel, see kvm_recommended_vcpus(). > > > > > > We probably should bump it on upstream kernel side > > > (it's much more than that in RHEL8). > > > > > > Is there anything that prevents bumping upstream kernel limits? > > > > what should we do with the annoying warning though? > > I'd leave it alone. > What do you suggest? > reduce the value so a typical system does not trigger it? > > > > > @@ -1506,6 +1519,7 @@ static void test_acpi_oem_fields_virt(void) > > > > > int main(int argc, char *argv[]) > > > > > { > > > > > const char *arch = qtest_get_arch(); > > > > > + const bool has_kvm = qtest_has_accel("kvm"); > > > > > int ret; > > > > > > > > > > g_test_init(&argc, &argv, NULL); > > > > > @@ -1561,6 +1575,9 @@ int main(int argc, char *argv[]) > > > > > if (strcmp(arch, "x86_64") == 0) { > > > > > qtest_add_func("acpi/microvm/pcie", test_acpi_microvm_pcie_tcg); > > > > > } > > > > > + if (has_kvm) { > > > > > + qtest_add_func("acpi/q35/kvm/xapic", test_acpi_q35_kvm_xapic); > > > > > + } > > > > > } else if (strcmp(arch, "aarch64") == 0) { > > > > > qtest_add_func("acpi/virt", test_acpi_virt_tcg); > > > > > qtest_add_func("acpi/virt/numamem", test_acpi_virt_tcg_numamem); > > > > > -- > > > > > 2.27.0 > > > > > >