{"id":2229994,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2229994/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429044752.4176397-23-alistair.francis@wdc.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260429044752.4176397-23-alistair.francis@wdc.com>","date":"2026-04-29T04:47:23","name":"[PULL,22/51] hw/riscv/virt-acpi-build.c: Use kvm timer frequency when kvm enabled","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"b431d43d7973d82922e8d7f8593a491b3746f4c5","submitter":{"id":64571,"url":"http://patchwork.ozlabs.org/api/1.1/people/64571/?format=json","name":"Alistair Francis","email":"alistair23@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429044752.4176397-23-alistair.francis@wdc.com/mbox/","series":[{"id":501983,"url":"http://patchwork.ozlabs.org/api/1.1/series/501983/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501983","date":"2026-04-29T04:47:05","name":"[PULL,01/51] hw/riscv/riscv-iommu: Use standard EN_PRI bit for PRI","version":1,"mbox":"http://patchwork.ozlabs.org/series/501983/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2229994/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2229994/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=C6lxuA69;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-pl1-x629.google.com","X-Spam_score_int":"-17","X-Spam_score":"-1.8","X-Spam_bar":"-","X-Spam_report":"(-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Yicong Yang \n\nThe timer frequency is decided by the host(kvm) rather than a fixed\nRISCV_ACLINT_DEFAULT_TIMEBASE_FREQ on kvm accelerated VM. So build\nRCHT with KVM provided timer frequency if KVM is enabled, just like\nhow we build the timer node on DT based VM.\n\nFixes: ebfd39289370 (\"hw/riscv/virt: virt-acpi-build.c: Add RHCT Table\")\nSigned-off-by: Yicong Yang \nReviewed-by: Andrew Jones \nMessage-ID: <20260325081314.57089-1-yang.yicong@picoheart.com>\nSigned-off-by: Alistair Francis \n---\n hw/riscv/virt-acpi-build.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)","diff":"diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c\nindex f1406cb683..fd6ca5dbc4 100644\n--- a/hw/riscv/virt-acpi-build.c\n+++ b/hw/riscv/virt-acpi-build.c\n@@ -35,9 +35,11 @@\n #include \"hw/riscv/virt.h\"\n #include \"hw/riscv/numa.h\"\n #include \"hw/virtio/virtio-acpi.h\"\n+#include \"kvm/kvm_riscv.h\"\n #include \"migration/vmstate.h\"\n #include \"qapi/error.h\"\n #include \"qemu/error-report.h\"\n+#include \"system/kvm.h\"\n #include \"system/reset.h\"\n \n #define ACPI_BUILD_TABLE_SIZE 0x20000\n@@ -296,7 +298,10 @@ static void build_rhct(GArray *table_data,\n \n /* Time Base Frequency */\n build_append_int_noprefix(table_data,\n- RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, 8);\n+ kvm_enabled() ?\n+ kvm_riscv_get_timebase_frequency(&s->soc->harts[0]) :\n+ RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ,\n+ 8);\n \n /* ISA + N hart info */\n num_rhct_nodes = 1 + ms->smp.cpus;\n","prefixes":["PULL","22/51"]}