{"id":2219249,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2219249/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/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":"<20260402170434.94783-4-philmd@linaro.org>","date":"2026-04-02T17:04:28","name":"[PATCH-for-11.1,v2,3/9] accel/kvm: Remove TARGET_KVM_HAVE_GUEST_DEBUG","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"2a0b9d2a0ebb963f11560439e7375f2803ffd192","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/1.0/people/85046/?format=json","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402170434.94783-4-philmd@linaro.org/mbox/","series":[{"id":498514,"url":"http://patchwork.ozlabs.org/api/1.0/series/498514/?format=json","date":"2026-04-02T17:04:26","name":"target/arm: Compile accelerator-related objects as common code","version":2,"mbox":"http://patchwork.ozlabs.org/series/498514/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219249/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=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=oe1WZe+5;\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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","To":"qemu-devel@nongnu.org","Cc":"kvm@vger.kernel.org, qemu-arm@nongnu.org, Anton Johansson ,\n qemu-s390x@nongnu.org, Pierrick Bouvier ,\n qemu-riscv@nongnu.org, Peter Maydell ,\n Paolo Bonzini ,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ,\n Alistair Francis , Zhao Liu ,\n Song Gao , Bibo Mao ,\n Jiaxun Yang , Palmer Dabbelt ,\n Weiwei Li ,\n Daniel Henrique Barboza ,\n Liu Zhiwei ,\n Chao Liu , Cornelia Huck ,\n Eric Farman , Matthew Rosato ,\n Huacai Chen , Aurelien Jarno ,\n Aleksandar Rikalo ","Subject":"[PATCH-for-11.1 v2 3/9] accel/kvm: Remove TARGET_KVM_HAVE_GUEST_DEBUG","Date":"Thu, 2 Apr 2026 19:04:28 +0200","Message-ID":"<20260402170434.94783-4-philmd@linaro.org>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260402170434.94783-1-philmd@linaro.org>","References":"<20260402170434.94783-1-philmd@linaro.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::32c;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x32c.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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":"All targets except MIPS have TARGET_KVM_HAVE_GUEST_DEBUG=y.\nDeclare the kvm_update_guest_debug() stub to MIPS and have\nTARGET_KVM_HAVE_GUEST_DEBUG be the default.\n\nSigned-off-by: Philippe Mathieu-Daudé \nReviewed-by: Alistair Francis \n---\n configs/targets/aarch64-softmmu.mak | 1 -\n configs/targets/i386-softmmu.mak | 1 -\n configs/targets/loongarch64-softmmu.mak | 1 -\n configs/targets/ppc-softmmu.mak | 1 -\n configs/targets/ppc64-softmmu.mak | 1 -\n configs/targets/riscv64-softmmu.mak | 1 -\n configs/targets/s390x-softmmu.mak | 1 -\n configs/targets/x86_64-softmmu.mak | 1 -\n include/system/kvm.h | 7 -------\n include/system/kvm_int.h | 2 --\n accel/kvm/kvm-accel-ops.c | 4 ----\n accel/kvm/kvm-all.c | 13 ++-----------\n target/mips/kvm.c | 5 +++++\n 13 files changed, 7 insertions(+), 32 deletions(-)","diff":"diff --git a/configs/targets/aarch64-softmmu.mak b/configs/targets/aarch64-softmmu.mak\nindex d34aead41c4..6f60ca6505c 100644\n--- a/configs/targets/aarch64-softmmu.mak\n+++ b/configs/targets/aarch64-softmmu.mak\n@@ -1,6 +1,5 @@\n TARGET_ARCH=aarch64\n TARGET_BASE_ARCH=arm\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_XML_FILES= aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-vfp-sysregs.xml arm-neon.xml arm-m-profile.xml arm-m-profile-mve.xml aarch64-pauth.xml aarch64-sme2.xml\n # needed by boot.c\n TARGET_NEED_FDT=y\ndiff --git a/configs/targets/i386-softmmu.mak b/configs/targets/i386-softmmu.mak\nindex 38a8f85201f..2eef68dc55e 100644\n--- a/configs/targets/i386-softmmu.mak\n+++ b/configs/targets/i386-softmmu.mak\n@@ -1,5 +1,4 @@\n TARGET_ARCH=i386\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_KVM_HAVE_RESET_PARKED_VCPU=y\n TARGET_XML_FILES= i386-32bit.xml\n TARGET_LONG_BITS=32\ndiff --git a/configs/targets/loongarch64-softmmu.mak b/configs/targets/loongarch64-softmmu.mak\nindex 476407f9413..7e0b1ab5d05 100644\n--- a/configs/targets/loongarch64-softmmu.mak\n+++ b/configs/targets/loongarch64-softmmu.mak\n@@ -1,6 +1,5 @@\n TARGET_ARCH=loongarch64\n TARGET_BASE_ARCH=loongarch\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_XML_FILES= loongarch-base32.xml loongarch-base64.xml loongarch-fpu.xml loongarch-lsx.xml loongarch-lasx.xml\n # all boards require libfdt\n TARGET_NEED_FDT=y\ndiff --git a/configs/targets/ppc-softmmu.mak b/configs/targets/ppc-softmmu.mak\nindex 867898bd47c..c47887f8992 100644\n--- a/configs/targets/ppc-softmmu.mak\n+++ b/configs/targets/ppc-softmmu.mak\n@@ -1,5 +1,4 @@\n TARGET_ARCH=ppc\n TARGET_BIG_ENDIAN=y\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_XML_FILES= power-core.xml power-fpu.xml power-altivec.xml power-spe.xml\n TARGET_LONG_BITS=32\ndiff --git a/configs/targets/ppc64-softmmu.mak b/configs/targets/ppc64-softmmu.mak\nindex 10d7a2681e7..8c6dc84b821 100644\n--- a/configs/targets/ppc64-softmmu.mak\n+++ b/configs/targets/ppc64-softmmu.mak\n@@ -1,7 +1,6 @@\n TARGET_ARCH=ppc64\n TARGET_BASE_ARCH=ppc\n TARGET_BIG_ENDIAN=y\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_XML_FILES= power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml\n # all boards require libfdt\n TARGET_NEED_FDT=y\ndiff --git a/configs/targets/riscv64-softmmu.mak b/configs/targets/riscv64-softmmu.mak\nindex 5059c550480..e0d2c7032d6 100644\n--- a/configs/targets/riscv64-softmmu.mak\n+++ b/configs/targets/riscv64-softmmu.mak\n@@ -1,6 +1,5 @@\n TARGET_ARCH=riscv64\n TARGET_BASE_ARCH=riscv\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_XML_FILES= riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-virtual.xml riscv-32bit-cpu.xml riscv-32bit-virtual.xml\n # needed by boot.c\n TARGET_NEED_FDT=y\ndiff --git a/configs/targets/s390x-softmmu.mak b/configs/targets/s390x-softmmu.mak\nindex e273075f1a9..699e5ced96f 100644\n--- a/configs/targets/s390x-softmmu.mak\n+++ b/configs/targets/s390x-softmmu.mak\n@@ -1,6 +1,5 @@\n TARGET_ARCH=s390x\n TARGET_BIG_ENDIAN=y\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_XML_FILES= s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-virt-kvm.xml s390-gs.xml\n TARGET_LONG_BITS=64\n TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API=y\ndiff --git a/configs/targets/x86_64-softmmu.mak b/configs/targets/x86_64-softmmu.mak\nindex c7f8746b4f5..491173df466 100644\n--- a/configs/targets/x86_64-softmmu.mak\n+++ b/configs/targets/x86_64-softmmu.mak\n@@ -1,6 +1,5 @@\n TARGET_ARCH=x86_64\n TARGET_BASE_ARCH=i386\n-TARGET_KVM_HAVE_GUEST_DEBUG=y\n TARGET_KVM_HAVE_RESET_PARKED_VCPU=y\n TARGET_XML_FILES= i386-64bit.xml i386-64bit-apx.xml\n TARGET_LONG_BITS=64\ndiff --git a/include/system/kvm.h b/include/system/kvm.h\nindex b5763a562d7..9b722ad931a 100644\n--- a/include/system/kvm.h\n+++ b/include/system/kvm.h\n@@ -237,14 +237,7 @@ void kvm_irqchip_change_notify(void);\n * calling down to kvm_arch_update_guest_debug after the generic\n * fields have been set.\n */\n-#ifdef TARGET_KVM_HAVE_GUEST_DEBUG\n int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap);\n-#else\n-static inline int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)\n-{\n- return -EINVAL;\n-}\n-#endif\n \n /* internal API */\n \ndiff --git a/include/system/kvm_int.h b/include/system/kvm_int.h\nindex 0876aac938d..9d1d3fd3deb 100644\n--- a/include/system/kvm_int.h\n+++ b/include/system/kvm_int.h\n@@ -113,9 +113,7 @@ struct KVMState\n struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;\n bool coalesced_flush_in_progress;\n int vcpu_events;\n-#ifdef TARGET_KVM_HAVE_GUEST_DEBUG\n QTAILQ_HEAD(, kvm_sw_breakpoint) kvm_sw_breakpoints;\n-#endif\n int max_nested_state_len;\n int kvm_shadow_mem;\n bool kernel_irqchip_allowed;\ndiff --git a/accel/kvm/kvm-accel-ops.c b/accel/kvm/kvm-accel-ops.c\nindex 6d9140e549f..d4af6b416c3 100644\n--- a/accel/kvm/kvm-accel-ops.c\n+++ b/accel/kvm/kvm-accel-ops.c\n@@ -85,12 +85,10 @@ static bool kvm_cpus_are_resettable(void)\n return !kvm_enabled() || !kvm_state->guest_state_protected;\n }\n \n-#ifdef TARGET_KVM_HAVE_GUEST_DEBUG\n static int kvm_update_guest_debug_ops(CPUState *cpu)\n {\n return kvm_update_guest_debug(cpu, 0);\n }\n-#endif\n \n static void kvm_accel_ops_class_init(ObjectClass *oc, const void *data)\n {\n@@ -105,13 +103,11 @@ static void kvm_accel_ops_class_init(ObjectClass *oc, const void *data)\n ops->synchronize_pre_loadvm = kvm_cpu_synchronize_pre_loadvm;\n ops->handle_interrupt = generic_handle_interrupt;\n \n-#ifdef TARGET_KVM_HAVE_GUEST_DEBUG\n ops->update_guest_debug = kvm_update_guest_debug_ops;\n ops->supports_guest_debug = kvm_supports_guest_debug;\n ops->insert_breakpoint = kvm_insert_breakpoint;\n ops->remove_breakpoint = kvm_remove_breakpoint;\n ops->remove_all_breakpoints = kvm_remove_all_breakpoints;\n-#endif\n }\n \n static const TypeInfo kvm_accel_ops_type = {\ndiff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c\nindex 5df3fb90d88..91724b54cdf 100644\n--- a/accel/kvm/kvm-all.c\n+++ b/accel/kvm/kvm-all.c\n@@ -2920,9 +2920,7 @@ static int kvm_init(AccelState *as, MachineState *ms)\n s->sigmask_len = 8;\n accel_blocker_init();\n \n-#ifdef TARGET_KVM_HAVE_GUEST_DEBUG\n QTAILQ_INIT(&s->kvm_sw_breakpoints);\n-#endif\n QLIST_INIT(&s->kvm_parked_vcpus);\n s->fd = qemu_open_old(s->device ?: \"/dev/kvm\", O_RDWR);\n if (s->fd == -1) {\n@@ -3033,23 +3031,19 @@ static int kvm_init(AccelState *as, MachineState *ms)\n kvm_vm_attributes_allowed =\n (kvm_check_extension(s, KVM_CAP_VM_ATTRIBUTES) > 0);\n \n-#ifdef TARGET_KVM_HAVE_GUEST_DEBUG\n kvm_has_guest_debug =\n (kvm_check_extension(s, KVM_CAP_SET_GUEST_DEBUG) > 0);\n-#endif\n \n kvm_sstep_flags = 0;\n if (kvm_has_guest_debug) {\n- kvm_sstep_flags = SSTEP_ENABLE;\n-\n-#if defined TARGET_KVM_HAVE_GUEST_DEBUG\n int guest_debug_flags =\n kvm_check_extension(s, KVM_CAP_SET_GUEST_DEBUG2);\n \n+ kvm_sstep_flags = SSTEP_ENABLE;\n+\n if (guest_debug_flags & KVM_GUESTDBG_BLOCKIRQ) {\n kvm_sstep_flags |= SSTEP_NOIRQ;\n }\n-#endif\n }\n \n kvm_state = s;\n@@ -3782,7 +3776,6 @@ bool kvm_arm_supports_user_irq(void)\n return kvm_check_extension(kvm_state, KVM_CAP_ARM_USER_IRQ);\n }\n \n-#ifdef TARGET_KVM_HAVE_GUEST_DEBUG\n struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, vaddr pc)\n {\n struct kvm_sw_breakpoint *bp;\n@@ -3942,8 +3935,6 @@ void kvm_remove_all_breakpoints(CPUState *cpu)\n }\n }\n \n-#endif /* !TARGET_KVM_HAVE_GUEST_DEBUG */\n-\n static int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset)\n {\n KVMState *s = kvm_state;\ndiff --git a/target/mips/kvm.c b/target/mips/kvm.c\nindex a85e162409c..49bff68b137 100644\n--- a/target/mips/kvm.c\n+++ b/target/mips/kvm.c\n@@ -1262,6 +1262,11 @@ int kvm_arch_msi_data_to_gsi(uint32_t data)\n abort();\n }\n \n+int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)\n+{\n+ return -EINVAL;\n+}\n+\n int kvm_arch_get_default_type(MachineState *machine)\n {\n #if defined(KVM_CAP_MIPS_VZ)\n","prefixes":["PATCH-for-11.1","v2","3/9"]}