From: Steffen Eiden <seiden@linux•ibm.com>
To: kvm@vger•kernel.org, kvmarm@lists•linux.dev,
linux-arm-kernel@lists•infradead.org,
linux-kernel@vger•kernel.org, linux-s390@vger•kernel.org
Cc: Alexander Gordeev <agordeev@linux•ibm.com>,
Andreas Grapentin <gra@linux•ibm.com>,
Arnd Bergmann <arnd@arndb•de>,
Catalin Marinas <catalin.marinas@arm•com>,
Christian Borntraeger <borntraeger@linux•ibm.com>,
Claudio Imbrenda <imbrenda@linux•ibm.com>,
David Hildenbrand <david@kernel•org>,
Friedrich Welter <fritz@linux•ibm.com>,
Gautam Gala <ggala@linux•ibm.com>,
Hariharan Mari <hari55@linux•ibm.com>,
Heiko Carstens <hca@linux•ibm.com>,
Hendrik Brueckner <brueckner@linux•ibm.com>,
Ilya Leoshkevich <iii@linux•ibm.com>,
Janosch Frank <frankja@linux•ibm.com>,
Joey Gouly <joey.gouly@arm•com>, Marc Zyngier <maz@kernel•org>,
Nico Boehr <nrb@linux•ibm.com>,
Nina Schoetterl-Glausch <oss@nina•schoetterlglausch.eu>,
Oliver Upton <oupton@kernel•org>,
Paolo Bonzini <pbonzini@redhat•com>,
Suzuki K Poulose <suzuki.poulose@arm•com>,
Sven Schnelle <svens@linux•ibm.com>,
Ulrich Weigand <Ulrich.Weigand@de•ibm.com>,
Vasily Gorbik <gor@linux•ibm.com>, Will Deacon <will@kernel•org>,
Zenghui Yu <yuzenghui@huawei•com>
Subject: [PATCH v3 25/27] KVM: s390: arm64: Implement vCPU IOCTLs
Date: Fri, 29 May 2026 17:50:39 +0200 [thread overview]
Message-ID: <20260529155050.2902245-26-seiden@linux.ibm.com> (raw)
In-Reply-To: <20260529155050.2902245-1-seiden@linux.ibm.com>
Implement all vCPU IOCTLs.
Co-developed-by: Andreas Grapentin <gra@linux•ibm.com>
Signed-off-by: Andreas Grapentin <gra@linux•ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux•ibm.com>
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux•ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux•ibm.com>
---
arch/s390/kvm/arm64/arm.c | 360 ++++++++++++++++++++++++++++++++++++
arch/s390/kvm/arm64/guest.c | 71 ++++++-
arch/s390/kvm/arm64/guest.h | 5 +
arch/s390/kvm/arm64/reset.c | 57 ++++++
arch/s390/kvm/arm64/reset.h | 11 ++
5 files changed, 502 insertions(+), 2 deletions(-)
create mode 100644 arch/s390/kvm/arm64/reset.c
create mode 100644 arch/s390/kvm/arm64/reset.h
diff --git a/arch/s390/kvm/arm64/arm.c b/arch/s390/kvm/arm64/arm.c
index 79ce6570fa03..18eca2261e0d 100644
--- a/arch/s390/kvm/arm64/arm.c
+++ b/arch/s390/kvm/arm64/arm.c
@@ -7,10 +7,18 @@
#include <linux/kvm.h>
#include <linux/kvm_types.h>
#include <linux/kvm_host.h>
+#include <linux/fpu.h>
+
+#include <asm/access-regs.h>
+#include <asm/kvm_emulate.h>
+
+#include <kvm/arm64/handle_exit.h>
+#include <kvm/arm64/kvm_emulate.h>
#include <gmap.h>
#include "arm.h"
+#include "guest.h"
#include "reset.h"
int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
@@ -172,6 +180,22 @@ void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu)
{
}
+void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
+{
+ save_access_regs(&vcpu->arch.host_acrs[0]);
+ vcpu->cpu = cpu;
+
+ lasrm(&vcpu->arch.save_area);
+}
+
+void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
+{
+ stiasrm(&vcpu->arch.save_area);
+
+ vcpu->cpu = -1;
+ restore_access_regs(&vcpu->arch.host_acrs[0]);
+}
+
int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
struct kvm_mp_state *mp_state)
{
@@ -195,12 +219,348 @@ unsigned long system_supported_vcpu_features(void)
return KVM_VCPU_VALID_FEATURES;
}
+bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
+{
+ return vcpu_mode_priv(vcpu);
+}
+
+int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
+{
+ struct kvm *kvm = vcpu->kvm;
+
+ if (!kvm_vcpu_initialized(vcpu))
+ return -ENOEXEC;
+
+ if (!kvm_arm_vcpu_is_finalized(vcpu))
+ return -EPERM;
+
+ if (likely(READ_ONCE(vcpu->pid)))
+ return 0;
+
+
+ mutex_lock(&kvm->arch.config_lock);
+ set_bit(KVM_ARCH_FLAG_HAS_RAN_ONCE, &kvm->arch.flags);
+ mutex_unlock(&kvm->arch.config_lock);
+
+ return 0;
+}
+
+/**
+ * check_vcpu_requests - check and handle pending vCPU requests
+ * @vcpu: the VCPU pointer
+ *
+ * Return: 1 if we should enter the guest
+ * 0 if we should exit to userspace
+ * < 0 if we should exit to userspace, where the return value indicates
+ * an error
+ */
+static int check_vcpu_requests(struct kvm_vcpu *vcpu)
+{
+ if (kvm_request_pending(vcpu)) {
+ if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu))
+ kvm_reset_vcpu(vcpu);
+ /*
+ * Clear IRQ_PENDING requests that were made to guarantee
+ * that a VCPU sees new virtual interrupts.
+ */
+ kvm_check_request(KVM_REQ_IRQ_PENDING, vcpu);
+ }
+
+ return 1;
+}
+
+static int kvm_vcpu_initialize(struct kvm_vcpu *vcpu,
+ const struct kvm_vcpu_init *init)
+{
+ unsigned long features = init->features[0];
+ struct kvm *kvm = vcpu->kvm;
+ int ret = -EINVAL;
+
+ mutex_lock(&kvm->arch.config_lock);
+
+ if (test_bit(KVM_ARCH_FLAG_VCPU_FEATURES_CONFIGURED, &kvm->arch.flags) &&
+ kvm_vcpu_init_changed(vcpu, init))
+ goto out_unlock;
+
+ bitmap_copy(kvm->arch.vcpu_features, &features, KVM_VCPU_MAX_FEATURES);
+
+ kvm_reset_vcpu(vcpu);
+
+ set_bit(KVM_ARCH_FLAG_VCPU_FEATURES_CONFIGURED, &kvm->arch.flags);
+ vcpu_set_flag(vcpu, VCPU_INITIALIZED);
+
+ ret = 0;
+out_unlock:
+ mutex_unlock(&kvm->arch.config_lock);
+ return ret;
+}
+
+static int kvm_vcpu_set_target(struct kvm_vcpu *vcpu,
+ const struct kvm_vcpu_init *init)
+{
+ int ret;
+
+ if (init->target != KVM_ARM_TARGET_GENERIC_V8)
+ return -EINVAL;
+
+ ret = kvm_vcpu_init_check_features(vcpu, init);
+ if (ret)
+ return ret;
+
+ if (!kvm_vcpu_initialized(vcpu))
+ return kvm_vcpu_initialize(vcpu, init);
+
+ if (kvm_vcpu_init_changed(vcpu, init))
+ return -EINVAL;
+
+ kvm_reset_vcpu(vcpu);
+
+ return 0;
+}
+
+static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu,
+ struct kvm_vcpu_init *init)
+{
+ struct kvm_sae_save_area *save_area = &vcpu->arch.save_area;
+ struct kvm_sae_block *sae_block = &vcpu->arch.sae_block;
+ int ret;
+
+ sae_block->save_area = virt_to_phys(save_area);
+ save_area->sdo = virt_to_phys(sae_block);
+
+ ret = kvm_vcpu_set_target(vcpu, init);
+ if (ret)
+ return ret;
+
+ spin_lock(&vcpu->arch.mp_state_lock);
+ WRITE_ONCE(vcpu->arch.mp_state.mp_state, KVM_MP_STATE_RUNNABLE);
+ spin_unlock(&vcpu->arch.mp_state_lock);
+
+ return 0;
+}
+
int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
bool line_status)
{
return 0;
}
+static void adjust_pc(struct kvm_vcpu *vcpu)
+{
+ if (vcpu_get_flag(vcpu, INCREMENT_PC)) {
+ kvm_skip_instr(vcpu);
+ vcpu_clear_flag(vcpu, INCREMENT_PC);
+ }
+}
+
+static void arm_vcpu_run(struct kvm_vcpu *vcpu)
+{
+ struct kvm_sae_block *sae_block = &vcpu->arch.sae_block;
+
+ adjust_pc(vcpu);
+
+ local_irq_disable();
+ guest_enter_irqoff();
+ local_irq_enable();
+
+ sae_block->icptr = 0;
+
+ sae64a(sae_block);
+
+ local_irq_disable();
+ guest_exit_irqoff();
+ local_irq_enable();
+}
+
+/** kvm_arch_vcpu_ioctl_run() - run arm64 vCPU
+ *
+ * Execute arm64 guest instructions using SAE.
+ *
+ * Returns:
+ * 1 enter the guest (should not be observed by userspace)
+ * 0 exit to userspace
+ * < 0 exit to userspace, where the return value indicates n error
+ *
+ *
+ */
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
+{
+ DECLARE_KERNEL_FPU_ONSTACK32(fpu_save);
+ struct kvm_run *kvm_run = vcpu->run;
+ u8 icptr;
+ int ret;
+
+ if (kvm_run->exit_reason == KVM_EXIT_MMIO) {
+ ret = kvm_handle_mmio_return(vcpu);
+ if (ret <= 0)
+ return ret;
+ }
+
+ vcpu_load(vcpu);
+
+ kernel_fpu_begin(&fpu_save, KERNEL_FPC | KERNEL_VXR);
+ load_vx_regs((vcpu->arch.ctxt.vregs));
+
+ if (!vcpu->wants_to_run) {
+ ret = -EINTR;
+ goto out;
+ }
+
+ kvm_sigset_activate(vcpu);
+
+ might_fault();
+
+ ret = 1;
+ do {
+ if (signal_pending(current)) {
+ kvm_run->exit_reason = KVM_EXIT_INTR;
+ ret = -EINTR;
+ continue;
+ }
+
+ if (need_resched())
+ schedule();
+
+ if (ret > 0)
+ ret = check_vcpu_requests(vcpu);
+
+ vcpu->arch.sae_block.icptr = 0;
+
+ arm_vcpu_run(vcpu);
+
+ icptr = vcpu->arch.sae_block.icptr;
+ switch (icptr) {
+ case SAE_ICPTR_SPURIOUS:
+ break;
+ case SAE_ICPTR_VALIDITY:
+ WARN_ONCE(true, "SAE: validity intercept. vir: 0x%04x",
+ vcpu->arch.sae_block.vir);
+ ret = -EINVAL;
+ break;
+ case SAE_ICPTR_SYNCHRONOUS_EXCEPTION:
+ ret = handle_trap_exceptions(vcpu);
+ break;
+ default:
+ WARN_ONCE(true, "SAE: unknown interception reason 0x%02x", icptr);
+ ret = -EINVAL;
+ }
+ } while (ret > 0);
+
+ kvm_sigset_deactivate(vcpu);
+out:
+ if (unlikely(vcpu_get_flag(vcpu, INCREMENT_PC)))
+ adjust_pc(vcpu);
+
+ save_vx_regs(vcpu->arch.ctxt.vregs);
+ kernel_fpu_end(&fpu_save, KERNEL_FPC | KERNEL_VXR);
+ vcpu_put(vcpu);
+
+ return ret;
+}
+
+long kvm_arch_vcpu_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg)
+{
+ struct kvm_vcpu *vcpu = filp->private_data;
+ void __user *argp = (void __user *)arg;
+ struct kvm_device_attr attr;
+ int ret;
+
+ switch (ioctl) {
+ case KVM_ARM_VCPU_INIT: {
+ struct kvm_vcpu_init init;
+
+ ret = -EFAULT;
+ if (copy_from_user(&init, argp, sizeof(init)))
+ break;
+
+ ret = kvm_arch_vcpu_ioctl_vcpu_init(vcpu, &init);
+ break;
+ }
+ case KVM_SET_ONE_REG:
+ case KVM_GET_ONE_REG: {
+ struct kvm_one_reg reg;
+
+ ret = -ENOEXEC;
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
+ break;
+
+ ret = -EFAULT;
+ if (copy_from_user(®, argp, sizeof(reg)))
+ break;
+
+ if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu))
+ kvm_reset_vcpu(vcpu);
+
+ if (ioctl == KVM_SET_ONE_REG)
+ ret = kvm_arm_set_reg(vcpu, ®);
+ else
+ ret = kvm_arm_get_reg(vcpu, ®);
+ break;
+ }
+ case KVM_GET_REG_LIST: {
+ struct kvm_reg_list __user *user_list = argp;
+ struct kvm_reg_list reg_list;
+ unsigned int n;
+
+ ret = -ENOEXEC;
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
+ break;
+ ret = -EPERM;
+ if (!kvm_arm_vcpu_is_finalized(vcpu))
+ break;
+ ret = -EFAULT;
+ if (copy_from_user(®_list, user_list, sizeof(reg_list)))
+ break;
+ n = reg_list.n;
+ reg_list.n = kvm_arm_num_regs(vcpu);
+ if (copy_to_user(user_list, ®_list, sizeof(reg_list)))
+ break;
+ ret = -E2BIG;
+ if (n < reg_list.n)
+ break;
+ ret = kvm_arm_copy_reg_indices(vcpu, user_list->reg);
+ break;
+ }
+ case KVM_ARM_VCPU_FINALIZE: {
+ int what;
+
+ if (!kvm_vcpu_initialized(vcpu))
+ return -ENOEXEC;
+
+ if (get_user(what, (const int __user *)argp))
+ return -EFAULT;
+
+ ret = kvm_arm_vcpu_finalize(vcpu, what);
+ break;
+ }
+ case KVM_SET_DEVICE_ATTR: {
+ ret = -EFAULT;
+ if (copy_from_user(&attr, argp, sizeof(attr)))
+ break;
+ ret = kvm_arm_vcpu_set_attr(vcpu, &attr);
+ break;
+ }
+ case KVM_GET_DEVICE_ATTR: {
+ ret = -EFAULT;
+ if (copy_from_user(&attr, argp, sizeof(attr)))
+ break;
+ ret = kvm_arm_vcpu_get_attr(vcpu, &attr);
+ break;
+ }
+ case KVM_HAS_DEVICE_ATTR: {
+ ret = -EFAULT;
+ if (copy_from_user(&attr, argp, sizeof(attr)))
+ break;
+ ret = kvm_arm_vcpu_has_attr(vcpu, &attr);
+ break;
+ }
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
struct kvm_dirty_log *log)
{
diff --git a/arch/s390/kvm/arm64/guest.c b/arch/s390/kvm/arm64/guest.c
index 00886755accf..893d48037292 100644
--- a/arch/s390/kvm/arm64/guest.c
+++ b/arch/s390/kvm/arm64/guest.c
@@ -4,7 +4,7 @@
#include "guest.h"
-const struct _kvm_stats_desc kvm_vm_stats_desc[] = {
+const struct kvm_stats_desc kvm_vm_stats_desc[] = {
KVM_GENERIC_VM_STATS()
};
@@ -17,7 +17,7 @@ const struct kvm_stats_header kvm_vm_stats_header = {
sizeof(kvm_vm_stats_desc),
};
-const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = {
+const struct kvm_stats_desc kvm_vcpu_stats_desc[] = {
KVM_GENERIC_VCPU_STATS(),
/* ARM64 stats */
STATS_DESC_COUNTER(VCPU, hvc_exit_stat),
@@ -50,6 +50,73 @@ unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu)
return num_core_regs(vcpu);
}
+int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
+{
+ /* We currently use nothing arch-specific in upper 32 bits */
+ if ((reg->id & ~KVM_REG_SIZE_MASK) >> 32 != KVM_REG_ARM64 >> 32)
+ return -EINVAL;
+
+ switch (reg->id & KVM_REG_ARM_COPROC_MASK) {
+ case KVM_REG_ARM_CORE:
+ return get_core_reg(vcpu, reg);
+ default:
+ return -EINVAL;
+ }
+}
+
+int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
+{
+ /* We currently use nothing arch-specific in upper 32 bits */
+ if ((reg->id & ~KVM_REG_SIZE_MASK) >> 32 != KVM_REG_ARM64 >> 32)
+ return -EINVAL;
+
+ switch (reg->id & KVM_REG_ARM_COPROC_MASK) {
+ case KVM_REG_ARM_CORE:
+ return set_core_reg(vcpu, reg);
+ default:
+ return -EINVAL;
+ }
+}
+
+int kvm_arm_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr)
+{
+ int ret;
+
+ switch (attr->group) {
+ default:
+ ret = -ENXIO;
+ break;
+ }
+
+ return ret;
+}
+
+int kvm_arm_vcpu_get_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr)
+{
+ int ret;
+
+ switch (attr->group) {
+ default:
+ ret = -ENXIO;
+ break;
+ }
+
+ return ret;
+}
+
+int kvm_arm_vcpu_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr)
+{
+ int ret;
+
+ switch (attr->group) {
+ default:
+ ret = -ENXIO;
+ break;
+ }
+
+ return ret;
+}
+
int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
return -EINVAL;
diff --git a/arch/s390/kvm/arm64/guest.h b/arch/s390/kvm/arm64/guest.h
index db635d513c2c..847489fb81be 100644
--- a/arch/s390/kvm/arm64/guest.h
+++ b/arch/s390/kvm/arm64/guest.h
@@ -6,5 +6,10 @@
#include <kvm/arm64/guest.h>
unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu);
+int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
+int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
+int kvm_arm_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr);
+int kvm_arm_vcpu_get_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr);
+int kvm_arm_vcpu_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr);
#endif /* KVM_ARM_GUEST_H */
diff --git a/arch/s390/kvm/arm64/reset.c b/arch/s390/kvm/arm64/reset.c
new file mode 100644
index 000000000000..b38b36c72c72
--- /dev/null
+++ b/arch/s390/kvm/arm64/reset.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_emulate.h>
+#include <kvm/arm64/reset.h>
+
+#include "reset.h"
+
+bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu)
+{
+ return true;
+}
+
+void kvm_reset_vcpu(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_reset_state reset_state;
+ bool loaded;
+
+ spin_lock(&vcpu->arch.mp_state_lock);
+ reset_state = vcpu->arch.reset_state;
+ vcpu->arch.reset_state.reset = false;
+ spin_unlock(&vcpu->arch.mp_state_lock);
+
+ /*
+ * Disable preemption around the vcpu reset as we might otherwise race with
+ * preempt notifiers which call stiasrm/lasrm from put/load
+ */
+ preempt_disable();
+
+ /* The reset must run with an unloaded save area */
+ loaded = vcpu_is_loaded(vcpu);
+ if (loaded)
+ vcpu_put(vcpu);
+
+ kvm_reset_vcpu_core_regs(vcpu);
+
+ /* Reset special registers */
+ vcpu_reset_hcr(vcpu);
+
+ if (reset_state.reset) {
+ *vcpu_pc(vcpu) = reset_state.pc;
+ vcpu_clear_flag(vcpu, PENDING_EXCEPTION);
+ vcpu_clear_flag(vcpu, EXCEPT_MASK);
+ vcpu_clear_flag(vcpu, INCREMENT_PC);
+ vcpu_set_reg(vcpu, 0, reset_state.r0);
+ }
+
+ if (loaded)
+ vcpu_load(vcpu);
+
+ preempt_enable();
+}
+
+int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature)
+{
+ return 0;
+}
diff --git a/arch/s390/kvm/arm64/reset.h b/arch/s390/kvm/arm64/reset.h
new file mode 100644
index 000000000000..a5c5304e47bc
--- /dev/null
+++ b/arch/s390/kvm/arm64/reset.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef KVM_ARM_RESET_H
+#define KVM_ARM_RESET_H
+
+#include <linux/kvm_host.h>
+
+bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);
+void kvm_reset_vcpu(struct kvm_vcpu *vcpu);
+int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature);
+
+#endif /* KVM_ARM_RESET_H */
--
2.53.0
next prev parent reply other threads:[~2026-05-29 15:57 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-29 15:50 [PATCH v3 00/27] KVM: s390: Introduce arm64 KVM Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 01/27] VFIO: take reference to the KVM module Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 02/27] KVM, vfio: remove symbol_get(kvm_get_kvm_safe) from vfio Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 03/27] KVM, vfio: remove symbol_get(kvm_put_kvm) " Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 04/27] uapi: KVM: Provide arm64 UAPI for other host architectures Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 05/27] arm64: Extract sysreg definitions Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 06/27] arm64: Provide arm64 API for non-native architectures Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 07/27] KVM: arm64: Provide arm64 KVM " Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 08/27] arm64: Extract pstate definitions from ptrace Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 09/27] KVM: arm64: Share kvm_emulate definitions Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 10/27] KVM: arm64: Make some arm64 KVM code shareable Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 11/27] KVM: arm64: Access elements of vcpu_gp_regs individually Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 12/27] KVM: arm64: Share reset general register code Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 13/27] KVM: arm64: Extract & share ipa size shift calculation Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 14/27] KVM: s390: Move s390 kvm code into a subdirectory Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 15/27] KVM: S390: Refactor gmap Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 16/27] KVM: Make device name configurable Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 17/27] KVM: Remove KVM_MMIO as config option Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 18/27] KVM: s390: Prepare kvm-s390 for a second kvm module Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 19/27] s390: Introduce Start Arm Execution instruction Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 20/27] KVM: s390: arm64: Introduce host definitions Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 21/27] s390/hwcaps: Report SAE support as hwcap Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 22/27] KVM: s390: Add basic arm64 kvm module Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 23/27] KVM: s390: arm64: Implement required functions Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 24/27] KVM: s390: arm64: Implement vm/vcpu create destroy Steffen Eiden
2026-05-29 15:50 ` Steffen Eiden [this message]
2026-05-29 15:50 ` [PATCH v3 26/27] KVM: s390: arm64: Implement basic page fault handler Steffen Eiden
2026-05-29 15:50 ` [PATCH v3 27/27] KVM: s390: arm64: Enable KVM_ARM64 config and Kbuild Steffen Eiden
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