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Merge tag 'kvmarm-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

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KVM/arm updates for 5.2

- guest SVE support
- guest Pointer Authentication support
- Better discrimination of perf counters between host and guests

Conflicts:
	include/uapi/linux/kvm.h
This commit is contained in:
Paolo Bonzini
2019-05-15 23:41:43 +02:00
parent 59c5c58c5b 9eecfc22e0
commit dd53f6102c
31 changed files with 1914 additions and 181 deletions
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2
arch/arm/include/asm/kvm_emulate.h
View File

@@ -343,4 +343,6 @@ static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu,
}
}
static inline void vcpu_ptrauth_setup_lazy(struct kvm_vcpu *vcpu) {}
#endif /* __ARM_KVM_EMULATE_H__ */

26
arch/arm/include/asm/kvm_host.h
View File

@@ -19,6 +19,7 @@
#ifndef __ARM_KVM_HOST_H__
#define __ARM_KVM_HOST_H__
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/kvm_types.h>
#include <asm/cputype.h>
@@ -53,6 +54,8 @@
DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use);
static inline int kvm_arm_init_sve(void) { return 0; }
u32 *kvm_vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num, u32 mode);
int __attribute_const__ kvm_target_cpu(void);
int kvm_reset_vcpu(struct kvm_vcpu *vcpu);
@@ -150,9 +153,13 @@ struct kvm_cpu_context {
u32 cp15[NR_CP15_REGS];
};
typedef struct kvm_cpu_context kvm_cpu_context_t;
struct kvm_host_data {
struct kvm_cpu_context host_ctxt;
};
static inline void kvm_init_host_cpu_context(kvm_cpu_context_t *cpu_ctxt,
typedef struct kvm_host_data kvm_host_data_t;
static inline void kvm_init_host_cpu_context(struct kvm_cpu_context *cpu_ctxt,
int cpu)
{
/* The host's MPIDR is immutable, so let's set it up at boot time */
@@ -182,7 +189,7 @@ struct kvm_vcpu_arch {
struct kvm_vcpu_fault_info fault;
/* Host FP context */
kvm_cpu_context_t *host_cpu_context;
struct kvm_cpu_context *host_cpu_context;
/* VGIC state */
struct vgic_cpu vgic_cpu;
@@ -361,6 +368,9 @@ static inline void kvm_arch_vcpu_load_fp(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_vcpu_ctxsync_fp(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu) {}
static inline void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu) {}
static inline void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu) {}
static inline void kvm_arm_vhe_guest_enter(void) {}
static inline void kvm_arm_vhe_guest_exit(void) {}
@@ -409,4 +419,14 @@ static inline int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
return 0;
}
static inline int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature)
{
return -EINVAL;
}
static inline bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu)
{
return true;
}
#endif /* __ARM_KVM_HOST_H__ */