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KVM: arm64: Re-allow hyp tracing HVCs for [nh]VHE

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The introduction of __KVM_HOST_SMCCC_FUNC_MAX_NO_PKVM excluded hyp
tracing HVCs from the common [nh]VHE/pKVM list. Re-allow them.

Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Link: https://patch.msgid.link/20260414100231.1859687-1-vdonnefort@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Vincent Donnefort 2026-04-14 11:02:31 +01:00 committed by Marc Zyngier
parent 94b4ae79eb
commit ccab51d69b
2 changed files with 16 additions and 16 deletions
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16
arch/arm64/include/asm/kvm_asm.h
View File

@ -72,6 +72,14 @@ enum __kvm_host_smccc_func {
__KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_range,
__KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context,
__KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff,
__KVM_HOST_SMCCC_FUNC___tracing_load,
__KVM_HOST_SMCCC_FUNC___tracing_unload,
__KVM_HOST_SMCCC_FUNC___tracing_enable,
__KVM_HOST_SMCCC_FUNC___tracing_swap_reader,
__KVM_HOST_SMCCC_FUNC___tracing_update_clock,
__KVM_HOST_SMCCC_FUNC___tracing_reset,
__KVM_HOST_SMCCC_FUNC___tracing_enable_event,
__KVM_HOST_SMCCC_FUNC___tracing_write_event,
__KVM_HOST_SMCCC_FUNC___vgic_v3_save_aprs,
__KVM_HOST_SMCCC_FUNC___vgic_v3_restore_vmcr_aprs,
__KVM_HOST_SMCCC_FUNC___vgic_v5_save_apr,
@ -100,14 +108,6 @@ enum __kvm_host_smccc_func {
__KVM_HOST_SMCCC_FUNC___pkvm_vcpu_load,
__KVM_HOST_SMCCC_FUNC___pkvm_vcpu_put,
__KVM_HOST_SMCCC_FUNC___pkvm_tlb_flush_vmid,
__KVM_HOST_SMCCC_FUNC___tracing_load,
__KVM_HOST_SMCCC_FUNC___tracing_unload,
__KVM_HOST_SMCCC_FUNC___tracing_enable,
__KVM_HOST_SMCCC_FUNC___tracing_swap_reader,
__KVM_HOST_SMCCC_FUNC___tracing_update_clock,
__KVM_HOST_SMCCC_FUNC___tracing_reset,
__KVM_HOST_SMCCC_FUNC___tracing_enable_event,
__KVM_HOST_SMCCC_FUNC___tracing_write_event,
};
#define DECLARE_KVM_VHE_SYM(sym) extern char sym[]

16
arch/arm64/kvm/hyp/nvhe/hyp-main.c
View File

@ -709,6 +709,14 @@ static const hcall_t host_hcall[] = {
HANDLE_FUNC(__kvm_tlb_flush_vmid_range),
HANDLE_FUNC(__kvm_flush_cpu_context),
HANDLE_FUNC(__kvm_timer_set_cntvoff),
HANDLE_FUNC(__tracing_load),
HANDLE_FUNC(__tracing_unload),
HANDLE_FUNC(__tracing_enable),
HANDLE_FUNC(__tracing_swap_reader),
HANDLE_FUNC(__tracing_update_clock),
HANDLE_FUNC(__tracing_reset),
HANDLE_FUNC(__tracing_enable_event),
HANDLE_FUNC(__tracing_write_event),
HANDLE_FUNC(__vgic_v3_save_aprs),
HANDLE_FUNC(__vgic_v3_restore_vmcr_aprs),
HANDLE_FUNC(__vgic_v5_save_apr),
@ -735,14 +743,6 @@ static const hcall_t host_hcall[] = {
HANDLE_FUNC(__pkvm_vcpu_load),
HANDLE_FUNC(__pkvm_vcpu_put),
HANDLE_FUNC(__pkvm_tlb_flush_vmid),
HANDLE_FUNC(__tracing_load),
HANDLE_FUNC(__tracing_unload),
HANDLE_FUNC(__tracing_enable),
HANDLE_FUNC(__tracing_swap_reader),
HANDLE_FUNC(__tracing_update_clock),
HANDLE_FUNC(__tracing_reset),
HANDLE_FUNC(__tracing_enable_event),
HANDLE_FUNC(__tracing_write_event),
};
static void handle_host_hcall(struct kvm_cpu_context *host_ctxt)