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KVM: arm/arm64: Add hook for arch-specific KVM initialisation

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This patch adds a kvm_arm_init_arch_resources() hook to perform
subarch-specific initialisation when starting up KVM.

This will be used in a subsequent patch for global SVE-related
setup on arm64.

No functional change.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
Tested-by: zhang.lei <zhang.lei@jp.fujitsu.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Dave Martin
2019-02-28 18:33:00 +00:00
committed by Marc Zyngier
parent ead9e430c0
commit 0f062bfe36
3 changed files with 8 additions and 0 deletions
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2
arch/arm/include/asm/kvm_host.h
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@@ -53,6 +53,8 @@
DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use);
static inline int kvm_arm_init_arch_resources(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);