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Commit 17b1e31f authored by Marc Zyngier's avatar Marc Zyngier Committed by Christoffer Dall
Browse files

ARM: KVM: add architecture specific hook for capabilities 



Most of the capabilities are common to both arm and arm64, but
we still need to handle the exceptions.

Introduce kvm_arch_dev_ioctl_check_extension, which both architectures
implement (in the 32bit case, it just returns 0).

Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarChristoffer Dall <cdall@cs.columbia.edu>
parent d157f4a5

arch/arm/include/asm/kvm_host.h

+5 −0
Original line number Diff line number Diff line
@@ -214,6 +214,11 @@ static inline void __cpu_init_hyp_mode(unsigned long long boot_pgd_ptr, 
	kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr);

}



static inline int kvm_arch_dev_ioctl_check_extension(long ext)

{

	return 0;

}



int kvm_perf_init(void);

int kvm_perf_teardown(void);

arch/arm/kvm/arm.c

+1 −1
Original line number Diff line number Diff line
@@ -206,7 +206,7 @@ int kvm_dev_ioctl_check_extension(long ext) 
		r = KVM_MAX_VCPUS;

		break;

	default:

		r = 0;

		r = kvm_arch_dev_ioctl_check_extension(ext);

		break;

	}

	return r;