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Commit 54e445ca authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

KVM: add missing kvmtrace bits 



This patch adds some kvmtrace bits to the generic x86 code
where it is instrumented from SVM.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent a0698055

arch/x86/kvm/x86.c

+20 −5
Original line number Diff line number Diff line
@@ -2020,6 +2020,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address) 


int emulate_clts(struct kvm_vcpu *vcpu)

{

	KVMTRACE_0D(CLTS, vcpu, handler);

	kvm_x86_ops->set_cr0(vcpu, vcpu->arch.cr0 & ~X86_CR0_TS);

	return X86EMUL_CONTINUE;

}
@@ -2600,27 +2601,41 @@ void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw, 


unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)

{

	unsigned long value;



	kvm_x86_ops->decache_cr4_guest_bits(vcpu);

	switch (cr) {

	case 0:

		return vcpu->arch.cr0;

		value = vcpu->arch.cr0;

		break;

	case 2:

		return vcpu->arch.cr2;

		value = vcpu->arch.cr2;

		break;

	case 3:

		return vcpu->arch.cr3;

		value = vcpu->arch.cr3;

		break;

	case 4:

		return vcpu->arch.cr4;

		value = vcpu->arch.cr4;

		break;

	case 8:

		return kvm_get_cr8(vcpu);

		value = kvm_get_cr8(vcpu);

		break;

	default:

		vcpu_printf(vcpu, "%s: unexpected cr %u\n", __func__, cr);

		return 0;

	}

	KVMTRACE_3D(CR_READ, vcpu, (u32)cr, (u32)value,

		    (u32)((u64)value >> 32), handler);



	return value;

}



void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val,

		     unsigned long *rflags)

{

	KVMTRACE_3D(CR_WRITE, vcpu, (u32)cr, (u32)val,

		    (u32)((u64)val >> 32), handler);



	switch (cr) {

	case 0:

		kvm_set_cr0(vcpu, mk_cr_64(vcpu->arch.cr0, val));