linux-kernel - [ 27/30] s390/kvm: Fix store status for ACRS/FPRS fix

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Date:	Fri,  1 Mar 2013 11:45:48 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>
Subject: [ 27/30] s390/kvm: Fix store status for ACRS/FPRS fix

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

In 3.0.67, commit 58c9ce6fad8e00d9726447f939fe7e78e2aec891 (s390/kvm:
Fix store status for ACRS/FPRS), upstream commit
15bc8d8457875f495c59d933b05770ba88d1eacb, added a call to
save_access_regs to save ACRS. But we do not have ARCS in kvm_run in
3.0 yet, so this results in:
arch/s390/kvm/kvm-s390.c: In function 'kvm_s390_vcpu_store_status':
arch/s390/kvm/kvm-s390.c:593: error: 'struct kvm_run' has no member named 's'

Fix it by saving guest_acrs which is where ARCS are in 3.0.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/s390/kvm/kvm-s390.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -590,7 +590,7 @@ int kvm_s390_vcpu_store_status(struct kv
 	 * it into the save area
 	 */
 	save_fp_regs(&vcpu->arch.guest_fpregs);
-	save_access_regs(vcpu->run->s.regs.acrs);
+	save_access_regs(vcpu->arch.guest_acrs);

 	if (__guestcopy(vcpu, addr + offsetof(struct save_area, fp_regs),
 			vcpu->arch.guest_fpregs.fprs, 128, prefix))

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