linux-kernel - [076/103] KVM: i8259: fix migration

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Date:	Fri, 22 Oct 2010 11:51:50 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org, greg@...ah.com
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	mtosatti@...hat.com, avi@...hat.com, Gleb Natapov <gleb@...hat.com>
Subject: [076/103] KVM: i8259: fix migration

2.6.35-stable review patch.  If anyone has any objections, please let us know.

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

From: Marcelo Tosatti <mtosatti@...hat.com>

commit eebb5f31b8d9a2620dcf32297096f8ce1240b179 upstream.

Top of kvm_kpic_state structure should have the same memory layout as
kvm_pic_state since it is copied by memcpy.

Signed-off-by: Gleb Natapov <gleb@...hat.com>
Signed-off-by: Avi Kivity <avi@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/x86/kvm/irq.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -45,7 +45,6 @@ struct kvm_kpic_state {
 	u8 irr;		/* interrupt request register */
 	u8 imr;		/* interrupt mask register */
 	u8 isr;		/* interrupt service register */
-	u8 isr_ack;	/* interrupt ack detection */
 	u8 priority_add;	/* highest irq priority */
 	u8 irq_base;
 	u8 read_reg_select;
@@ -58,6 +57,7 @@ struct kvm_kpic_state {
 	u8 init4;		/* true if 4 byte init */
 	u8 elcr;		/* PIIX edge/trigger selection */
 	u8 elcr_mask;
+	u8 isr_ack;	/* interrupt ack detection */
 	struct kvm_pic *pics_state;
 };
 


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