linux-kernel - [PATCH 003/104] KVM: Future-proof the exit information union ABI

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Date:	Mon, 17 Sep 2007 10:30:45 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Avi Kivity <avi@...ranet.com>
Subject: [PATCH 003/104] KVM: Future-proof the exit information union ABI

Note that as the size of struct kvm_run is not part of the ABI, we can add
things at the end.

Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 include/linux/kvm.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index e6edca8..b9a4b7c 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -111,6 +111,8 @@ struct kvm_run {
 			__u32 longmode;
 			__u32 pad;
 		} hypercall;
+		/* Fix the size of the union. */
+		char padding[256];
 	};
 };
 
-- 
1.5.3

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