Re: [kvm-ia64-devel] [kvm-devel] [PATCH] Build fix for kvm/ia64 userspace.

[Zhang, X. <xia...@in...>]

> One way would be to define a new kvm_ia64_fpreg and use that.  Seems
> that the standard ia64_fpreg is unusable in userspace due to the issue
> you mentioned.
Better way. Attached the patch. 

From: Xiantao Zhang <xia...@in...>
Date: Wed, 7 May 2008 17:37:32 +0800
Subject: [PATCH] KVM: kvm/ia64 : Using self-defined kvm_fpreg strucutre
to replace
kernel's ia64_fpreg for avoiding conflicts with userspace headers.

Signed-off-by: Xiantao Zhang <xia...@in...>
---
 include/asm-ia64/kvm.h |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/asm-ia64/kvm.h b/include/asm-ia64/kvm.h
index eb2d355..a1da4c4 100644
--- a/include/asm-ia64/kvm.h
+++ b/include/asm-ia64/kvm.h
@@ -22,7 +22,6 @@
  */
 
 #include <asm/types.h>
-#include <asm/fpu.h>
 
 #include <linux/ioctl.h>
 
@@ -61,6 +60,13 @@ struct kvm_ioapic_state {
 
 #define KVM_CONTEXT_SIZE	8*1024
 
+struct kvm_fpreg {
+	union {
+		unsigned long bits[2];
+		long double __dummy;	/* force 16-byte alignment */
+	} u;
+};
+
 union context {
 	/* 8K size */
 	char	dummy[KVM_CONTEXT_SIZE];
@@ -77,7 +83,7 @@ union context {
 		unsigned long       ibr[8];
 		unsigned long       dbr[8];
 		unsigned long       pkr[8];
-		struct ia64_fpreg   fr[128];
+		struct kvm_fpreg   fr[128];
 	};
 };
 
-- 
1.5.2