kvm: Detect availability of kvm_para.h
Will be required for upcoming KVM cpuid leaf. Host kernels >= 2.6.32 as
well as future kvm-kmod releases (more recent than kvm-kmod-2.6.32.3)
do/will provide them.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/configure b/configure
index 623c30e..1ddb3a1 100755
--- a/configure
+++ b/configure
@@ -216,6 +216,7 @@
docs=""
fdt=""
kvm=""
+kvm_para=""
nptl=""
sdl=""
sparse="no"
@@ -1388,6 +1389,13 @@
fi
if compile_prog "$kvm_cflags" "" ; then
kvm=yes
+ cat > $TMPC <<EOF
+#include <linux/kvm_para.h>
+int main(void) { return 0; }
+EOF
+ if compile_prog "$kvm_cflags" "" ; then
+ kvm_para=yes
+ fi
else
if test "$kvm" = "yes" ; then
if [ -x "`which awk 2>/dev/null`" ] && \
@@ -2384,6 +2392,9 @@
\( "$target_arch2" = "i386" -a "$cpu" = "x86_64" \) \) ; then
echo "CONFIG_KVM=y" >> $config_target_mak
echo "KVM_CFLAGS=$kvm_cflags" >> $config_target_mak
+ if test "$kvm_para" = "yes"; then
+ echo "CONFIG_KVM_PARA=y" >> $config_target_mak
+ fi
fi
esac
echo "TARGET_PHYS_ADDR_BITS=$target_phys_bits" >> $config_target_mak
