qemu-kvm: Detect availability of kvm_para.h
PATCH 2/2 qemu-kvm: Detect availability of kvm_para.h
Will be required for upstream's KVM cpuid, so qemu-kvm will probably morph towards conditional paravirt support as well, depending on CONFIG_KVM_PARA. Make it available already.
Signed-off-by Jan Kiszka <[email protected]>
---
configure | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)
configure +11 -0
@@ -226,6 +226,7 @@ curses="" docs="" fdt="" kvm="" +kvm_para="" nptl="" sdl="" sparse="no"
@@ -1445,6 +1446,13 @@ EOF kvm_cflags="$kvm_cflags -idirafter $source_path/compat" if compile_prog "$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 "$kvm" = "yes" ; then if [ -x "`which awk 2>/dev/null`" ] && \
@@ -2559,6 +2567,9 @@ case "$target_arch2" in \( "$target_arch2" = "i386" -a "$cpu" = "x86_64" \) \) ; 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 if test $kvm_cap_pit = "yes" ; then echo "CONFIG_KVM_PIT=y" >> $config_target_mak fi