[Qemu-devel] [RFC v6 06/14] configure: Use slow-path for atomic only when the softmmu is enabled

[Alvise Rigo]

Use the new slow path for atomic instruction translation when the
softmmu is enabled.

Suggested-by: Jani Kokkonen <address@hidden>
Suggested-by: Claudio Fontana <address@hidden>
Signed-off-by: Alvise Rigo <address@hidden>
---
 configure | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure b/configure
index b9552fd..cc3891a 100755
--- a/configure
+++ b/configure
@@ -4794,6 +4794,7 @@ echo "Install blobs     $blobs"
 echo "KVM support       $kvm"
 echo "RDMA support      $rdma"
 echo "TCG interpreter   $tcg_interpreter"
+echo "use ld/st excl    $softmmu"
 echo "fdt support       $fdt"
 echo "preadv support    $preadv"
 echo "fdatasync         $fdatasync"
@@ -5186,6 +5187,9 @@ fi
 if test "$tcg_interpreter" = "yes" ; then
   echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
 fi
+if test "$softmmu" = "yes" ; then
+  echo "CONFIG_TCG_USE_LDST_EXCL=y" >> $config_host_mak
+fi
 if test "$fdatasync" = "yes" ; then
   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
 fi
-- 
2.6.4