[patch] do not allocate code_gen buffer on ia64

[Jes Sorensen <jes@xxxxxxx>]

Avi Kivity wrote:
> Jes Sorensen wrote:
> > Hi,
> >
> > This one limits the code_gen_buffer_size on ia64, phys_mem_size/4
> > really gets out of hand when you boot say a 64GB guest.
>
> ia64 doesn't codegen; why not set it to zero?

How about this one then?

Jes

Do not allocate a code_gen buffer on ia64 given it doesn't support
code generation.

Signed-off-by: Jes Sorensen <jes@xxxxxxx>

---
 qemu/exec.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: kvm-userspace.git/qemu/exec.c
===================================================================
--- kvm-userspace.git.orig/qemu/exec.c
+++ kvm-userspace.git/qemu/exec.c
@@ -407,6 +407,10 @@
 
 static void code_gen_alloc(unsigned long tb_size)
 {
+#ifdef TARGET_IA64
+	return;
+#endif
+
 #ifdef USE_STATIC_CODE_GEN_BUFFER
     code_gen_buffer = static_code_gen_buffer;
     code_gen_buffer_size = DEFAULT_CODE_GEN_BUFFER_SIZE;