| |
|
 |
|
 |
|
|
|
| |
|
|
xen-devel
Re: [Xen-devel] xen build error on gcc v4.5.0
On 18/08/2010 20:44, "M A Young" <m.a.young@xxxxxxxxxxxx> wrote:
> On Wed, 18 Aug 2010, Jeremy Fitzhardinge wrote:
>> Looks like a gcc bug. Older gccs can compute __RING_SIZE() as a
>> compile-time constant, but gcc 4.5.0 apparently isn't doing that. It
>> is, admittedly, a very complex expression, but gcc shouldn't regress
>> like this. I'm not sure how to work around it.
>
> One option is to use __CONST_RING_SIZE instead of __RING_SIZE if that is
> available. I had a similar problem compiling xen with gcc 4.5 where this
> worked.
Yes that is exactly why Jan Beulich introduced __CONST_RING_SIZE, in
xen-unstable:20975. Should be a simple patch to pv_ops netfront/back drivers
to make use of it.
-- Keir
> Michael Young
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
|
|
|
| |
|
Home