On Mar 26, 2005, at 1:22 PM, Manuel Bouyer wrote:

>
> Module Name:    src
> Committed By:    bouyer
> Date:        Sat Mar 26 21:22:45 UTC 2005
>
> Modified Files:
>     src/sys/arch/xen/xen: ctrl_if.c if_xennet.c xbd.c xbdback.c
>         xennetback.c
>
> Log Message:
> Remplace __insn_barrier() with x86_lfence() where appropriate.
> While here, replace a panic() with a return of error code in  
> xbdback.c.

Why not make __insn_barrier() equivalent to x86_lfence() on all x86?

-- thorpej