In article <5713B242-4EFD-4EFA-BA2C-7964B78A4431@shagadelic.org>,
Jason Thorpe  <thorpej@shagadelic.org> wrote:
>
>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?

That is a better solution... Eventually we are going to have xen/x86_64
too...

christos