Re: xen-backend

[Jean-Yves Migeon <jean-yves.migeon%espci.fr@localhost>]

Christoph Egger wrote:
> I identified the debug printf's that make it work. See attached diff.
> Commenting out one of them or both results in *xenbus_create not being 
> called and produces a "Hotplug scripts not working" error.
>
> A comparison of the assembler snippet in xenbus_probe_init:
>
> [assembly]
>
> Anyone seeing the impact ?
Well, I do not see anything suspicious in this assembly? I am perhaps 
missing something?

Question though: does it fix the bug (*xenbus_create not being called) 
only by using these printf's, or replacing them with some 
DELAY(whatever), __insn_barrier() or x86_lfence() has any effect?

Cheers,

--
Jean-Yves Migeon
jean-yves.migeon%espci.fr@localhost