On Thu, 2006-03-09 at 15:13 -0800, Roland Dreier wrote:
> This is kind of theoritical, but it seems to me that it would be safer
> to write this as
>
> int ipath_unordered_wc(void)
> {
> return boot_cpu_data.x86_vendor != X86_VENDOR_AMD;
> }
>
> after all, Via is probably going to have an x86-64 CPU one of these
> days, and I doubt you've checked that their WC flush is ordered.
It's purely a performance optimisation. Since we tune very closely to
each CPU, there's no point right now in sort-of-tuning for a CPU that
doesn't yet exist :-)
<b
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