What's MMU context?
wung_y at 263.net
Thu Oct 28 14:42:47 EST 1999
Dan Malek wrote:
> I intened to use it on the 8xx processors, as they have an address
> space id that allows a TLB optimization so you don't have to
> invalidate the entire TLB on context switches. I assume the
is this context contained in TLB entry? if yes, do you mean the
belong to other processes other the current one should not be replaced
because it contains the integer ID named context?
the TLB Entry of PPC401D2 contains lower 8 bit of PID. so it doesn't
need to flush all entries out when processing task switch. taking this
into consider, if context of MMU is not useful any more?
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