8xx v2.6 TLB problems and suggested workaround
dan at embeddededge.com
Sun Apr 24 08:23:36 EST 2005
On Apr 23, 2005, at 6:07 PM, Joakim Tjernlund wrote:
> Do you refer to the assembler code above or some other assembler code
> as my dcbX workaround? I once had a C version of that workaround that
> in fault.c. Sadly it think it is gone now, not sure if I ever sent it
> to the list.
Yes, the dcbx and anything else we may have to place in there. At most,
we should emulate whatever is necessary in C code and just invalidate
the TLB entry for reloading, if the PTE has changed. We shouldn't be
trying to load TLB entries.
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