[PATCH 00/10] Fix 8xx MMU/TLB

Scott Wood scottwood at freescale.com
Thu Nov 19 08:58:26 EST 2009


Joakim Tjernlund wrote:
> Yeah, those are the ones that will trigger a dcbX TLB fault,
> copy_tofrom_user would be my guess. Perhaps I missed something
> in the conversions? That is, maybe some of these routines are plain wrong now for
> 8xx due to some other bug?
> A small test program in user space doing some dcbX insn could shed some light?

Sorry, it looks like the rlwimi instruction I gave you was bad.

It should be:
rlwimi  r11, r10, 12, 0xffc
instead of:
rlwimi  r11, r10, 22, 0xffc

-Scott


More information about the Linuxppc-dev mailing list