Thread (18 messages) flat view 18 messages, 2 authors, 2011-01-11

Re: [PATCH 00/13] powerpc: Backport 8xx TLB to 2.4

From: Willy Tarreau <w@1wt.eu>
Date: 2011-01-11 06:22:30

Hi Joakim,

On Mon, Jan 10, 2011 at 10:37:46PM +0100, Joakim Tjernlund wrote:
This is a backport from 2.6 which I did to overcome 8xx CPU
bugs. 8xx does not update the DAR register when taking a TLB
error caused by dcbX and icbi insns which makes it very
tricky to use these insns. Also the dcbst wrongly sets the
the store bit when faulting into DTLB error.
A few more bugs very found during development.

I know 2.4 is in strict maintenance mode and 8xx is obsolete
but as it is still in use I wanted 8xx to age with grace.
Thank you very much for taking care of this, that's very much appreciated.
I'll look at this ASAP. Just a quick question in order to be certain, did
you have the opportunity to test all of these changes on real hardware ?

Thanks,
Willy
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