Willy Tarreau <w...@1wt.eu> wrote on 2011/06/14 21:31:06: > > Hi Joakim, > > On Tue, Jun 14, 2011 at 03:54:45PM +0200, 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 I know 2.4 is in strict maintenance mode and 8xx is obsolete 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. > > OK, I'm not opposed to merge these patches and I really welcome your > work and want to thank you for having done it. However, I have > absolutely *zero* skills on ppc, so I want to ensure that someone > (possibly you) will be able to back me up in case of reported > regressions once these patches are merged. Since you say that the > code works on your board, I'm not much worried but at least Dan's > comment about the risk of performance regression has to be considered. > If we all agree that it's a tradeoff between performance and stability > or security, then that's a different matter of course !
Yes, I will still be here :) If there are any regressions I will help out. If we can't fix it, we can easily back these changes out. I guess I and Dan will come to some agreement soon and I will post additional, if needed, patches on top of what I already sent once Dan is happy. Jocke _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
