On Mon, 18 Oct 2010 12:33:31 +0100 Mel Gorman <m...@csn.ul.ie> wrote:
> A bit but I still don't know why it would cause corruption. Maybe this is > still > a caching issue but the difference in timing between list_add and > list_add_tail > is enough to hide the bug. It's also possible there are some registers > ioremapped after the memmap array and reading them is causing some > problem. > > Andrew, what is the right thing to do here? We could flail around looking > for explanations as to why the bug causes a user buffer corruption but never > get an answer or do we go with this patch, preferably before 2.6.36 releases? Well, you've spotted a bug so I'd say we fix it asap. It's a bit of a shame that we lose the only known way of reproducing a different bug, but presumably that will come back and bite someone else one day, and we'll fix it then :( _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
