David Miller wrote: [Sat Oct 04 2014, 04:00:06PM EDT] > From: David Miller <davem@xxxxxxxxxxxxx> > Date: Sat, 04 Oct 2014 15:12:37 -0400 (EDT) > > > From: Bob Picco <bpicco@xxxxxxxxxx> > > Date: Thu, 2 Oct 2014 10:24:35 -0400 > > > >> At this commit: > >> 59a35b1 sparc64: Use kernel page tables for vmemmap. > > > > I think I figured out what the bug is. > > > > It has to do with how KERN_PGTABLE_WALK masks in the sub-pagesize > > bits for huge pages. > > > > That assembler works fine for PAGE_OFFSET mappings where the > > sub-pagesize bits always have a direct correspondance to the > > physical bits. But for something like vmemmap that doesn't > > work. > > > > I'll verify this and work on a fix. > > Ok, this should do it, looking forward to see your test results: This incremental patch has been on T5-8 since Saturday evening. There have been NO issues related to our work for MM-IRQ. I will use your version 3 and sparc.git for T5-8, local T5-2 and M7-4. Some will occur today. The remainder early this week. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
