+Andi Kleen <ak@xxxxxxxxxxxxxxx> On Fri, Aug 24, 2018 at 01:04:09PM -0700, Roland Dreier wrote: > > Ok, so what patch should be reverted? I'm seeing other reports of > > problems all around this same area, but I can't figure out exactly what > > to do. > > Are any of those reports public? If so can you point me at them, I'm > curious if the symptoms match up. > > I don't think we want to revert anything. I think you should pull in > edc3b9129cec and at least the first three patches that Ben listed: > > 21cdb6b56843 x86/mm: Page align the '_end' symbol to avoid pfn conversion bugs > b61a76f8850d x86/efi: Map RAM into the identity page table for mixed mode > 753b11ef8e92 x86/efi: Setup separate EFI page tables in kexec paths > > the first patch takes a bit of massaging (mostly because some of it is > already touched by 02ff2769edbc, which keeps the changes from > edc3b9129cec, and so we can drop a good bit when applying). The other > three apply cleanly. > > I'm currently testing that and can send you the state of my tree in a bit. > > - R.
