On Wed, 16 May 2018, Toshi Kani wrote: > This series fixes two issues in the x86 ioremap free page handlings > for pud/pmd mappings. > > Patch 01 fixes BUG_ON on x86-PAE reported by Joerg. It disables > the free page handling on x86-PAE. > > Patch 02-03 fixes a possible issue with speculation which can cause > stale page-directory cache. > - Patch 02 is from Chintan's v9 01/04 patch [1], which adds a new arg > 'addr', with my merge change to patch 01. > - Patch 03 adds a TLB purge (INVLPG) to purge page-structure caches > that may be cached by speculation. See the patch descriptions for > more detal. Toshi, Joerg, Michal! I'm failing to find a conclusion of this discussion. Can we finally make some progress with that? Can someone give me a hint what to pick up urgently please? Thanks, tglx
