On Sun, 2018-06-24 at 15:19 +0200, Thomas Gleixner wrote: > 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! Hi Thomas, Thanks for checking. I was about to ping as well. > I'm failing to find a conclusion of this discussion. Can we finally make > some progress with that? I have not heard from Joerg since I last replied to his comments to Patch 3/3 -- I did my best to explain that there was no issue in the single page allocation in pud_free_pmd_page(). From my perspective, the v3 series is good to go. > Can someone give me a hint what to pick up urgently please? I've confirmed that the v3 series still applies clearly to 4.18-r2 linus.git. Patch 1/3, v3 https://patchwork.kernel.org/patch/10405071/ Patch 2/3, v3-UPDATE https://patchwork.kernel.org/patch/10407065/ nit: sorry, please fix my email address below. - [toshi@xxxxxxx: merge changes, rewrite patch description] + [toshi.kani@xxxxxxx: merge changes, rewrite patch description] Patch 3/3, v3 https://patchwork.kernel.org/patch/10405073/ Thanks, -Toshi
