On Tue, Apr 02, 2024 at 12:29:09PM -0500, Steve Wahl wrote: > From: Ingo Molnar <mingo@xxxxxxxxxx> > > This reverts commit d794734c9bbfe22f86686dc2909c25f5ffe1a572. > > While the original change tries to fix a bug, it also unintentionally broke > existing systems, see the regressions reported at: > > https://lore.kernel.org/all/3a1b9909-45ac-4f97-ad68-d16ef1ce99db@xxxxxxxxxxxxxxx/ > > Since d794734c9bbf was also marked for -stable, let's back it out before > causing more damage. > > Note that due to another upstream change the revert was not 100% automatic: > > 0a845e0f6348 mm/treewide: replace pud_large() with pud_leaf() > > Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> > Cc: Russ Anderson <rja@xxxxxxx> > Cc: Steve Wahl <steve.wahl@xxxxxxx> > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Link: https://lore.kernel.org/all/3a1b9909-45ac-4f97-ad68-d16ef1ce99db@xxxxxxxxxxxxxxx/ > Fixes: d794734c9bbf ("x86/mm/ident_map: Use gbpages only where full GB page should be mapped.") > (cherry picked from commit c567f2948f57bdc03ed03403ae0234085f376b7d) > Signed-off-by: Steve Wahl <steve.wahl@xxxxxxx> > --- > > Thought I'd try and be of help. The pud_large() / pud_leaf() change > is what caused the difficulty in reversion. Thanks, Sasha already did this one, I'll go queue the other backports up now though. greg k-h
