linux-kernel - [GIT PULL] x86/mm for 6.9

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Date: Mon, 11 Mar 2024 10:30:34 -0700
From: Dave Hansen <dave.hansen@...ux.intel.com>
To: torvalds@...ux-foundation.org
Cc: x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Dave Hansen <dave.hansen@...ux.intel.com>
Subject: [GIT PULL] x86/mm for 6.9

Hi Linus,

Please pull some x86/mm changes for 6.9.  The three changes are quite
diverse.  No real common themes across them.

There is an extra merge in here from Ingo after 6.8-rc1.  I believe
there were some early 6.8 bugs that were complicating testing x86/mm
and the merge made thing easier.

--

The following changes since commit ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7:

  Merge tag 'net-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (2024-01-25 10:58:35 -0800)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_mm_for_6.9

for you to fetch changes up to 82ace185017fbbe48342bf7d8a9fd795f9c711cd:

  x86/mm/cpa: Warn for set_memory_XXcrypted() VMM fails (2024-02-22 14:25:41 -0800)

----------------------------------------------------------------
 * Add a warning when memory encryption conversions fail.  These
   operations require VMM cooperation, even in CoCo environments
   where the VMM is untrusted.  While it's _possible_ that memory
   pressure could trigger the new warning, the odds are that a
   guest would only see this from an attacking VMM.
 * Simplify page fault code by re-enabling interrupts unconditionally
 * Avoid truncation issues when pfns are passed in to
   pfn_to_kaddr() with small (<64-bit) types.

----------------------------------------------------------------
Ingo Molnar (1):
      Merge branch 'linus' into x86/mm, to refresh the branch and pick up fixes

Linus Torvalds (1):
      x86/mm: Get rid of conditional IF flag handling in page fault path

Michael Roth (1):
      x86/mm: Ensure input to pfn_to_kaddr() is treated as a 64-bit type

Rick Edgecombe (1):
      x86/mm/cpa: Warn for set_memory_XXcrypted() VMM fails

 arch/x86/include/asm/page.h  |  6 +++++-
 arch/x86/mm/fault.c          | 27 ++++++++++++++-------------
 arch/x86/mm/pat/set_memory.c | 19 +++++++++++++------
 3 files changed, 32 insertions(+), 20 deletions(-)