[RESEND PATCH v3 0/3] x86/mm: LAM fixups and cleanups

[Yosry Ahmed]

This series has fixups and cleanups for LAM. Most importantly, patch 1
fixes a sycnhronization issue that may cause crashes of userspace
applications. This is a resend of v3, rebased on top of v6.10-rc6.

v3: https://lore.kernel.org/lkml/20240418012835.3360429-1-yosryahmed@xxxxxxxxxx/
v2: https://lore.kernel.org/lkml/20240312155641.4003683-1-yosryahmed@xxxxxxxxxx/
v1: https://lore.kernel.org/lkml/20240312035951.3535980-1-yosryahmed@xxxxxxxxxx/
RFC: https://lore.kernel.org/lkml/20240307133916.3782068-1-yosryahmed@xxxxxxxxxx/

Yosry Ahmed (3):
  x86/mm: Use IPIs to synchronize LAM enablement
  x86/mm: Fix LAM inconsistency during context switch
  x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits error checking

 arch/x86/include/asm/mmu_context.h |  8 +++++++-
 arch/x86/include/asm/tlbflush.h    |  9 ++++-----
 arch/x86/kernel/process_64.c       | 25 ++++++++++++++++---------
 arch/x86/mm/tlb.c                  | 15 ++++++++-------
 4 files changed, 35 insertions(+), 22 deletions(-)

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2.45.2.803.g4e1b14247a-goog