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mm: disable CONFIG_PER_VMA_LOCK until its fixed
authorSuren Baghdasaryan <surenb@google.com>
Thu, 6 Jul 2023 01:14:00 +0000 (18:14 -0700)
committerAndrew Morton <akpm@linux-foundation.org>
Sat, 8 Jul 2023 16:29:29 +0000 (09:29 -0700)
commitf96c48670319d685d18d50819ed0c1ef751ed2ac
treef27d3f2caf67b498785f1ad0855071076dea6233
parent2b4f3b4987b56365b981f44a7e843efa5b6619b9
mm: disable CONFIG_PER_VMA_LOCK until its fixed

A memory corruption was reported in [1] with bisection pointing to the
patch [2] enabling per-VMA locks for x86.  Disable per-VMA locks config to
prevent this issue until the fix is confirmed.  This is expected to be a
temporary measure.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=217624
[2] https://lore.kernel.org/all/20230227173632.3292573-30-surenb@google.com

Link: https://lkml.kernel.org/r/20230706011400.2949242-3-surenb@google.com
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Closes: https://lore.kernel.org/all/dbdef34c-3a07-5951-e1ae-e9c6e3cdf51b@kernel.org/
Reported-by: Jacob Young <jacobly.alt@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217624
Fixes: 0bff0aaea03e ("x86/mm: try VMA lock-based page fault handling first")
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Holger Hoffstätte <holger@applied-asynchrony.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/Kconfig