6.4.y: misc_additions: Remove no more needed patch mm: disable CONFIG_PER_VMA_LOCK by default until its fixed
Fixes https://github.com/Frogging-Family/linux-tkg/issues/792
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@@ -64,41 +64,6 @@ index 2c7171e0b0010..85de313ddec29 100644
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select CPU_FREQ_GOV_PERFORMANCE
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help
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From a6571d06002b30ca7f51af7681128179b122977c Mon Sep 17 00:00:00 2001
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From: Suren Baghdasaryan <surenb@google.com>
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Date: Mon, 3 Jul 2023 11:21:50 -0700
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Subject: [PATCH] mm: disable CONFIG_PER_VMA_LOCK by default until its fixed
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A memory corruption was reported in [1] with bisection pointing to the
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patch [2] enabling per-VMA locks for x86.
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Disable per-VMA locks config to prevent this issue while the problem is
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being investigated. This is expected to be a temporary measure.
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[1] https://bugzilla.kernel.org/show_bug.cgi?id=217624
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[2] https://lore.kernel.org/all/20230227173632.3292573-30-surenb@google.com
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Reported-by: Jiri Slaby <jirislaby@kernel.org>
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Reported-by: Jacob Young <jacobly.alt@gmail.com>
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Fixes: 0bff0aaea03e ("x86/mm: try VMA lock-based page fault handling first")
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Signed-off-by: Suren Baghdasaryan <surenb@google.com>
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---
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mm/Kconfig | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/mm/Kconfig b/mm/Kconfig
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index e3454087fd31ae..d91a544678ee9d 100644
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--- a/mm/Kconfig
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+++ b/mm/Kconfig
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@@ -1198,7 +1198,7 @@ config ARCH_SUPPORTS_PER_VMA_LOCK
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def_bool n
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config PER_VMA_LOCK
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- def_bool y
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+ bool "Enable per-vma locking during page fault handling."
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depends on ARCH_SUPPORTS_PER_VMA_LOCK && MMU && SMP
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help
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Allow per-vma locking during page fault handling.
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From 6ce292eefababf73880f3565acdb96cdc68f90ac Mon Sep 17 00:00:00 2001
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From: Tk-Glitch <ti3nou@gmail.com>
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Date: Mon, 7 Aug 2023 09:21:55 +0200
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