+ mm-generalize-arch_has_filter_pgprot.patch added to -mm tree

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The patch titled
     Subject: mm: generalize ARCH_HAS_FILTER_PGPROT
has been added to the -mm tree.  Its filename is
     mm-generalize-arch_has_filter_pgprot.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-generalize-arch_has_filter_pgprot.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-generalize-arch_has_filter_pgprot.patch

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------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Subject: mm: generalize ARCH_HAS_FILTER_PGPROT

ARCH_HAS_FILTER_PGPROT config has duplicate definitions on platforms that
subscribe it.  Instead make it a generic config option which can be
selected on applicable platforms when required.

Link: https://lkml.kernel.org/r/1643004823-16441-1-git-send-email-anshuman.khandual@xxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/arm64/Kconfig |    4 +---
 arch/x86/Kconfig   |    3 ---
 mm/Kconfig         |    3 +++
 3 files changed, 4 insertions(+), 6 deletions(-)

--- a/arch/arm64/Kconfig~mm-generalize-arch_has_filter_pgprot
+++ a/arch/arm64/Kconfig
@@ -23,6 +23,7 @@ config ARM64
 	select ARCH_HAS_DMA_PREP_COHERENT
 	select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
 	select ARCH_HAS_FAST_MULTIPLIER
+	select ARCH_HAS_FILTER_PGPROT
 	select ARCH_HAS_FORTIFY_SOURCE
 	select ARCH_HAS_GCOV_PROFILE_ALL
 	select ARCH_HAS_GIGANTIC_PAGE
@@ -1166,9 +1167,6 @@ config HW_PERF_EVENTS
 	def_bool y
 	depends on ARM_PMU
 
-config ARCH_HAS_FILTER_PGPROT
-	def_bool y
-
 # Supported by clang >= 7.0
 config CC_HAVE_SHADOW_CALL_STACK
 	def_bool $(cc-option, -fsanitize=shadow-call-stack -ffixed-x18)
--- a/arch/x86/Kconfig~mm-generalize-arch_has_filter_pgprot
+++ a/arch/x86/Kconfig
@@ -332,9 +332,6 @@ config GENERIC_CALIBRATE_DELAY
 config ARCH_HAS_CPU_RELAX
 	def_bool y
 
-config ARCH_HAS_FILTER_PGPROT
-	def_bool y
-
 config ARCH_HIBERNATION_POSSIBLE
 	def_bool y
 
--- a/mm/Kconfig~mm-generalize-arch_has_filter_pgprot
+++ a/mm/Kconfig
@@ -744,6 +744,9 @@ config IDLE_PAGE_TRACKING
 config ARCH_HAS_CACHE_LINE_SIZE
 	bool
 
+config ARCH_HAS_FILTER_PGPROT
+	bool
+
 config ARCH_HAS_PTE_DEVMAP
 	bool
 
_

Patches currently in -mm which might be from anshuman.khandual@xxxxxxx are

mm-generalize-arch_has_filter_pgprot.patch




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