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@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mariux64 · Mar 25, 2022 · 24e988c · 24e988c
1 parent 2c86599
commit 24e988c
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diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
@@ -337,9 +337,6 @@ 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
 

diff --git a/mm/Kconfig b/mm/Kconfig
@@ -762,6 +762,9 @@ config ARCH_HAS_CURRENT_STACK_POINTER
 	  register alias named "current_stack_pointer", this config can be
 	  selected.
 
+config ARCH_HAS_FILTER_PGPROT
+	bool
+
 config ARCH_HAS_PTE_DEVMAP
 	bool