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Commit fa5b6ec9 authored by Laura Abbott's avatar Laura Abbott Committed by Will Deacon
Browse files

lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL 



DEBUG_VIRTUAL currently depends on DEBUG_KERNEL && X86. arm64 is getting
the same support. Rather than add a list of architectures, switch this
to ARCH_HAS_DEBUG_VIRTUAL and let architectures select it as
appropriate.

Acked-by: default avatarIngo Molnar <mingo@kernel.org>
Reviewed-by: default avatarMark Rutland <mark.rutland@arm.com>
Tested-by: default avatarMark Rutland <mark.rutland@arm.com>
Suggested-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarLaura Abbott <labbott@redhat.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 0c744ea4

arch/x86/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ config X86 
	select ARCH_CLOCKSOURCE_DATA

	select ARCH_DISCARD_MEMBLOCK

	select ARCH_HAS_ACPI_TABLE_UPGRADE	if ACPI

	select ARCH_HAS_DEBUG_VIRTUAL

	select ARCH_HAS_DEVMEM_IS_ALLOWED

	select ARCH_HAS_ELF_RANDOMIZE

	select ARCH_HAS_FAST_MULTIPLIER

lib/Kconfig.debug

+4 −1
Original line number Diff line number Diff line
@@ -622,9 +622,12 @@ config DEBUG_VM_PGFLAGS 


	  If unsure, say N.



config ARCH_HAS_DEBUG_VIRTUAL

	bool



config DEBUG_VIRTUAL

	bool "Debug VM translations"

	depends on DEBUG_KERNEL && X86

	depends on DEBUG_KERNEL && ARCH_HAS_DEBUG_VIRTUAL

	help

	  Enable some costly sanity checks in virtual to page code. This can

	  catch mistakes with virt_to_page() and friends.