[PATCHv4 01/10] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL

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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: Ingo Molnar <mingo@xxxxxxxxxx>
Reviewed-by: Mark Rutland <mark.rutland@xxxxxxx>
Tested-by: Mark Rutland <mark.rutland@xxxxxxx>
Suggested-by: Mark Rutland <mark.rutland@xxxxxxx>
Signed-off-by: Laura Abbott <labbott@xxxxxxxxxx>
---
v4: No changes, just Acks
---
 arch/x86/Kconfig  | 1 +
 lib/Kconfig.debug | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bada636..f533321 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -23,6 +23,7 @@ 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
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index a6c8db1..be65e04 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -603,9 +603,12 @@ 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.
-- 
2.7.4

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