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[PATCHv7 01/11] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL

Started byLaura Abbott <labbott@redhat.com>
First post2017-01-10 22:40 +0100
Last post2017-01-10 22:40 +0100
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  [PATCHv7 01/11] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL Laura Abbott <labbott@redhat.com> - 2017-01-10 22:40 +0100

#1555932 — [PATCHv7 01/11] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL

FromLaura Abbott <labbott@redhat.com>
Date2017-01-10 22:40 +0100
Subject[PATCHv7 01/11] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL
Message-ID<sYcj8-6ul-15@gated-at.bofh.it>
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@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Laura Abbott <labbott@redhat.com>
---
 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 e487493..f1d4e8f 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -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
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b06848a..2aed316 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -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.
-- 
2.7.4

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