Re: [PATCH v2 00/11] test_user_copy improvements

[David Miller]

From: David Miller <davem@xxxxxxxxxx>
Date: Mon, 10 Aug 2015 15:29:38 -0700 (PDT)

> Also, I think the tests you added and protected with MIPS ifdefs could
> equally be enabled on sparc64.

James, as per this issue, I was thinking we could do something like this
so that the tests don't get messy:

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index cee5f93..48d20c8 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1922,6 +1922,7 @@ config CPU_MIPSR6
 
 config EVA
 	bool
+	select ARCH_SPLIT_VA_SPACE
 
 config XPA
 	bool
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 56442d2..4001d04 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -80,6 +80,7 @@ config SPARC64
 	select NO_BOOTMEM
 	select HAVE_ARCH_AUDITSYSCALL
 	select ARCH_SUPPORTS_ATOMIC_RMW
+	select ARCH_SPLIT_VA_SPACE
 
 config ARCH_DEFCONFIG
 	string
diff --git a/lib/Kconfig b/lib/Kconfig
index 3a2ef67..149eb29 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -62,6 +62,9 @@ config ARCH_USE_CMPXCHG_LOCKREF
 config ARCH_HAS_FAST_MULTIPLIER
 	bool
 
+config ARCH_SPLIT_VA_SPACE
+       def_bool n
+
 config CRC_CCITT
 	tristate "CRC-CCITT functions"
 	help
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