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ARM: make SWP emulation explicit on !CPU_USE_DOMAINS
authorRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 10 Feb 2011 13:05:13 +0000 (13:05 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 10 Feb 2011 13:05:13 +0000 (13:05 +0000)
SWP emulation requires that CPU domain support is disabled in order to
work safely.  Make that explicit in the kernel configuration to prevent
illegal configurations being generated.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mm/Kconfig patch | blob | blame | history

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c9d2d56feced1e92074a8a523e91572cb41e1fa1..e4509bae8fc482803fd821cbf47b05edc6b8f1a6 100644 (file)
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -644,7 +644,7 @@ config ARM_THUMBEE
 
 config SWP_EMULATE
        bool "Emulate SWP/SWPB instructions"
-       depends on CPU_V7 && !CPU_V6
+       depends on !CPU_USE_DOMAINS && CPU_V7 && !CPU_V6
        select HAVE_PROC_CPU if PROC_FS
        default y if SMP
        help