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-rw-r--r--arch/powerpc/Kconfig.debug3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index a86d8d8..807a2dc 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -151,6 +151,9 @@ config BOOTX_TEXT
config PPC_EARLY_DEBUG
bool "Early debugging (dangerous)"
+ # PPC_EARLY_DEBUG on 440 leaves AS=1 mappings above the TLB high water
+ # mark, which doesn't work with current 440 KVM.
+ depends on !KVM
help
Say Y to enable some early debugging facilities that may be available
for your processor/board combination. Those facilities are hacks