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-rw-r--r--arch/powerpc/Kconfig.debug6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index db7cc34c24d..a7d24e692ba 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -118,7 +118,6 @@ config XMON_DISASSEMBLY
config IRQSTACKS
bool "Use separate kernel stacks when processing interrupts"
- depends on PPC64
help
If you say Y here the kernel will use separate kernel stacks
for handling hard and soft interrupts. This can help avoid
@@ -151,6 +150,9 @@ 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
@@ -269,7 +271,7 @@ config PPC_EARLY_DEBUG_CPM_ADDR
hex "CPM UART early debug transmit descriptor address"
depends on PPC_EARLY_DEBUG_CPM
default "0xfa202008" if PPC_EP88XC
- default "0xf0000008" if CPM2
+ default "0xf0001ff8" if CPM2
default "0xff002008" if CPM1
help
This specifies the address of the transmit descriptor