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-rw-r--r--arch/blackfin/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index ac76baac1df3..e37e993431b9 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -667,6 +667,17 @@ config APP_STACK_L1
Currently only works with FLAT binaries.
+config EXCEPTION_L1_SCRATCH
+ bool "Locate exception stack in L1 Scratch Memory"
+ default n
+ depends on !APP_STACK_L1 && !SYSCALL_TAB_L1
+ help
+ Whenever an exception occurs, use the L1 Scratch memory for
+ stack storage. You cannot place the stacks of FLAT binaries
+ in L1 when using this option.
+
+ If you don't use L1 Scratch, then you should say Y here.
+
comment "Speed Optimizations"
config BFIN_INS_LOWOVERHEAD
bool "ins[bwl] low overhead, higher interrupt latency"