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-rw-r--r--include/asm-blackfin/mach-common/context.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-blackfin/mach-common/context.S b/include/asm-blackfin/mach-common/context.S
index fd0ebe1862b8..c0e630edfb9a 100644
--- a/include/asm-blackfin/mach-common/context.S
+++ b/include/asm-blackfin/mach-common/context.S
@@ -28,6 +28,11 @@
*/
/*
+ * NOTE! The single-stepping code assumes that all interrupt handlers
+ * start by saving SYSCFG on the stack with their first instruction.
+ */
+
+/*
* Code to save processor context.
* We even save the register which are preserved by a function call
* - r4, r5, r6, r7, p3, p4, p5