Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-omap-h63xx.git] / include / asm-blackfin / entry.h

diff --git a/include/asm-blackfin/entry.h b/include/asm-blackfin/entry.h
index 562c6d3a3232ba21f7b46ba724864384af452991..c4f721e0d00def673b14bf4febd92b342c477efb 100644 (file)
--- a/include/asm-blackfin/entry.h
+++ b/include/asm-blackfin/entry.h
@@ -17,6 +17,11 @@
 #define        PF_DTRACE_OFF   1
 #define        PF_DTRACE_BIT   5
 
+/*
+ * NOTE!  The single-stepping code assumes that all interrupt handlers
+ * start by saving SYSCFG on the stack with their first instruction.
+ */
+
 /* This one is used for exceptions, emulation, and NMI.  It doesn't push
    RETI and doesn't do cli.  */
 #define SAVE_ALL_SYS           save_context_no_interrupts