[PATCH 1/2] ARM: Pass IFSR register to do_PrefetchAbort()

Hello,

Kirill A. Shutemov wrote:

quoted

 #ifdef CONFIG_CPU_PABRT_NOIFAR
-# ifdef CPU_PABORT_HANDLER
+# ifdef CPU_PABORT_HANDLER_IFAR
 #  define MULTI_PABORT 1
 # else
-#  define CPU_PABORT_HANDLER(reg, insn)        mov reg, insn
+#  define CPU_PABORT_HANDLER_IFAR(reg, insn)   mov reg, insn
+#  define CPU_PABORT_HANDLER_IFSR(reg)         mrc p15, 0, reg, cr5, cr0, 1

It's incorrect. We have IFSR only on ARMv7.

It seems my assumption on the availability of that register was wrong, 
but I think it's available at least on ARMv6, and also that IFAR can be 
optional...

A.