patch-2.4.19 linux-2.4.19/arch/arm/mm/proc-arm720.S

• Lines: 10
• Date: Fri Aug 2 17:39:42 2002
• Orig file: linux-2.4.18/arch/arm/mm/proc-arm720.S
• Orig date: Thu Oct 11 09:04:57 2001

diff -urN linux-2.4.18/arch/arm/mm/proc-arm720.S linux-2.4.19/arch/arm/mm/proc-arm720.S
@@ -111,6 +111,9 @@
  *         : r3 = saved SPSR
  *
  * Purpose : obtain information about current aborted instruction
+ * Note: we read user space.  This means we might cause a data
+ * abort here if the I-TLB and D-TLB aren't seeing the same
+ * picture.  Unfortunately, this does happen.  We live with it.
  *
  * Returns : r0 = address of abort
  *	   : r1 != 0 if writing