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Date: Sat, 01 Nov 2003 16:32:39 +0000
From: Joel Soete <soete.joel@tiscali.be>
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To: Randolph Chung <randolph@tausq.org>,
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Subject: [parisc-linux] backport unaligned.c Randolph patch
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Hi Randolph,

Here is the backport of your unaligned.c patch:

=====
--- unaligned.c.SAV     2003-11-01 15:26:14.000000000 +0000
+++ unaligned.c 2003-11-01 15:26:04.000000000 +0000
@@ -24,24 +24,6 @@
  #include <linux/config.h>
  #include <linux/sched.h>
  #include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/ptrace.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/spinlock.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/atomic.h>
-
-#include <asm/smp.h>
-#include <asm/pdc.h>

  /* #define DEBUG_UNALIGNED 1 */

@@ -493,37 +475,6 @@
         struct siginfo si;
         register int flop=0;    /* true if this is a flop */

-       /* if the unaligned access is inside the kernel:
-        *   if the access is caused by a syscall, then we fault the calling
-        *     user process
-        */
-       if (!user_mode(regs))
-       {
-               const struct exception_table_entry *fix;
-
-               /* see if the offending code have its own
-                * exception handler
-                */
-
-               fix = search_exception_table(regs->iaoq[0]);
-               if (fix)
-               {
-                       /* lower bits of fix->skip are flags
-                        * upper bits are the handler addr
-                        */
-                       if (fix->skip & 1)
-                               regs->gr[8] = -EFAULT;
-                       if (fix->skip & 2)
-                               regs->gr[9] = 0;
-
-                       regs->iaoq[0] += ((fix->skip) & ~3);
-                       regs->iaoq[1] = regs->iaoq[0] + 4;
-                       regs->gr[0] &= ~PSW_B;
-
-                       return;
-               }
-       }
-
         /* log a message with pacing */
         if (user_mode(regs))
         {
=====

I check on my b2k: it compiles and boot well.

hth,
	Joel