Ralf Baechle wrote:
>
> Send me the patch and I'll comment.
>
> Ralf
Here is my patch. I think it should be safe for mips64. Please double check
it.
Jun
diff -Nru linux/drivers/char/mem.c.orig linux/drivers/char/mem.c
--- linux/drivers/char/mem.c.orig Mon Dec 11 22:07:19 2000
+++ linux/drivers/char/mem.c Mon Dec 11 22:38:11 2000
@@ -258,6 +258,14 @@
count -= read;
}
+#if defined(__mips__)
+ if (KSEGX(p)) {
+ if (copy_to_user(buf, (char*)p, count))
+ return -EFAULT;
+ return count+read;
+ }
+#endif
+
kbuf = (char *)__get_free_page(GFP_KERNEL);
if (!kbuf)
return -ENOMEM;
@@ -288,6 +296,12 @@
size_t count, loff_t *ppos)
{
unsigned long p = *ppos;
+
+#if defined(__mips__)
+ if (KSEGX(p)) {
+ return do_write_mem(file, (void*)p, p, buf, count, ppos);
+ }
+#endif
if (p >= (unsigned long) high_memory)
return 0;
