[parisc-linux] 2.4.19-pa24 (uaccess.h patch) [was: mkfs.xfs failled]
jsoe0708@tiscali.be
jsoe0708@tiscali.be
Mon, 28 Oct 2002 15:22:31 +0100
Randolph,
I test it this morming with evms and xfs together and it seems to works
fine (no memory default encounter so I could not check ex_table behaviour)
Thanks,
Joel
PS: Can you explain the willy's idea on how to replace ex_table?
ps: What do think about this:
--- uaccess.h.orig 2002-10-28 14:58:13.000000000 +0100
+++ uaccess.h 2002-10-28 15:01:31.000000000 +0100
@@ -28,6 +28,11 @@
* that put_user is the same as __put_user, etc.
*/
+extern int __get_kernel_bad(void);
+extern int __get_user_bad(void);
+extern int __put_kernel_bad(void);
+extern int __put_user_bad(void);
+
#define access_ok(type,addr,size) (1)
#define verify_area(type,addr,size) (0)
@@ -35,8 +40,8 @@
#define get_user __get_user
#if BITS_PER_LONG == 32
-#define LDD_KERNEL(ptr) BUG()
-#define LDD_USER(ptr) BUG()
+#define LDD_KERNEL(ptr) __get_kernel_bad();
+#define LDD_USER(ptr) __get_user_bad();
#define STD_KERNEL(x, ptr) __put_kernel_asm64(x,ptr)
#define STD_USER(x, ptr) __put_user_asm64(x,ptr)
#else
@@ -75,7 +80,7 @@
case 2: __get_kernel_asm("ldh",ptr); break; \
case 4: __get_kernel_asm("ldw",ptr); break; \
case 8: LDD_KERNEL(ptr); break; \
- default: BUG(); break; \
+ default: __get_kernel_bad(); break; \
} \
} \
else { \
@@ -84,7 +89,7 @@
case 2: __get_user_asm("ldh",ptr); break; \
case 4: __get_user_asm("ldw",ptr); break; \
case 8: LDD_USER(ptr); break; \
- default: BUG(); break; \
+ default: __get_user_bad(); break; \
} \
} \
\
@@ -144,7 +149,7 @@
case 2: __put_kernel_asm("sth",x,ptr); break; \
case 4: __put_kernel_asm("stw",x,ptr); break; \
case 8: STD_KERNEL(x,ptr); break; \
- default: BUG(); break; \
+ default: __put_kernel_bad(); break; \
} \
} \
else { \
@@ -153,7 +158,7 @@
case 2: __put_user_asm("sth",x,ptr); break; \
case 4: __put_user_asm("stw",x,ptr); break; \
case 8: STD_USER(x,ptr); break; \
- default: BUG(); break; \
+ default: __put_user_bad(); break; \
} \
} \
\