arch: remove frv port

[sfrench/cifs-2.6.git] / arch / frv / mm / extable.c

diff --git a/arch/frv/mm/extable.c b/arch/frv/mm/extable.c
deleted file mode 100644 (file)
index 77c0c5b..0000000
--- a/arch/frv/mm/extable.c
+++ /dev/null
@@ -1,49 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/frv/mm/extable.c
- */
-
-#include <linux/extable.h>
-#include <linux/spinlock.h>
-#include <linux/uaccess.h>
-
-extern const void __memset_end, __memset_user_error_lr, __memset_user_error_handler;
-extern const void __memcpy_end, __memcpy_user_error_lr, __memcpy_user_error_handler;
-extern spinlock_t modlist_lock;
-
-int fixup_exception(struct pt_regs *regs)
-{
-       const struct exception_table_entry *extab;
-       unsigned long pc = regs->pc;
-
-       /* determine if the fault lay during a memcpy_user or a memset_user */
-       if (regs->lr == (unsigned long) &__memset_user_error_lr &&
-           (unsigned long) &memset <= pc && pc < (unsigned long) &__memset_end
-           ) {
-               /* the fault occurred in a protected memset
-                * - we search for the return address (in LR) instead of the program counter
-                * - it was probably during a clear_user()
-                */
-               regs->pc = (unsigned long) &__memset_user_error_handler;
-               return 1;
-       }
-
-       if (regs->lr == (unsigned long) &__memcpy_user_error_lr &&
-           (unsigned long) &memcpy <= pc && pc < (unsigned long) &__memcpy_end
-           ) {
-               /* the fault occurred in a protected memset
-                * - we search for the return address (in LR) instead of the program counter
-                * - it was probably during a copy_to/from_user()
-                */
-               regs->pc = (unsigned long) &__memcpy_user_error_handler;
-               return 1;
-       }
-
-       extab = search_exception_tables(pc);
-       if (extab) {
-               regs->pc = extab->fixup;
-               return 1;
-       }
-
-       return 0;
-}