Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd...

[sfrench/cifs-2.6.git] / arch / xtensa / include / asm / asm-uaccess.h

diff --git a/arch/xtensa/include/asm/asm-uaccess.h b/arch/xtensa/include/asm/asm-uaccess.h
index 7f6cf4151843abea3b591e5536762f155a7cb5ff..7cec869136e3062ae95747996a5bf7f0e8f83b7e 100644 (file)
--- a/arch/xtensa/include/asm/asm-uaccess.h
+++ b/arch/xtensa/include/asm/asm-uaccess.h
@@ -23,76 +23,6 @@
 #include <asm/asm-offsets.h>
 #include <asm/processor.h>
 
-/*
- * These assembly macros mirror the C macros in asm/uaccess.h.  They
- * should always have identical functionality.  See
- * arch/xtensa/kernel/sys.S for usage.
- */
-
-#define KERNEL_DS      0
-#define USER_DS                1
-
-/*
- * get_fs reads current->thread.current_ds into a register.
- * On Entry:
- *     <ad>    anything
- *     <sp>    stack
- * On Exit:
- *     <ad>    contains current->thread.current_ds
- */
-       .macro  get_fs  ad, sp
-       GET_CURRENT(\ad,\sp)
-#if THREAD_CURRENT_DS > 1020
-       addi    \ad, \ad, TASK_THREAD
-       l32i    \ad, \ad, THREAD_CURRENT_DS - TASK_THREAD
-#else
-       l32i    \ad, \ad, THREAD_CURRENT_DS
-#endif
-       .endm
-
-/*
- * set_fs sets current->thread.current_ds to some value.
- * On Entry:
- *     <at>    anything (temp register)
- *     <av>    value to write
- *     <sp>    stack
- * On Exit:
- *     <at>    destroyed (actually, current)
- *     <av>    preserved, value to write
- */
-       .macro  set_fs  at, av, sp
-       GET_CURRENT(\at,\sp)
-       s32i    \av, \at, THREAD_CURRENT_DS
-       .endm
-
-/*
- * kernel_ok determines whether we should bypass addr/size checking.
- * See the equivalent C-macro version below for clarity.
- * On success, kernel_ok branches to a label indicated by parameter
- * <success>.  This implies that the macro falls through to the next
- * insruction on an error.
- *
- * Note that while this macro can be used independently, we designed
- * in for optimal use in the access_ok macro below (i.e., we fall
- * through on error).
- *
- * On Entry:
- *     <at>            anything (temp register)
- *     <success>       label to branch to on success; implies
- *                     fall-through macro on error
- *     <sp>            stack pointer
- * On Exit:
- *     <at>            destroyed (actually, current->thread.current_ds)
- */
-
-#if ((KERNEL_DS != 0) || (USER_DS == 0))
-# error Assembly macro kernel_ok fails
-#endif
-       .macro  kernel_ok  at, sp, success
-       get_fs  \at, \sp
-       beqz    \at, \success
-       .endm
-
 /*
  * user_ok determines whether the access to user-space memory is allowed.
  * See the equivalent C-macro version below for clarity.
@@ -147,7 +77,6 @@
  *     <at>    destroyed
  */
        .macro  access_ok  aa, as, at, sp, error
-       kernel_ok  \at, \sp, .Laccess_ok_\@
        user_ok    \aa, \as, \at, \error
 .Laccess_ok_\@:
        .endm