arm64: don't pull uaccess.h into *.S

[karo-tx-linux.git] / arch / arm64 / include / asm / uaccess.h

diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index d26750ca6e066b9f0f267025512b3e2bdef13744..46da3ea638bbdfc858161f3e00ac560562692359 100644 (file)
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -22,8 +22,6 @@
 #include <asm/kernel-pgtable.h>
 #include <asm/sysreg.h>
 
-#ifndef __ASSEMBLY__
-
 /*
  * User space memory access functions
  */
@@ -424,66 +422,4 @@ extern long strncpy_from_user(char *dest, const char __user *src, long count);
 extern __must_check long strlen_user(const char __user *str);
 extern __must_check long strnlen_user(const char __user *str, long n);
 
-#else  /* __ASSEMBLY__ */
-
-#include <asm/assembler.h>
-
-/*
- * User access enabling/disabling macros.
- */
-#ifdef CONFIG_ARM64_SW_TTBR0_PAN
-       .macro  __uaccess_ttbr0_disable, tmp1
-       mrs     \tmp1, ttbr1_el1                // swapper_pg_dir
-       add     \tmp1, \tmp1, #SWAPPER_DIR_SIZE // reserved_ttbr0 at the end of swapper_pg_dir
-       msr     ttbr0_el1, \tmp1                // set reserved TTBR0_EL1
-       isb
-       .endm
-
-       .macro  __uaccess_ttbr0_enable, tmp1
-       get_thread_info \tmp1
-       ldr     \tmp1, [\tmp1, #TSK_TI_TTBR0]   // load saved TTBR0_EL1
-       msr     ttbr0_el1, \tmp1                // set the non-PAN TTBR0_EL1
-       isb
-       .endm
-
-       .macro  uaccess_ttbr0_disable, tmp1
-alternative_if_not ARM64_HAS_PAN
-       __uaccess_ttbr0_disable \tmp1
-alternative_else_nop_endif
-       .endm
-
-       .macro  uaccess_ttbr0_enable, tmp1, tmp2
-alternative_if_not ARM64_HAS_PAN
-       save_and_disable_irq \tmp2              // avoid preemption
-       __uaccess_ttbr0_enable \tmp1
-       restore_irq \tmp2
-alternative_else_nop_endif
-       .endm
-#else
-       .macro  uaccess_ttbr0_disable, tmp1
-       .endm
-
-       .macro  uaccess_ttbr0_enable, tmp1, tmp2
-       .endm
-#endif
-
-/*
- * These macros are no-ops when UAO is present.
- */
-       .macro  uaccess_disable_not_uao, tmp1
-       uaccess_ttbr0_disable \tmp1
-alternative_if ARM64_ALT_PAN_NOT_UAO
-       SET_PSTATE_PAN(1)
-alternative_else_nop_endif
-       .endm
-
-       .macro  uaccess_enable_not_uao, tmp1, tmp2
-       uaccess_ttbr0_enable \tmp1, \tmp2
-alternative_if ARM64_ALT_PAN_NOT_UAO
-       SET_PSTATE_PAN(0)
-alternative_else_nop_endif
-       .endm
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __ASM_UACCESS_H */