Merge tag 'v4.9.95' into android-4.9.95

[android-x86/kernel.git] / arch / arm64 / lib / clear_user.S

diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S
index efbf610..b581e16 100644 (file)
--- a/arch/arm64/lib/clear_user.S
+++ b/arch/arm64/lib/clear_user.S
@@ -17,10 +17,7 @@
  */
 #include <linux/linkage.h>
 
-#include <asm/alternative.h>
-#include <asm/assembler.h>
-#include <asm/cpufeature.h>
-#include <asm/sysreg.h>
+#include <asm/uaccess.h>
 
        .text
 
@@ -33,8 +30,7 @@
  * Alignment fixed up by hardware.
  */
 ENTRY(__arch_clear_user)
-ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(0)), ARM64_ALT_PAN_NOT_UAO, \
-           CONFIG_ARM64_PAN)
+       uaccess_enable_not_uao x2, x3, x4
        mov     x2, x1                  // save the size for fixup return
        subs    x1, x1, #8
        b.mi    2f
@@ -54,8 +50,7 @@ uao_user_alternative 9f, strh, sttrh, wzr, x0, 2
        b.mi    5f
 uao_user_alternative 9f, strb, sttrb, wzr, x0, 0
 5:     mov     x0, #0
-ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(1)), ARM64_ALT_PAN_NOT_UAO, \
-           CONFIG_ARM64_PAN)
+       uaccess_disable_not_uao x2, x3
        ret
 ENDPROC(__arch_clear_user)