Merge branch 'devel-stable' into devel

[karo-tx-linux.git] / arch / arm / kernel / entry-armv.S

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 9ef9a82669969df7e51242d2a478072eb333ca6d..bb8e93a76407241042345c51273690f6cdc35578 100644 (file)
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -22,6 +22,7 @@
 #include <asm/thread_notify.h>
 #include <asm/unwind.h>
 #include <asm/unistd.h>
+#include <asm/tls.h>
 
 #include "entry-header.S"
 
@@ -735,12 +736,7 @@ ENTRY(__switch_to)
 #ifdef CONFIG_MMU
        ldr     r6, [r2, #TI_CPU_DOMAIN]
 #endif
-#if defined(CONFIG_HAS_TLS_REG)
-       mcr     p15, 0, r3, c13, c0, 3          @ set TLS register
-#elif !defined(CONFIG_TLS_REG_EMUL)
-       mov     r4, #0xffff0fff
-       str     r3, [r4, #-15]                  @ TLS val at 0xffff0ff0
-#endif
+       set_tls r3, r4, r5
 #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
        ldr     r7, [r2, #TI_TASK]
        ldr     r8, =__stack_chk_guard
@@ -1013,17 +1009,12 @@ kuser_cmpxchg_fixup:
  */
 
 __kuser_get_tls:                               @ 0xffff0fe0
-
-#if !defined(CONFIG_HAS_TLS_REG) && !defined(CONFIG_TLS_REG_EMUL)
-       ldr     r0, [pc, #(16 - 8)]             @ TLS stored at 0xffff0ff0
-#else
-       mrc     p15, 0, r0, c13, c0, 3          @ read TLS register
-#endif
+       ldr     r0, [pc, #(16 - 8)]     @ read TLS, set in kuser_get_tls_init
        usr_ret lr
-
-       .rep    5
-       .word   0                       @ pad up to __kuser_helper_version
-       .endr
+       mrc     p15, 0, r0, c13, c0, 3  @ 0xffff0fe8 hardware TLS code
+       .rep    4
+       .word   0                       @ 0xffff0ff0 software TLS value, then
+       .endr                           @ pad up to __kuser_helper_version
 
 /*
  * Reference declaration: