Remove CONFIG_TLS

A first step in implementing the user-space error is force TLS to be enabled at all times.  It is no longer optional

arch/x86/include/tls.h

@@ -30,8 +30,6 @@
 #include <nuttx/arch.h>
 #include <nuttx/tls.h>
 
-#ifdef CONFIG_TLS
-
 /****************************************************************************
  * Inline Functions
  ****************************************************************************/
@@ -74,5 +72,4 @@ static inline FAR struct tls_info_s *up_tls_info(void)
 #  define up_tls_info() tls_get_info()
 #endif
 
-#endif /* CONFIG_TLS */
 #endif /* __ARCH_X86_INCLUDE_TLS_H */

arch/x86/src/i486/up_createstack.c

@@ -105,7 +105,6 @@
 
 int up_create_stack(FAR struct tcb_s *tcb, size_t stack_size, uint8_t ttype)
 {
-#ifdef CONFIG_TLS
   /* Add the size of the TLS information structure */
 
   stack_size += sizeof(struct tls_info_s);
@@ -120,7 +119,6 @@ int up_create_stack(FAR struct tcb_s *tcb, size_t stack_size, uint8_t ttype)
     {
       stack_size = TLS_MAXSTACK;
     }
-#endif
 #endif
 
   /* Is there already a stack allocated of a different size?  Because of
@@ -225,11 +223,9 @@ int up_create_stack(FAR struct tcb_s *tcb, size_t stack_size, uint8_t ttype)
       tcb->adj_stack_ptr  = (uint32_t *)top_of_stack;
       tcb->adj_stack_size = size_of_stack;
 
-#ifdef CONFIG_TLS
       /* Initialize the TLS data structure */
 
       memset(tcb->stack_alloc_ptr, 0, sizeof(struct tls_info_s));
-#endif
 
       board_autoled_on(LED_STACKCREATED);
       return OK;

arch/x86/src/i486/up_usestack.c

@@ -134,11 +134,9 @@ int up_use_stack(struct tcb_s *tcb, void *stack, size_t stack_size)
   tcb->adj_stack_ptr  = (uint32_t *)top_of_stack;
   tcb->adj_stack_size = size_of_stack;
 
-#ifdef CONFIG_TLS
   /* Initialize the TLS data structure */
 
   memset(tcb->stack_alloc_ptr, 0, sizeof(struct tls_info_s));
-#endif
 
   return OK;
 }