arch: arc: Remove priv_stack_size field form _thread_arch

This commit removes the priv_stack_size field from the _thread_arch on arc architecture as there is no code using value stored in this variable. Signed-off-by: Piotr Zięcik <[email protected]>
dagar · Dec 12, 2018 · 23d2aa1 · 23d2aa1
1 parent 5ea8454
commit 23d2aa1
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Showing 2 changed files with 1 addition and 7 deletions.
diff --git a/arch/arc/core/thread.c b/arch/arc/core/thread.c
@@ -86,8 +86,6 @@ void _new_thread(struct k_thread *thread, k_thread_stack_t *stack,
 	if (options & K_USER) {
 		thread->arch.priv_stack_start =
 			(u32_t)(stackEnd + STACK_GUARD_SIZE);
-		thread->arch.priv_stack_size =
-			(u32_t)(CONFIG_PRIVILEGED_STACK_SIZE);
 
 		stackAdjEnd = (char *)STACK_ROUND_DOWN(stackEnd + STACK_GUARD_SIZE +
 					CONFIG_PRIVILEGED_STACK_SIZE);
@@ -121,7 +119,6 @@ void _new_thread(struct k_thread *thread, k_thread_stack_t *stack,
 		stackEnd += CONFIG_PRIVILEGED_STACK_SIZE + STACK_GUARD_SIZE;
 
 		thread->arch.priv_stack_start = 0;
-		thread->arch.priv_stack_size = 0;
 
 #ifdef CONFIG_THREAD_USERSPACE_LOCAL_DATA
 		/* reserve stack space for the userspace local data struct */
@@ -249,13 +246,11 @@ FUNC_NORETURN void _arch_user_mode_enter(k_thread_entry_t user_entry,
 	_current->arch.priv_stack_start =
 			(u32_t)(_current->stack_info.start +
 				_current->stack_info.size + STACK_GUARD_SIZE);
-	_current->arch.priv_stack_size =
-			(u32_t)CONFIG_PRIVILEGED_STACK_SIZE;
 
 #ifdef CONFIG_ARC_STACK_CHECKING
 	_current->arch.k_stack_top = _current->arch.priv_stack_start;
 	_current->arch.k_stack_base = _current->arch.priv_stack_start +
-				_current->arch.priv_stack_size;
+				CONFIG_PRIVILEGED_STACK_SIZE;
 	_current->arch.u_stack_top = _current->stack_info.start;
 	_current->arch.u_stack_base = _current->stack_info.start +
 				_current->stack_info.size;

diff --git a/arch/arc/include/kernel_arch_thread.h b/arch/arc/include/kernel_arch_thread.h
@@ -71,7 +71,6 @@ struct _thread_arch {
 
 #ifdef CONFIG_USERSPACE
 	u32_t priv_stack_start;
-	u32_t priv_stack_size;
 #endif
 };
-Original file line number
+Diff line change
@@ Expand Up / @@ -71,7 +71,6 @@ struct _thread_arch { @@
     #ifdef CONFIG_USERSPACE
     	u32_t priv_stack_start;
-    	u32_t priv_stack_size;
     #endif
     };
@@ Expand Down @@