]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/commitdiff
arm64: stacktrace: Constify stacktrace.h functions
authorDave Martin <Dave.Martin@arm.com>
Tue, 2 Jul 2019 13:07:27 +0000 (14:07 +0100)
committerWill Deacon <will@kernel.org>
Mon, 22 Jul 2019 10:44:00 +0000 (11:44 +0100)
on_accessible_stack() and on_task_stack() shouldn't (and don't)
modify their task argument, so it can be const.

This patch adds the appropriate modifiers. Whitespace violations in the
parameter lists are fixed at the same time.

No functional change.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Dave Martin <dave.martin@arm.com>
[Mark: fixup const location, whitespace]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/include/asm/stacktrace.h

index df45af9314598167e98ffde7876e86dd5f8ef7d0..1e0c5a7cdce536f0255f1cf6fab42563ef696e7f 100644 (file)
@@ -64,8 +64,9 @@ static inline bool on_irq_stack(unsigned long sp,
        return true;
 }
 
-static inline bool on_task_stack(struct task_struct *tsk, unsigned long sp,
-                               struct stack_info *info)
+static inline bool on_task_stack(const struct task_struct *tsk,
+                                unsigned long sp,
+                                struct stack_info *info)
 {
        unsigned long low = (unsigned long)task_stack_page(tsk);
        unsigned long high = low + THREAD_SIZE;
@@ -112,9 +113,9 @@ static inline bool on_overflow_stack(unsigned long sp,
  * We can only safely access per-cpu stacks from current in a non-preemptible
  * context.
  */
-static inline bool on_accessible_stack(struct task_struct *tsk,
-                                       unsigned long sp,
-                                       struct stack_info *info)
+static inline bool on_accessible_stack(const struct task_struct *tsk,
+                                      unsigned long sp,
+                                      struct stack_info *info)
 {
        if (on_task_stack(tsk, sp, info))
                return true;