Messages in this thread Patch in this message | | | From | Heiko Carstens <> | Subject | [PATCH 1/3] arch: remove ARCH_THREAD_STACK_ALLOCATOR | Date | Thu, 16 Nov 2023 14:36:36 +0100 |
| |
IA-64 was the only architecture which selected ARCH_THREAD_STACK_ALLOCATOR. IA-64 was removed with commit cf8e8658100d ("arch: Remove Itanium (IA-64) architecture"). Therefore remove support for ARCH_THREAD_STACK_ALLOCATOR as well.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com> --- arch/Kconfig | 4 ---- kernel/fork.c | 20 -------------------- 2 files changed, 24 deletions(-)
diff --git a/arch/Kconfig b/arch/Kconfig index f4b210ab0612..310162b41a1c 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -320,10 +320,6 @@ config HAVE_ARCH_THREAD_STRUCT_WHITELIST should be implemented. Without this, the entire thread_struct field in task_struct will be left whitelisted. -# Select if arch has its private alloc_thread_stack() function -config ARCH_THREAD_STACK_ALLOCATOR - bool - # Select if arch wants to size task_struct dynamically via arch_task_struct_size: config ARCH_WANTS_DYNAMIC_TASK_STRUCT bool diff --git a/kernel/fork.c b/kernel/fork.c index 10917c3e1f03..d071809866e0 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -179,8 +179,6 @@ static inline void free_task_struct(struct task_struct *tsk) } #endif -#ifndef CONFIG_ARCH_THREAD_STACK_ALLOCATOR - /* * Allocate pages if THREAD_SIZE is >= PAGE_SIZE, otherwise use a * kmemcache based allocator. @@ -412,24 +410,6 @@ void thread_stack_cache_init(void) } # endif /* THREAD_SIZE >= PAGE_SIZE || defined(CONFIG_VMAP_STACK) */ -#else /* CONFIG_ARCH_THREAD_STACK_ALLOCATOR */ - -static int alloc_thread_stack_node(struct task_struct *tsk, int node) -{ - unsigned long *stack; - - stack = arch_alloc_thread_stack_node(tsk, node); - tsk->stack = stack; - return stack ? 0 : -ENOMEM; -} - -static void free_thread_stack(struct task_struct *tsk) -{ - arch_free_thread_stack(tsk); - tsk->stack = NULL; -} - -#endif /* !CONFIG_ARCH_THREAD_STACK_ALLOCATOR */ /* SLAB cache for signal_struct structures (tsk->signal) */ static struct kmem_cache *signal_cachep; -- 2.39.2
| |