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sched: remove unused __HAVE_THREAD_FUNCTIONS hook support

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__HAVE_THREAD_FUNCTIONS could be defined by architectures wishing to
provide their own task_thread_info(), task_stack_page(),
setup_thread_stack() and end_of_stack() hooks.

Commit cf8e865810 ("arch: Remove Itanium (IA-64) architecture")
removed the last upstream consumer of __HAVE_THREAD_FUNCTIONS, so change
the remaining !CONFIG_THREAD_INFO_IN_TASK && !__HAVE_THREAD_FUNCTIONS
conditionals to only check for the former case.

Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lkml.kernel.org/r/20240930050945.30304-2-ddiss@suse.de
This commit is contained in:
David Disseldorp 2024-09-30 05:09:46 +00:00 committed by Peter Zijlstra
parent 49994911b4
commit 5e9f0c4819
2 changed files with 2 additions and 2 deletions
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2
include/linux/sched.h
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@ -1898,7 +1898,7 @@ extern unsigned long init_stack[THREAD_SIZE / sizeof(unsigned long)];
#ifdef CONFIG_THREAD_INFO_IN_TASK
# define task_thread_info(task) (&(task)->thread_info)
#elif !defined(__HAVE_THREAD_FUNCTIONS)
#else
# define task_thread_info(task) ((struct thread_info *)(task)->stack)
#endif

2
include/linux/sched/task_stack.h
View File

@ -33,7 +33,7 @@ static __always_inline unsigned long *end_of_stack(const struct task_struct *tas
#endif
}
#elif !defined(__HAVE_THREAD_FUNCTIONS)
#else
#define task_stack_page(task) ((void *)(task)->stack)