s390: convert release_thread() into a static inline function

release_thread() is an empty function that gets called on every task
exit. Move the function to a header file and force inlining of it, so
that the compiler can optimize it away instead of generating a
pointless function call.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2017-09-11 11:24:22 +02:00 committed by Martin Schwidefsky
parent 9cd6681cb1
commit 8076428f0c
2 changed files with 1 additions and 5 deletions

View File

@ -218,7 +218,7 @@ void show_registers(struct pt_regs *regs);
void show_cacheinfo(struct seq_file *m);
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
static inline void release_thread(struct task_struct *tsk) { }
/* Free guarded storage control block for current */
void exit_thread_gs(void);

View File

@ -58,10 +58,6 @@ void flush_thread(void)
{
}
void release_thread(struct task_struct *dead_task)
{
}
void arch_release_task_struct(struct task_struct *tsk)
{
}