summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorHeiko Carstens <heiko.carstens@de.ibm.com>2017-09-11 11:24:22 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-09-28 07:29:39 +0200
commit8076428f0c9f24d90270204fd39ccb11b83db71d (patch)
tree44544615f2c4e2fb105a52126e32a36dbf86f425
parentMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jac... (diff)
downloadlinux-8076428f0c9f24d90270204fd39ccb11b83db71d.tar.xz
linux-8076428f0c9f24d90270204fd39ccb11b83db71d.zip
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>
-rw-r--r--arch/s390/include/asm/processor.h2
-rw-r--r--arch/s390/kernel/process.c4
2 files changed, 1 insertions, 5 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index c25d57e0aad3..4cc9bf53074b 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -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);
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index bb32b8618bf6..8cd311fc432a 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -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)
{
}