diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2021-07-05 20:38:36 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-07-08 22:12:18 +0200 |
| commit | 0f541cc20129b8529c33f8aa42734f8bdd006582 (patch) | |
| tree | e6c5ab155780c30bfae4fda13227deb5ef228477 /arch/s390/kernel | |
| parent | 845370f47fa0833d1b39be189c8bfea29a78ecc0 (diff) | |
s390/smp: use call_on_stack() macro
Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/smp.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index ff42d3aa0f00..8db0f9fcbbdd 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -300,24 +300,28 @@ static void pcpu_start_fn(struct pcpu *pcpu, void (*func)(void *), void *data) pcpu_sigp_retry(pcpu, SIGP_RESTART, 0); } +typedef void (pcpu_delegate_fn)(void *); + /* * Call function via PSW restart on pcpu and stop the current cpu. */ -static void __pcpu_delegate(void (*func)(void*), void *data) +static void __pcpu_delegate(pcpu_delegate_fn *func, void *data) { func(data); /* should not return */ } static void __no_sanitize_address pcpu_delegate(struct pcpu *pcpu, - void (*func)(void *), + pcpu_delegate_fn *func, void *data, unsigned long stack) { struct lowcore *lc = lowcore_ptr[pcpu - pcpu_devices]; unsigned long source_cpu = stap(); __load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_DAT); - if (pcpu->address == source_cpu) - CALL_ON_STACK(__pcpu_delegate, stack, 2, func, data); + if (pcpu->address == source_cpu) { + call_on_stack(2, stack, void, __pcpu_delegate, + pcpu_delegate_fn *, func, void *, data); + } /* Stop target cpu (if func returns this stops the current cpu). */ pcpu_sigp_retry(pcpu, SIGP_STOP, 0); /* Restart func on the target cpu and stop the current cpu. */ |