linux/arch/s390/kernel/facility.c
Heiko Carstens 65c9a9f925 s390: Explicitly include <linux/export.h>
Explicitly include <linux/export.h> in files which contain an
EXPORT_SYMBOL().

See commit a934a57a42 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1") for more details.

Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
2025-06-17 18:18:02 +02:00

22 lines
347 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2023
*/
#include <linux/export.h>
#include <asm/facility.h>
unsigned int stfle_size(void)
{
static unsigned int size;
unsigned int r;
u64 dummy;
r = READ_ONCE(size);
if (!r) {
r = __stfle_asm(&dummy, 1) + 1;
WRITE_ONCE(size, r);
}
return r;
}
EXPORT_SYMBOL(stfle_size);