From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/s390/include/asm/maccess.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 arch/s390/include/asm/maccess.h (limited to 'arch/s390/include/asm/maccess.h') diff --git a/arch/s390/include/asm/maccess.h b/arch/s390/include/asm/maccess.h new file mode 100644 index 0000000000..50225940d9 --- /dev/null +++ b/arch/s390/include/asm/maccess.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_S390_MACCESS_H +#define __ASM_S390_MACCESS_H + +#include + +#define MEMCPY_REAL_SIZE PAGE_SIZE +#define MEMCPY_REAL_MASK PAGE_MASK + +struct iov_iter; + +extern unsigned long __memcpy_real_area; +extern pte_t *memcpy_real_ptep; +size_t memcpy_real_iter(struct iov_iter *iter, unsigned long src, size_t count); +int memcpy_real(void *dest, unsigned long src, size_t count); +#ifdef CONFIG_CRASH_DUMP +int copy_oldmem_kernel(void *dst, unsigned long src, size_t count); +#endif + +#endif /* __ASM_S390_MACCESS_H */ -- cgit v1.2.3