aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm
diff options
context:
space:
mode:
authorAlexander Gordeev <agordeev@linux.ibm.com>2022-09-08 14:23:02 +0200
committerVasily Gorbik <gor@linux.ibm.com>2022-09-14 16:46:01 +0200
commitfba07cd4dd8fb4833015801a83f945b2d65a5c4b (patch)
tree08701a6de4af267d6e035ce3101cca9da8b7569a /arch/s390/include/asm
parents390/mm,ptdump: add real memory copy page markers (diff)
downloadlinux-dev-fba07cd4dd8fb4833015801a83f945b2d65a5c4b.tar.xz
linux-dev-fba07cd4dd8fb4833015801a83f945b2d65a5c4b.zip
s390/mm: uninline copy_oldmem_kernel() function
Uninline copy_oldmem_kernel() function and make it consistent with a very similar memcpy_real() implementation, by moving to code to crash_dump.c, where it actually belongs. Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r--arch/s390/include/asm/maccess.h3
-rw-r--r--arch/s390/include/asm/os_info.h14
2 files changed, 3 insertions, 14 deletions
diff --git a/arch/s390/include/asm/maccess.h b/arch/s390/include/asm/maccess.h
index 21ebd9bf34cc..c7fa838cf6b9 100644
--- a/arch/s390/include/asm/maccess.h
+++ b/arch/s390/include/asm/maccess.h
@@ -10,5 +10,8 @@ extern unsigned long __memcpy_real_area;
void memcpy_real_init(void);
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 */
diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h
index 85248d8fee0c..0d1c74a7a650 100644
--- a/arch/s390/include/asm/os_info.h
+++ b/arch/s390/include/asm/os_info.h
@@ -41,20 +41,6 @@ u32 os_info_csum(struct os_info *os_info);
#ifdef CONFIG_CRASH_DUMP
void *os_info_old_entry(int nr, unsigned long *size);
-size_t copy_oldmem_iter(struct iov_iter *iter, unsigned long src, size_t count);
-
-static inline int copy_oldmem_kernel(void *dst, unsigned long src, size_t count)
-{
- struct iov_iter iter;
- struct kvec kvec;
-
- kvec.iov_base = dst;
- kvec.iov_len = count;
- iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
- if (copy_oldmem_iter(&iter, src, count) < count)
- return -EFAULT;
- return 0;
-}
#else
static inline void *os_info_old_entry(int nr, unsigned long *size)
{