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| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2011-10-30 15:16:39 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:42 +0100 |
| commit | 7f0bf656c66e4292e965c95fd9de55c72b6578bb (patch) | |
| tree | 5940a3c7ce75d64deb03a0a4f2199f64c497c1bf /arch/s390/include | |
| parent | 1943f53c9ca182fa233e5a17e89ef8e421d7819e (diff) | |
| download | linux-rt-7f0bf656c66e4292e965c95fd9de55c72b6578bb.tar.gz | |
[S390] Add real memory access functions
Add access function for real memory needed by s390 kdump backend.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/system.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h index 6582f69f2389..afb849e4bf4b 100644 --- a/arch/s390/include/asm/system.h +++ b/arch/s390/include/asm/system.h @@ -114,6 +114,8 @@ extern void pfault_fini(void); extern void cmma_init(void); extern int memcpy_real(void *, void *, size_t); extern void copy_to_absolute_zero(void *dest, void *src, size_t count); +extern int copy_to_user_real(void __user *dest, void *src, size_t count); +extern int copy_from_user_real(void *dest, void __user *src, size_t count); #define finish_arch_switch(prev) do { \ set_fs(current->thread.mm_segment); \ |