diff options
| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2013-09-11 23:24:54 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-12 00:59:15 +0200 |
| commit | 6f79d33228fa7cf900826738a39f287cae96cd91 (patch) | |
| tree | 219851a19eb86c91c77241cb00b3889719fdab23 /drivers/s390 | |
| parent | vmcore: enable /proc/vmcore mmap for s390 (diff) | |
| download | linux-6f79d33228fa7cf900826738a39f287cae96cd91.tar.xz linux-6f79d33228fa7cf900826738a39f287cae96cd91.zip | |
s390/vmcore: use vmcore for zfcpdump
Modify the s390 copy_oldmem_page() and remap_oldmem_pfn_range() function
for zfcpdump to read from the HSA memory if memory below HSA_SIZE bytes is
requested. Otherwise real memory is used.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
Cc: Jan Willeke <willeke@de.ibm.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/zcore.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 9e5e14686e75..794820a123d0 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -30,8 +30,8 @@ #define TRACE(x...) debug_sprintf_event(zcore_dbf, 1, x) -#define TO_USER 0 -#define TO_KERNEL 1 +#define TO_USER 1 +#define TO_KERNEL 0 #define CHUNK_INFO_SIZE 34 /* 2 16-byte char, each followed by blank */ enum arch_id { @@ -73,7 +73,7 @@ static struct ipl_parameter_block *ipl_block; * @count: Size of buffer, which should be copied * @mode: Either TO_KERNEL or TO_USER */ -static int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode) +int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode) { int offs, blk_num; static char buf[PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE))); |