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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /arch/s390/kernel/crash_dump.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'arch/s390/kernel/crash_dump.c')
-rw-r--r--arch/s390/kernel/crash_dump.c38
1 files changed, 7 insertions, 31 deletions
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index 49b74454d..0c6c01eb3 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -33,42 +33,18 @@ static struct memblock_type oldmem_type = {
};
#define for_each_dump_mem_range(i, nid, p_start, p_end, p_nid) \
- for (i = 0, __next_mem_range(&i, nid, &memblock.physmem, \
+ for (i = 0, __next_mem_range(&i, nid, MEMBLOCK_NONE, \
+ &memblock.physmem, \
&oldmem_type, p_start, \
p_end, p_nid); \
i != (u64)ULLONG_MAX; \
- __next_mem_range(&i, nid, &memblock.physmem, \
+ __next_mem_range(&i, nid, MEMBLOCK_NONE, &memblock.physmem,\
&oldmem_type, \
p_start, p_end, p_nid))
struct dump_save_areas dump_save_areas;
/*
- * Allocate and add a save area for a CPU
- */
-struct save_area_ext *dump_save_area_create(int cpu)
-{
- struct save_area_ext **save_areas, *save_area;
-
- save_area = kmalloc(sizeof(*save_area), GFP_KERNEL);
- if (!save_area)
- return NULL;
- if (cpu + 1 > dump_save_areas.count) {
- dump_save_areas.count = cpu + 1;
- save_areas = krealloc(dump_save_areas.areas,
- dump_save_areas.count * sizeof(void *),
- GFP_KERNEL | __GFP_ZERO);
- if (!save_areas) {
- kfree(save_area);
- return NULL;
- }
- dump_save_areas.areas = save_areas;
- }
- dump_save_areas.areas[cpu] = save_area;
- return save_area;
-}
-
-/*
* Return physical address for virtual address
*/
static inline void *load_real_addr(void *addr)
@@ -122,7 +98,7 @@ static ssize_t copy_oldmem_page_zfcpdump(char *buf, size_t csize,
{
int rc;
- if (src < sclp_get_hsa_size()) {
+ if (src < sclp.hsa_size) {
rc = memcpy_hsa(buf, src, csize, userbuf);
} else {
if (userbuf)
@@ -215,7 +191,7 @@ static int remap_oldmem_pfn_range_zfcpdump(struct vm_area_struct *vma,
unsigned long pfn,
unsigned long size, pgprot_t prot)
{
- unsigned long hsa_end = sclp_get_hsa_size();
+ unsigned long hsa_end = sclp.hsa_size;
unsigned long size_hsa;
if (pfn < hsa_end >> PAGE_SHIFT) {
@@ -258,7 +234,7 @@ int copy_from_oldmem(void *dest, void *src, size_t count)
return rc;
}
} else {
- unsigned long hsa_end = sclp_get_hsa_size();
+ unsigned long hsa_end = sclp.hsa_size;
if ((unsigned long) src < hsa_end) {
copied = min(count, hsa_end - (unsigned long) src);
rc = memcpy_hsa(dest, (unsigned long) src, copied, 0);
@@ -609,7 +585,7 @@ int elfcorehdr_alloc(unsigned long long *addr, unsigned long long *size)
if (elfcorehdr_addr != ELFCORE_ADDR_MAX)
return 0;
/* If we cannot get HSA size for zfcpdump return error */
- if (ipl_info.type == IPL_TYPE_FCP_DUMP && !sclp_get_hsa_size())
+ if (ipl_info.type == IPL_TYPE_FCP_DUMP && !sclp.hsa_size)
return -ENODEV;
/* For kdump, exclude previous crashkernel memory */