[PATCH v4 09/11] crashdump/s390: Add get_crash_kernel_load_range() function

Eric DeVolder eric.devolder at oracle.com
Tue Feb 14 13:09:21 PST 2017

From: Daniel Kiper <daniel.kiper at oracle.com>

Implement get_crash_kernel_load_range() in support of
print crash kernel region size option.

Signed-off-by: Daniel Kiper <daniel.kiper at oracle.com>
Signed-off-by: Eric DeVolder <eric.devolder at oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper at oracle.com>
v4: Incorporated feedback:
    - no changes for this arch
v3: Incorporated feedback:
    - changes for coding convention and formatting
    - restructured to introduce get_crash_kernel_load_range() for each
      architecture, and then a single function in kexec/kexec.c to call
      the per-architecture get_crash_kernel_load_range() and print the
    - print_crashkernel_region_size() changed to get_crash_kernel_load_range()
v2: Incorporated feedback:
    - no changes for this arch
v1: Posted to kexec-tools mailing list
 kexec/arch/s390/kexec-s390.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kexec/arch/s390/kexec-s390.c b/kexec/arch/s390/kexec-s390.c
index 074575e..f863483 100644
--- a/kexec/arch/s390/kexec-s390.c
+++ b/kexec/arch/s390/kexec-s390.c
@@ -262,3 +262,8 @@ int is_crashkernel_mem_reserved(void)
 	return parse_iomem_single("Crash kernel\n", &start, &end) == 0 ?
 		(start != end) : 0;
+int get_crash_kernel_load_range(uint64_t *start, uint64_t *end)
+	return parse_iomem_single("Crash kernel\n", start, end);

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