[PATCH v4 02/11] crashdump/arm64: Add get_crash_kernel_load_range() function

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

Signed-off-by: Eric DeVolder <eric.devolder at oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper at oracle.com>
---
v4: Incorporated feedback:
    - Changed commit description to make it clear that
      get_crash_kernel_load_range() is a stub
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
      result.
v2: Incorporated feedback:
    - unsupported architectures, print appropriate message
v1: Posted to kexec-tools mailing list
---
 kexec/arch/arm64/crashdump-arm64.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/kexec/arch/arm64/crashdump-arm64.c b/kexec/arch/arm64/crashdump-arm64.c
index d2272c8..b0e4713 100644
--- a/kexec/arch/arm64/crashdump-arm64.c
+++ b/kexec/arch/arm64/crashdump-arm64.c
@@ -19,3 +19,9 @@ int is_crashkernel_mem_reserved(void)
 {
 	return 0;
 }
+
+int get_crash_kernel_load_range(uint64_t *start, uint64_t *end)
+{
+	/* Crash kernel region size is not exposed by the system */
+	return -1;
+}
-- 
2.7.4




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