In the upstream kernel, by commit 5aec01b83 cpu_online_mask was replaced
with macros and new variables __cpu_online_mask was added instead of it.
Sadump uses cpu_online_mask to check the cpu was online or not,
therefore it also need __cpu_online_mask symbol for this in the latest
kernel.
Signed-off-by: Takao Indoh <indou.takao at jp.fujitsu.com>
---
makedumpfile.c | 9 +++++++--
makedumpfile.h | 1 +
sadump_info.c | 3 ++-
3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/makedumpfile.c b/makedumpfile.c
index 567ac5d..5f2ca7d 100644
--- a/makedumpfile.c
+++ b/makedumpfile.c
@@ -1519,8 +1519,13 @@ get_symbol_info(void)
SYMBOL_INIT(__per_cpu_load, "__per_cpu_load");
SYMBOL_INIT(__per_cpu_offset, "__per_cpu_offset");
SYMBOL_INIT(cpu_online_mask, "cpu_online_mask");
- if (SYMBOL(cpu_online_mask) == NOT_FOUND_SYMBOL)
- SYMBOL_INIT(cpu_online_mask, "cpu_online_map");
+ SYMBOL_INIT(__cpu_online_mask, "__cpu_online_mask");
+ if (SYMBOL(cpu_online_mask) == NOT_FOUND_SYMBOL) {
+ if (SYMBOL(__cpu_online_mask) == NOT_FOUND_SYMBOL)
+ SYMBOL_INIT(cpu_online_mask, "cpu_online_map");
+ else
+ SYMBOL_INIT(cpu_online_mask, "__cpu_online_mask");
+ }
SYMBOL_INIT(kexec_crash_image, "kexec_crash_image");
SYMBOL_INIT(node_remap_start_vaddr, "node_remap_start_vaddr");
SYMBOL_INIT(node_remap_end_vaddr, "node_remap_end_vaddr");
diff --git a/makedumpfile.h b/makedumpfile.h
index f4ba02d..704a6bc 100644
--- a/makedumpfile.h
+++ b/makedumpfile.h
@@ -1596,6 +1596,7 @@ struct symbol_table {
unsigned long long __per_cpu_offset;
unsigned long long __per_cpu_load;
unsigned long long cpu_online_mask;
+ unsigned long long __cpu_online_mask;
unsigned long long kexec_crash_image;
/*
diff --git a/sadump_info.c b/sadump_info.c
index 257f1be..7dd22e7 100644
--- a/sadump_info.c
+++ b/sadump_info.c
@@ -953,7 +953,8 @@ cpu_online_mask_init(void)
return FALSE;
}
- if (SIZE(cpumask) == NOT_FOUND_STRUCTURE)
+ if ((SIZE(cpumask) == NOT_FOUND_STRUCTURE) ||
+ (SYMBOL(__cpu_online_mask) != NOT_FOUND_SYMBOL))
cpu_online_mask_addr = SYMBOL(cpu_online_mask);
else {
--
2.9.5
