[RFC][PATCH v2 10/29] panic: Annotate static information into Kmemdump

[Eugen Hristev]

Annotate vital static information into kmemdump:
 - tainted_mask
 - taint_flags

Information on these variables is stored into dedicated kmemdump section.

Signed-off-by: Eugen Hristev <eugen.hristev at linaro.org>
---
 kernel/panic.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/panic.c b/kernel/panic.c
index ccee04378d2e..fb561a2fdb59 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -39,6 +39,7 @@
 #include <linux/sys_info.h>
 #include <trace/events/error_report.h>
 #include <asm/sections.h>
+#include <linux/kmemdump.h>
 
 #define PANIC_TIMER_STEP 100
 #define PANIC_BLINK_SPD 18
@@ -56,6 +57,7 @@ static unsigned int __read_mostly sysctl_oops_all_cpu_backtrace;
 int panic_on_oops = CONFIG_PANIC_ON_OOPS_VALUE;
 static unsigned long tainted_mask =
 	IS_ENABLED(CONFIG_RANDSTRUCT) ? (1 << TAINT_RANDSTRUCT) : 0;
+KMEMDUMP_VAR_CORE(tainted_mask, sizeof(tainted_mask));
 static int pause_on_oops;
 static int pause_on_oops_flag;
 static DEFINE_SPINLOCK(pause_on_oops_lock);
@@ -601,6 +603,8 @@ const struct taint_flag taint_flags[TAINT_FLAGS_COUNT] = {
 	TAINT_FLAG(FWCTL,			'J', ' ', true),
 };
 
+KMEMDUMP_VAR_CORE(taint_flags, sizeof(taint_flags));
+
 #undef TAINT_FLAG
 
 static void print_tainted_seq(struct seq_buf *s, bool verbose)
-- 
2.43.0