linux-kernel - [PATCH 14/26] panic: Annotate static information into meminspect

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Message-ID: <20251119154427.1033475-15-eugen.hristev@linaro.org>
Date: Wed, 19 Nov 2025 17:44:15 +0200
From: Eugen Hristev <eugen.hristev@...aro.org>
To: linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	tglx@...utronix.de,
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Cc: tudor.ambarus@...aro.org,
	mukesh.ojha@....qualcomm.com,
	linux-arm-kernel@...ts.infradead.org,
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	Eugen Hristev <eugen.hristev@...aro.org>
Subject: [PATCH 14/26] panic: Annotate static information into meminspect

Annotate vital static information into inspection table:
 - tainted_mask
 - taint_flags

Information on these variables is stored into dedicated inspection section.

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

diff --git a/kernel/panic.c b/kernel/panic.c
index 24cc3eec1805..e99539e18054 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -37,6 +37,7 @@
 #include <linux/context_tracking.h>
 #include <linux/seq_buf.h>
 #include <linux/sys_info.h>
+#include <linux/meminspect.h>
 #include <trace/events/error_report.h>
 #include <asm/sections.h>
 
@@ -56,6 +57,7 @@ static unsigned int __read_mostly sysctl_oops_all_cpu_backtrace;
 int panic_on_oops = IS_ENABLED(CONFIG_PANIC_ON_OOPS);
 static unsigned long tainted_mask =
 	IS_ENABLED(CONFIG_RANDSTRUCT) ? (1 << TAINT_RANDSTRUCT) : 0;
+MEMINSPECT_SIMPLE_ENTRY(tainted_mask);
 static int pause_on_oops;
 static int pause_on_oops_flag;
 static DEFINE_SPINLOCK(pause_on_oops_lock);
@@ -662,6 +664,8 @@ const struct taint_flag taint_flags[TAINT_FLAGS_COUNT] = {
 	TAINT_FLAG(FWCTL,			'J', ' ', true),
 };
 
+MEMINSPECT_SIMPLE_ENTRY(taint_flags);
+
 #undef TAINT_FLAG
 
 static void print_tainted_seq(struct seq_buf *s, bool verbose)
-- 
2.43.0