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From 433a20c932a066bf113d98bba28715e172bbc05a Mon Sep 17 00:00:00 2001
From: Eugene Syromiatnikov <esyr@redhat.com>
Date: Thu, 14 Jun 2018 16:35:59 -0400
Subject: [PATCH] add Red Hat-specific taint flags
Message-id: <56f71e5f8cf63afd0cdb1c4550c625cc90d59a75.1528991395.git.esyr@redhat.com>
Patchwork-id: 8249
O-Subject: [kernel team] [RHEL8 PATCH v4 1/5] kernel: add Red Hat-specific taint flags
Bugzilla: 1559877
RH-Acked-by: Jiri Benc <jbenc@redhat.com>
RH-Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Based on RHEL 7 commit "Backport RH specific TAINT flags" by Prarit
Bhargava.
Upstream Status: RHEL only
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1559877
Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=16716594
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Signed-off-by: Herton R. Krzesinski <herton@redhat.com>
---
include/linux/kernel.h | 19 ++++++++++++++++++-
kernel/panic.c | 14 ++++++++++++++
2 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2cb1c4fea0c9..c041d4e950f4 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -595,7 +595,24 @@ extern enum system_states {
#define TAINT_LIVEPATCH 15
#define TAINT_AUX 16
#define TAINT_RANDSTRUCT 17
-#define TAINT_FLAGS_COUNT 18
+/* Start of Red Hat-specific taint flags */
+#define TAINT_18 18
+#define TAINT_19 19
+#define TAINT_20 20
+#define TAINT_21 21
+#define TAINT_22 22
+#define TAINT_23 23
+#define TAINT_24 24
+#define TAINT_25 25
+#define TAINT_26 26
+#define TAINT_27 27
+/* Bits 28 - 31 are reserved for Red Hat use only */
+#define TAINT_RESERVED28 28
+#define TAINT_RESERVED29 29
+#define TAINT_RESERVED30 30
+#define TAINT_RESERVED31 31
+/* End of Red Hat-specific taint flags */
+#define TAINT_FLAGS_COUNT 32
struct taint_flag {
char c_true; /* character printed when tainted */
diff --git a/kernel/panic.c b/kernel/panic.c
index b69ee9e76cb2..02f9b2c36cc1 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -376,6 +376,20 @@ const struct taint_flag taint_flags[TAINT_FLAGS_COUNT] = {
[ TAINT_LIVEPATCH ] = { 'K', ' ', true },
[ TAINT_AUX ] = { 'X', ' ', true },
[ TAINT_RANDSTRUCT ] = { 'T', ' ', true },
+ [ TAINT_18 ] = { '?', '-', false },
+ [ TAINT_19 ] = { '?', '-', false },
+ [ TAINT_20 ] = { '?', '-', false },
+ [ TAINT_21 ] = { '?', '-', false },
+ [ TAINT_22 ] = { '?', '-', false },
+ [ TAINT_23 ] = { '?', '-', false },
+ [ TAINT_24 ] = { '?', '-', false },
+ [ TAINT_25 ] = { '?', '-', false },
+ [ TAINT_26 ] = { '?', '-', false },
+ [ TAINT_27 ] = { '?', '-', false },
+ [ TAINT_RESERVED28 ] = { '?', '-', false },
+ [ TAINT_RESERVED29 ] = { '?', '-', false },
+ [ TAINT_RESERVED30 ] = { '?', '-', false },
+ [ TAINT_RESERVED31 ] = { '?', '-', false },
};
/**
--
2.26.2
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