Thread (24 messages) 24 messages, 2 authors, 17h ago
HOTtoday REVIEWED: 1 (0M)
Revisions (4)
  1. rfc [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current

[PATCH v4 01/17] rv: Use generic rv_this for the rv_monitor variable in LTL

From: Gabriele Monaco <gmonaco@redhat.com>
Date: 2026-07-17 15:47:12
Also in: lkml
Subsystem: runtime verification (rv), the rest, tracing · Maintainers: Steven Rostedt, Gabriele Monaco, Linus Torvalds, Masami Hiramatsu

Align the rv_monitor variable name in LTL to the generic rv_this as it
is already done for DA/HA monitors. This improves consistency and eases
assumptions across model classes.

Reviewed-by: Nam Cao <redacted>
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
---
 include/rv/ltl_monitor.h                              | 5 ++---
 kernel/trace/rv/monitors/pagefault/pagefault.c        | 6 +++---
 kernel/trace/rv/monitors/sleep/sleep.c                | 6 +++---
 tools/verification/rvgen/rvgen/templates/ltl2k/main.c | 6 +++---
 4 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/include/rv/ltl_monitor.h b/include/rv/ltl_monitor.h
index 38e792401f76..56e83edcf0c4 100644
--- a/include/rv/ltl_monitor.h
+++ b/include/rv/ltl_monitor.h
@@ -16,8 +16,7 @@
 #error "Please include $(MODEL_NAME).h generated by rvgen"
 #endif
 
-#define RV_MONITOR_NAME CONCATENATE(rv_, MONITOR_NAME)
-static struct rv_monitor RV_MONITOR_NAME;
+static struct rv_monitor rv_this;
 
 static int ltl_monitor_slot = RV_PER_TASK_MONITOR_INIT;
 
@@ -85,7 +84,7 @@ static void ltl_monitor_destroy(void)
 static void ltl_illegal_state(struct task_struct *task, struct ltl_monitor *mon)
 {
 	CONCATENATE(trace_error_, MONITOR_NAME)(task);
-	rv_react(&RV_MONITOR_NAME, "rv: "__stringify(MONITOR_NAME)": %s[%d]: violation detected\n",
+	rv_react(&rv_this, "rv: "__stringify(MONITOR_NAME)": %s[%d]: violation detected\n",
 		 task->comm, task->pid);
 }
 
diff --git a/kernel/trace/rv/monitors/pagefault/pagefault.c b/kernel/trace/rv/monitors/pagefault/pagefault.c
index 9fe6123b2200..5e1a2a606783 100644
--- a/kernel/trace/rv/monitors/pagefault/pagefault.c
+++ b/kernel/trace/rv/monitors/pagefault/pagefault.c
@@ -63,7 +63,7 @@ static void disable_pagefault(void)
 	ltl_monitor_destroy();
 }
 
-static struct rv_monitor rv_pagefault = {
+static struct rv_monitor rv_this = {
 	.name = "pagefault",
 	.description = "Monitor that RT tasks do not raise page faults",
 	.enable = enable_pagefault,
@@ -72,12 +72,12 @@ static struct rv_monitor rv_pagefault = {
 
 static int __init register_pagefault(void)
 {
-	return rv_register_monitor(&rv_pagefault, &rv_rtapp);
+	return rv_register_monitor(&rv_this, &rv_rtapp);
 }
 
 static void __exit unregister_pagefault(void)
 {
-	rv_unregister_monitor(&rv_pagefault);
+	rv_unregister_monitor(&rv_this);
 }
 
 module_init(register_pagefault);
diff --git a/kernel/trace/rv/monitors/sleep/sleep.c b/kernel/trace/rv/monitors/sleep/sleep.c
index 8dfe5ec13e19..12328ce663f5 100644
--- a/kernel/trace/rv/monitors/sleep/sleep.c
+++ b/kernel/trace/rv/monitors/sleep/sleep.c
@@ -224,7 +224,7 @@ static void disable_sleep(void)
 	ltl_monitor_destroy();
 }
 
-static struct rv_monitor rv_sleep = {
+static struct rv_monitor rv_this = {
 	.name = "sleep",
 	.description = "Monitor that RT tasks do not undesirably sleep",
 	.enable = enable_sleep,
@@ -233,12 +233,12 @@ static struct rv_monitor rv_sleep = {
 
 static int __init register_sleep(void)
 {
-	return rv_register_monitor(&rv_sleep, &rv_rtapp);
+	return rv_register_monitor(&rv_this, &rv_rtapp);
 }
 
 static void __exit unregister_sleep(void)
 {
-	rv_unregister_monitor(&rv_sleep);
+	rv_unregister_monitor(&rv_this);
 }
 
 module_init(register_sleep);
diff --git a/tools/verification/rvgen/rvgen/templates/ltl2k/main.c b/tools/verification/rvgen/rvgen/templates/ltl2k/main.c
index f85d076fbf78..31258b9ea083 100644
--- a/tools/verification/rvgen/rvgen/templates/ltl2k/main.c
+++ b/tools/verification/rvgen/rvgen/templates/ltl2k/main.c
@@ -77,7 +77,7 @@ static void disable_%%MODEL_NAME%%(void)
 /*
  * This is the monitor register section.
  */
-static struct rv_monitor rv_%%MODEL_NAME%% = {
+static struct rv_monitor rv_this = {
 	.name = "%%MODEL_NAME%%",
 	.description = "%%DESCRIPTION%%",
 	.enable = enable_%%MODEL_NAME%%,
@@ -86,12 +86,12 @@ static struct rv_monitor rv_%%MODEL_NAME%% = {
 
 static int __init register_%%MODEL_NAME%%(void)
 {
-	return rv_register_monitor(&rv_%%MODEL_NAME%%, %%PARENT%%);
+	return rv_register_monitor(&rv_this, %%PARENT%%);
 }
 
 static void __exit unregister_%%MODEL_NAME%%(void)
 {
-	rv_unregister_monitor(&rv_%%MODEL_NAME%%);
+	rv_unregister_monitor(&rv_this);
 }
 
 module_init(register_%%MODEL_NAME%%);
-- 
2.55.0
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