lib/dump_stack: Use preempt_model_str()

Use preempt_model_str() to print the current preemption model. Use
pr_warn() instead of printk() to pass a loglevel. This makes it part of
generic WARN/ BUG traces.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250314160810.2373416-3-bigeasy@linutronix.de

diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index 388da1aea14a5b48af6cffea36e47b792a4ee49e..b3a85fe8b673e2090b718b7d490de145fec5b05b 100644 (file)
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -54,7 +54,7 @@ void __init dump_stack_set_arch_desc(const char *fmt, ...)
  */
 void dump_stack_print_info(const char *log_lvl)
 {
-       printk("%sCPU: %d UID: %u PID: %d Comm: %.20s %s%s %s %.*s" BUILD_ID_FMT "\n",
+       printk("%sCPU: %d UID: %u PID: %d Comm: %.20s %s%s %s %.*s %s " BUILD_ID_FMT "\n",
               log_lvl, raw_smp_processor_id(),
               __kuid_val(current_real_cred()->euid),
               current->pid, current->comm,
@@ -62,7 +62,7 @@ void dump_stack_print_info(const char *log_lvl)
               print_tainted(),
               init_utsname()->release,
               (int)strcspn(init_utsname()->version, " "),
-              init_utsname()->version, BUILD_ID_VAL);
+              init_utsname()->version, preempt_model_str(), BUILD_ID_VAL);
 
        if (get_taint())
                printk("%s%s\n", log_lvl, print_tainted_verbose());