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authorJani Nikula <jani.nikula@intel.com>2024-05-31 12:04:57 +0300
committerAndrew Morton <akpm@linux-foundation.org>2024-06-24 22:25:05 -0700
commit2f183c68345a26213e5e7f798399bee68d1c4a97 (patch)
tree5d7d4456ce6c162f049c2d89614c2bae52195276 /lib/dump_stack.c
parentf36fc96c15bd860776ffc66e53bdeeb791b6f442 (diff)
kernel/panic: add verbose logging of kernel taints in backtraces
With nearly 20 taint flags and respective characters, it's getting a bit difficult to remember what each taint flag character means. Add verbose logging of the set taints in the format: Tainted: [P]=PROPRIETARY_MODULE, [W]=WARN in dump_stack_print_info() when there are taints. Note that the "negative flag" G is not included. Link: https://lkml.kernel.org/r/7321e306166cb2ca2807ab8639e665baa2462e9c.1717146197.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/dump_stack.c')
-rw-r--r--lib/dump_stack.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index 222c6d6c8281..8b6b70eaf949 100644
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -62,6 +62,9 @@ void dump_stack_print_info(const char *log_lvl)
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version, BUILD_ID_VAL);
+ if (get_taint())
+ printk("%s%s\n", log_lvl, print_tainted_verbose());
+
if (dump_stack_arch_desc_str[0] != '\0')
printk("%sHardware name: %s\n",
log_lvl, dump_stack_arch_desc_str);