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-rw-r--r--lib/vsprintf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 7eb6417b3aae..ac9f3207a8d6 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -2017,6 +2017,8 @@ static char *kobject_string(char *buf, char *end, void *ptr,
* - 'S' For symbolic direct pointers (or function descriptors) with offset
* - 's' For symbolic direct pointers (or function descriptors) without offset
* - '[Ss]R' as above with __builtin_extract_return_addr() translation
+ * - '[Ff]' %pf and %pF were obsoleted and later removed in favor of
+ * %ps and %pS. Be careful when re-using these specifiers.
* - 'B' For backtraced symbolic direct pointers with offset
* - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref]
* - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201]