From fe4fced8f33870debdcc2e545d3f85160cd9c368 Mon Sep 17 00:00:00 2001 From: Thorsten Blum Date: Sun, 10 May 2026 11:43:37 -0400 Subject: [PATCH] printk: add print_hex_dump_devel() [ Upstream commit d134feeb5df33fbf77f482f52a366a44642dba09 ] Add print_hex_dump_devel() as the hex dump equivalent of pr_devel(), which emits output only when DEBUG is enabled, but keeps call sites compiled otherwise. Suggested-by: Herbert Xu Signed-off-by: Thorsten Blum Reviewed-by: John Ogness Signed-off-by: Herbert Xu Stable-dep-of: 177730a273b1 ("crypto: caam - guard HMAC key hex dumps in hash_digest_key") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- include/linux/printk.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/printk.h b/include/linux/printk.h index c3f1f7be301d..e31a3da5627a 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -608,6 +608,19 @@ static inline void print_hex_dump_debug(const char *prefix_str, int prefix_type, } #endif +#if defined(DEBUG) +#define print_hex_dump_devel(prefix_str, prefix_type, rowsize, \ + groupsize, buf, len, ascii) \ + print_hex_dump(KERN_DEBUG, prefix_str, prefix_type, rowsize, \ + groupsize, buf, len, ascii) +#else +static inline void print_hex_dump_devel(const char *prefix_str, int prefix_type, + int rowsize, int groupsize, + const void *buf, size_t len, bool ascii) +{ +} +#endif + /** * print_hex_dump_bytes - shorthand form of print_hex_dump_debug() with default * params