Re: [resend PATCH] rxrpc: Neaten logging macros and add KERN_DEBUG logging level

From: Joe Perches
Date: Fri May 11 2018 - 12:29:41 EST


On Tue, 2018-03-27 at 11:52 -0700, Joe Perches wrote:
> When enabled, the current debug logging does not have a KERN_<LEVEL>.
> Add KERN_DEBUG to the logging macros.
>
> Miscellanea:
>
> o Remove #define redundancy and neaten the macros a bit

ping?

> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
>
> Resend of patch: https://lkml.org/lkml/2017/11/30/573
>
> No change in patch.
>
> David Howells is now a listed maintainer for net/rxrpc/ so he should receive
> this patch via get_maintainer
>
> net/rxrpc/ar-internal.h | 75 ++++++++++++++++++-------------------------------
> 1 file changed, 28 insertions(+), 47 deletions(-)
>
> diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
> index 416688381eb7..d4b53b2339b3 100644
> --- a/net/rxrpc/ar-internal.h
> +++ b/net/rxrpc/ar-internal.h
> @@ -1147,66 +1147,47 @@ static inline bool after_eq(u32 seq1, u32 seq2)
> */
> extern unsigned int rxrpc_debug;
>
> -#define dbgprintk(FMT,...) \
> - printk("[%-6.6s] "FMT"\n", current->comm ,##__VA_ARGS__)
> +#if defined(__KDEBUG) || defined(CONFIG_AF_RXRPC_DEBUG)
> +#define dbgprintk(fmt, ...) \
> + printk(KERN_DEBUG "[%-6.6s] " fmt "\n", current->comm, ##__VA_ARGS__)
> +#else
> +#define dbgprintk(fmt, ...) \
> + no_printk(KERN_DEBUG "[%-6.6s] " fmt "\n", current->comm, ##__VA_ARGS__)
> +#endif
>
> -#define kenter(FMT,...) dbgprintk("==> %s("FMT")",__func__ ,##__VA_ARGS__)
> -#define kleave(FMT,...) dbgprintk("<== %s()"FMT"",__func__ ,##__VA_ARGS__)
> -#define kdebug(FMT,...) dbgprintk(" "FMT ,##__VA_ARGS__)
> -#define kproto(FMT,...) dbgprintk("### "FMT ,##__VA_ARGS__)
> -#define knet(FMT,...) dbgprintk("@@@ "FMT ,##__VA_ARGS__)
> +#define kenter(fmt, ...) dbgprintk("==> %s(" fmt ")", __func__, ##__VA_ARGS__)
> +#define kleave(fmt, ...) dbgprintk("<== %s()" fmt "", __func__, ##__VA_ARGS__)
> +#define kdebug(fmt, ...) dbgprintk(" " fmt, ##__VA_ARGS__)
> +#define kproto(fmt, ...) dbgprintk("### " fmt, ##__VA_ARGS__)
> +#define knet(fmt, ...) dbgprintk("@@@ " fmt, ##__VA_ARGS__)
>
> +#if defined(__KDEBUG) || !defined(CONFIG_AF_RXRPC_DEBUG)
> +#define _enter(fmt, ...) kenter(fmt, ##__VA_ARGS__)
> +#define _leave(fmt, ...) kleave(fmt, ##__VA_ARGS__)
> +#define _debug(fmt, ...) kdebug(fmt, ##__VA_ARGS__)
> +#define _proto(fmt, ...) kproto(fmt, ##__VA_ARGS__)
> +#define _net(fmt, ...) knet(fmt, ##__VA_ARGS__)
>
> -#if defined(__KDEBUG)
> -#define _enter(FMT,...) kenter(FMT,##__VA_ARGS__)
> -#define _leave(FMT,...) kleave(FMT,##__VA_ARGS__)
> -#define _debug(FMT,...) kdebug(FMT,##__VA_ARGS__)
> -#define _proto(FMT,...) kproto(FMT,##__VA_ARGS__)
> -#define _net(FMT,...) knet(FMT,##__VA_ARGS__)
> +#else
>
> -#elif defined(CONFIG_AF_RXRPC_DEBUG)
> #define RXRPC_DEBUG_KENTER 0x01
> #define RXRPC_DEBUG_KLEAVE 0x02
> #define RXRPC_DEBUG_KDEBUG 0x04
> #define RXRPC_DEBUG_KPROTO 0x08
> #define RXRPC_DEBUG_KNET 0x10
>
> -#define _enter(FMT,...) \
> -do { \
> - if (unlikely(rxrpc_debug & RXRPC_DEBUG_KENTER)) \
> - kenter(FMT,##__VA_ARGS__); \
> -} while (0)
> -
> -#define _leave(FMT,...) \
> -do { \
> - if (unlikely(rxrpc_debug & RXRPC_DEBUG_KLEAVE)) \
> - kleave(FMT,##__VA_ARGS__); \
> -} while (0)
> -
> -#define _debug(FMT,...) \
> -do { \
> - if (unlikely(rxrpc_debug & RXRPC_DEBUG_KDEBUG)) \
> - kdebug(FMT,##__VA_ARGS__); \
> -} while (0)
> -
> -#define _proto(FMT,...) \
> -do { \
> - if (unlikely(rxrpc_debug & RXRPC_DEBUG_KPROTO)) \
> - kproto(FMT,##__VA_ARGS__); \
> +#define RXRPC_DEBUG(TYPE, type, fmt, ...) \
> +do { \
> + if (unlikely(rxrpc_debug & RXRPC_DEBUG_##TYPE)) \
> + type(fmt, ##__VA_ARGS__); \
> } while (0)
>
> -#define _net(FMT,...) \
> -do { \
> - if (unlikely(rxrpc_debug & RXRPC_DEBUG_KNET)) \
> - knet(FMT,##__VA_ARGS__); \
> -} while (0)
> +#define _enter(fmt, ...) RXRPC_DEBUG(KENTER, kenter, fmt, ##__VA_ARGS__)
> +#define _leave(fmt, ...) RXRPC_DEBUG(KLEAVE, kleave, fmt, ##__VA_ARGS__)
> +#define _debug(fmt, ...) RXRPC_DEBUG(KDEBUG, kdebug, fmt, ##__VA_ARGS__)
> +#define _proto(fmt, ...) RXRPC_DEBUG(KPROTO, kproto, fmt, ##__VA_ARGS__)
> +#define _net(fmt, ...) RXRPC_DEBUG(KNET, knet, fmt, ##__VA_ARGS__)
>
> -#else
> -#define _enter(FMT,...) no_printk("==> %s("FMT")",__func__ ,##__VA_ARGS__)
> -#define _leave(FMT,...) no_printk("<== %s()"FMT"",__func__ ,##__VA_ARGS__)
> -#define _debug(FMT,...) no_printk(" "FMT ,##__VA_ARGS__)
> -#define _proto(FMT,...) no_printk("### "FMT ,##__VA_ARGS__)
> -#define _net(FMT,...) no_printk("@@@ "FMT ,##__VA_ARGS__)
> #endif
>
> /*