On Fri, 2019-02-15 at 10:22 -0800, Eric Dumazet wrote: > On Fri, Feb 15, 2019 at 10:13 AM Cong Wang <xiyou.wangc...@gmail.com> wrote: > > On Fri, Feb 15, 2019 at 8:26 AM Eric Dumazet <eduma...@google.com> wrote: > > > On Fri, Feb 15, 2019 at 6:50 AM Yafang Shao <laoar.s...@gmail.com> wrote: > > > > As SOCK_DEBUG() isn't used any more, we can get ride of it now. > > > > > > > > > > No, we are still using this infrastructure from time to time. > > > > > > I told you I agreed to remove the current (obsolete) TCP call sites, > > > I never suggested to remove SOCK_DEBUG() completely. > > > > Since when do we upstream care about any out-of-tree users? > > > > You can always carry a patch to keep it downstream if you want, > > no one can stop you doing it. > > Somehow the patch series seems to present things in this way : > > Eric Dumazet suggested to remove completely the SOCK_DEBUG() interface.
Well, you kinda did. It's certainly reasonable to interpret what you wrote as such. On Tue, 2019-02-12 at 18:15 -0800, Eric Dumazet wrote: > Just remove all SOCK_DEBUG() calls, there are leftovers of very ancient times. My suggestion would be to undefine SOCK_DEBUGGING. Something like: --- include/net/sock.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/include/net/sock.h b/include/net/sock.h index 328cb7cb7b0b..7e39bdfa342a 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -81,14 +81,17 @@ */ /* Define this to get the SOCK_DBG debugging facility. */ -#define SOCK_DEBUGGING +/* #define SOCK_DEBUGGING */ #ifdef SOCK_DEBUGGING -#define SOCK_DEBUG(sk, msg...) do { if ((sk) && sock_flag((sk), SOCK_DBG)) \ - printk(KERN_DEBUG msg); } while (0) +#define SOCK_DEBUG(sk, fmt, ...) \ +do { \ + if ((sk) && sock_flag((sk), SOCK_DBG)) \ + printk(KERN_DEBUG fmt, ##__VA_ARGS__); \ +} while (0) #else /* Validate arguments and do nothing */ -static inline __printf(2, 3) -void SOCK_DEBUG(const struct sock *sk, const char *msg, ...) +__printf(2, 3) +static inline void SOCK_DEBUG(const struct sock *sk, const char *fmt, ...) { } #endif