Re: [PATCH v4 3/3] net: unix: optimize wakeups in unix_dgram_recvmsg()

2015-10-09 Thread Jason Baron
On 10/09/2015 12:29 AM, kbuild test robot wrote: > Hi Jason, > > [auto build test ERROR on v4.3-rc3 -- if it's inappropriate base, please > ignore] > > config: x86_64-randconfig-i0-201540 (attached as .config) > reproduce: > # save the attached .config to linux build tree > make

Re: [PATCH v4 3/3] net: unix: optimize wakeups in unix_dgram_recvmsg()

2015-10-08 Thread kbuild test robot
Hi Jason, [auto build test ERROR on v4.3-rc3 -- if it's inappropriate base, please ignore] config: x86_64-randconfig-i0-201540 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): net/unix/af_

[PATCH v4 3/3] net: unix: optimize wakeups in unix_dgram_recvmsg()

2015-10-08 Thread Jason Baron
Now that connect() permanently registers a callback routine, we can induce extra overhead in unix_dgram_recvmsg(), which unconditionally wakes up its peer_wait queue on every receive. This patch makes the wakeup there conditional on there being waiters. Tested using: http://www.spinics.net/lists/n