Re: [PATCH] sunrpc: fix waitqueue_active without memory barrier in sunrpc

2015-10-08 Thread kbuild test robot
Hi Kosuke, [auto build test WARNING on v4.3-rc4 -- if it's inappropriate base, please ignore] config: x86_64-randconfig-x002-201540 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In

Re: [PATCH] sunrpc: fix waitqueue_active without memory barrier in sunrpc

2015-10-08 Thread kbuild test robot
Hi Kosuke, [auto build test WARNING on v4.3-rc4 -- if it's inappropriate base, please ignore] reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> net/sunrpc/svcsock.c:417:28:

[PATCH] sunrpc: fix waitqueue_active without memory barrier in sunrpc

2015-10-08 Thread Kosuke Tatsukawa
There are several places in net/sunrpc/svcsock.c which calls waitqueue_active() without calling a memory barrier. Change the code to call wq_has_sleeper() instead, which other networking code uses in similar places. I found this issue when I was looking through the linux source code for places

Re: [PATCH] sunrpc: fix waitqueue_active without memory barrier in sunrpc

2015-10-08 Thread kbuild test robot
Hi Kosuke, [auto build test WARNING on v4.3-rc4 -- if it's inappropriate base, please ignore] config: xtensa-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x