CC: [email protected] TO: Sia Jee Heng <[email protected]> CC: "Li, Yifan" <[email protected]>
tree: https://github.com/intel/linux-intel-lts.git 5.4/yocto head: eeb611e5394c56d45c5cc8f7dc484c9f19e93143 commit: 2baf6e1cd6f179dd497cfc10294920e99bc3a66e [39/1142] dmaengine: dw-axi-dma: support slave dma mode :::::: branch date: 10 months ago :::::: commit date: 10 months ago config: powerpc-randconfig-s031-20210610 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/intel/linux-intel-lts/commit/2baf6e1cd6f179dd497cfc10294920e99bc3a66e git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-linux-intel-lts 5.4/yocto git checkout 2baf6e1cd6f179dd497cfc10294920e99bc3a66e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c:913:22: sparse: sparse: >> context imbalance in 'axi_chan_handle_err' - different lock contexts for >> basic block vim +/axi_chan_handle_err +913 drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 912 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 @913 static noinline void axi_chan_handle_err(struct axi_dma_chan *chan, u32 status) 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 914 { 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 915 struct virt_dma_desc *vd; 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 916 unsigned long flags; 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 917 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 918 spin_lock_irqsave(&chan->vc.lock, flags); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 919 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 920 axi_chan_disable(chan); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 921 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 922 /* The bad descriptor currently is in the head of vc list */ 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 923 vd = vchan_next_desc(&chan->vc); 2baf6e1cd6f179 Sia Jee Heng 2020-06-26 924 if (!vd) 2baf6e1cd6f179 Sia Jee Heng 2020-06-26 925 return; 2baf6e1cd6f179 Sia Jee Heng 2020-06-26 926 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 927 /* Remove the completed descriptor from issued list */ 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 928 list_del(&vd->node); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 929 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 930 /* WARN about bad descriptor */ 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 931 dev_err(chan2dev(chan), 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 932 "Bad descriptor submitted for %s, cookie: %d, irq: 0x%08x\n", 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 933 axi_chan_name(chan), vd->tx.cookie, status); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 934 axi_chan_list_dump_lli(chan, vd_to_axi_desc(vd)); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 935 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 936 vchan_cookie_complete(vd); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 937 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 938 /* Try to restart the controller */ 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 939 axi_chan_start_first_queued(chan); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 940 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 941 spin_unlock_irqrestore(&chan->vc.lock, flags); 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 942 } 1fe20f1b84548b Eugeniy Paltsev 2018-03-06 943 :::::: The code at line 913 was first introduced by commit :::::: 1fe20f1b84548bbcf48b6659ea171cd46618ea3a dmaengine: Introduce DW AXI DMAC driver :::::: TO: Eugeniy Paltsev <[email protected]> :::::: CC: Vinod Koul <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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