Hi, [auto build test WARNING on ntb/ntb-next] [cannot apply to v4.7 next-20160727] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Serge-Semin/ntb-Asynchronous-NTB-devices-support/20160727-082033 base: https://github.com/jonmason/ntb ntb-next config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sparc64 All warnings (new ones prefixed by >>): drivers/ntb/hw/idt/ntb_hw_idt.c: In function 'idt_ntb_setmw': >> drivers/ntb/hw/idt/ntb_hw_idt.c:1170:56: warning: right shift count >= width >> of type [-Wshift-count-overflow] idt_ntb_writereg(cfg, IDT_NT_PCI_LUTMDATA, (u32)(addr >> 32)); ^ vim +1170 drivers/ntb/hw/idt/ntb_hw_idt.c 1154 1155 /* Collect the Lookup table offset */ 1156 idt_ntb_writefld_var(&lut_indxbar, IDT_NT_LUT_INDEX, 1157 ndev->mw_self_offset + mwindx); 1158 idt_ntb_writefld_var(&lut_indxbar, IDT_NT_LUT_BAR, BAR2); 1159 1160 /* Collect the Lookup table entry partition and valid bits */ 1161 idt_ntb_writefld_var(&lut_partval, IDT_NT_LUT_PART, ndev->part); 1162 idt_ntb_writefld_var(&lut_partval, IDT_NT_LUT_VALID, ON); 1163 1164 /* Start critical section writing to the local port Lookup table */ 1165 spin_lock_irqsave(&pdata->lut_lock, irqflags); 1166 /* Write the data to the Lookup table registers of the peer */ 1167 idt_ntb_writereg(cfg, IDT_NT_PCI_LUTOFFSET, lut_indxbar); 1168 idt_ntb_writereg(cfg, IDT_NT_PCI_LUTLDATA, (u32)addr); 1169 #ifdef CONFIG_64BIT > 1170 idt_ntb_writereg(cfg, IDT_NT_PCI_LUTMDATA, (u32)(addr >> 32)); 1171 #else 1172 idt_ntb_writereg(cfg, IDT_NT_PCI_LUTMDATA, (u32)0); 1173 #endif /* !CONFIG_64BIT */ 1174 idt_ntb_writereg(cfg, IDT_NT_PCI_LUTUDATA, lut_partval); 1175 /* Finally unlock the Lookup table */ 1176 spin_unlock_irqrestore(&pdata->lut_lock, irqflags); 1177 1178 return SUCCESS; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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