tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: ec9c7d19336ee98ecba8de80128aa405c45feebb commit: 62c455ca853e3e352e465d66a6cc39f1f88caa60 [124/144] crypto: hisilicon - add HiSilicon ZIP accelerator support config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 62c455ca853e3e352e465d66a6cc39f1f88caa60 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): drivers/crypto/hisilicon/qm.c: In function 'qm_mb.constprop': >> drivers/crypto/hisilicon/qm.c:322:2: warning: asm operand 3 probably doesn't match constraints asm volatile("ldp %0, %1, %3\n" ^~~ drivers/crypto/hisilicon/qm.c:322:2: warning: asm operand 4 probably doesn't match constraints >> drivers/crypto/hisilicon/qm.c:322:2: error: impossible constraint in 'asm' -- drivers/crypto/hisilicon/sgl.c: In function 'hisi_acc_sg_buf_map_to_hw_sgl': >> drivers/crypto/hisilicon/sgl.c:181:14: warning: 'curr_sgl_dma' may be used uninitialized in this function [-Wmaybe-uninitialized] *hw_sgl_dma = curr_sgl_dma; ~~~~~~~~~~~~^~~~~~~~~~~~~~ vim +/asm +322 drivers/crypto/hisilicon/qm.c 263c9959c9376e Zhou Wang 2019-08-02 315 263c9959c9376e Zhou Wang 2019-08-02 316 /* 128 bit should be written to hardware at one time to trigger a mailbox */ 263c9959c9376e Zhou Wang 2019-08-02 317 static void qm_mb_write(struct hisi_qm *qm, const void *src) 263c9959c9376e Zhou Wang 2019-08-02 318 { 263c9959c9376e Zhou Wang 2019-08-02 319 void __iomem *fun_base = qm->io_base + QM_MB_CMD_SEND_BASE; 263c9959c9376e Zhou Wang 2019-08-02 320 unsigned long tmp0 = 0, tmp1 = 0; 263c9959c9376e Zhou Wang 2019-08-02 321 263c9959c9376e Zhou Wang 2019-08-02 @322 asm volatile("ldp %0, %1, %3\n" 263c9959c9376e Zhou Wang 2019-08-02 323 "stp %0, %1, %2\n" 263c9959c9376e Zhou Wang 2019-08-02 324 "dsb sy\n" 263c9959c9376e Zhou Wang 2019-08-02 325 : "=&r" (tmp0), 263c9959c9376e Zhou Wang 2019-08-02 326 "=&r" (tmp1), 263c9959c9376e Zhou Wang 2019-08-02 327 "+Q" (*((char *)fun_base)) 263c9959c9376e Zhou Wang 2019-08-02 328 : "Q" (*((char *)src)) 263c9959c9376e Zhou Wang 2019-08-02 329 : "memory"); 263c9959c9376e Zhou Wang 2019-08-02 330 } 263c9959c9376e Zhou Wang 2019-08-02 331 :::::: The code at line 322 was first introduced by commit :::::: 263c9959c9376ec0217d6adc61222a53469eed3c crypto: hisilicon - add queue management driver for HiSilicon QM module :::::: TO: Zhou Wang <wangzhou1@xxxxxxxxxxxxx> :::::: CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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