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 <l...@intel.com>
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 <wangzh...@hisilicon.com>
:::::: CC: Herbert Xu <herb...@gondor.apana.org.au>
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.config.gz
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