Hi Rich, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1e2a199f6ccdc15cf111d68d212e2fd4ce65682e commit: ca6345de57a46ba1bd35bd15b0ceb42e05b3d71f sh: remove spurious circular inclusion from asm/smp.h date: 4 months ago config: sh-randconfig-s031-20210120 (attached as .config) compiler: sh4-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: v0.6.3-208-g46a52ca4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca6345de57a46ba1bd35bd15b0ceb42e05b3d71f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ca6345de57a46ba1bd35bd15b0ceb42e05b3d71f # 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__' ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> "sparse warnings: (new ones prefixed by >>)" sound/soc/uniphier/aio-compress.c:295:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user * @@ sound/soc/uniphier/aio-compress.c:295:23: sparse: expected unsigned int const *__gu_addr sound/soc/uniphier/aio-compress.c:295:23: sparse: got unsigned int [noderef] [usertype] __user * >> sound/soc/uniphier/aio-compress.c:295:23: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void const volatile >> [noderef] __user *ptr @@ got unsigned int const *__gu_addr @@ sound/soc/uniphier/aio-compress.c:295:23: sparse: expected void const volatile [noderef] __user *ptr sound/soc/uniphier/aio-compress.c:295:23: sparse: got unsigned int const *__gu_addr sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 vim +295 sound/soc/uniphier/aio-compress.c e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 285 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 286 static int aio_compr_send_to_hw(struct uniphier_aio_sub *sub, e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 287 char __user *buf, size_t dstsize) e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 288 { e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 289 u32 __user *srcbuf = (u32 __user *)buf; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 290 u32 *dstbuf = (u32 *)(sub->compr_area + sub->wr_offs); e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 291 int src = 0, dst = 0, ret; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 292 u32 frm, frm_a, frm_b; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 293 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 294 while (dstsize > 0) { e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 @295 ret = get_user(frm, srcbuf + src); e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 296 if (ret) e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 297 return ret; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 298 src++; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 299 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 300 frm_a = frm & 0xffff; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 301 frm_b = (frm >> 16) & 0xffff; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 302 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 303 if (frm == IEC61937_HEADER_SIGN) { e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 304 frm_a |= 0x01000000; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 305 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 306 /* Next data is Pc and Pd */ e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 307 sub->iec_header = true; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 308 } else { e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 309 u16 pc = be16_to_cpu((__be16)frm_a); e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 310 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 311 if (sub->iec_header && sub->iec_pc != pc) { e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 312 /* Force overwrite IEC frame type */ e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 313 sub->iec_pc = pc; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 314 ret = aio_oport_set_stream_type(sub, pc); e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 315 if (ret) e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 316 return ret; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 317 } e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 318 sub->iec_header = false; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 319 } e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 320 dstbuf[dst++] = frm_a; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 321 dstbuf[dst++] = frm_b; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 322 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 323 dstsize -= sizeof(u32) * 2; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 324 } e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 325 e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 326 return 0; e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 327 } e98131222ff931a6 Katsuhiro Suzuki 2018-01-19 328 :::::: The code at line 295 was first introduced by commit :::::: e98131222ff931a670739cede00d1fb9d6f83763 ASoC: uniphier: add support for UniPhier AIO compress audio :::::: TO: Katsuhiro Suzuki <[email protected]> :::::: CC: Mark Brown <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
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