[kbuild-all] Re: drivers/ide/ide-ioctls.c:15:24: sparse: sparse: incorrect type in initializer (different address spaces)

On Fri, May 22, 2020 at 2:24 PM kbuild test robot <lkp(a)intel.com&gt; wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 051143e1602d90ea71887d92363edd539d411de5 > commit: 1df23c6fe5b0654ece219985a0c32e40b100bd9a compat_ioctl: move HDIO ioctl handling into drivers/ide > date: 5 months ago > config: xtensa-randconfig-s002-20200522 (attached as .config) > compiler: xtensa-linux-gcc (GCC) 9.3.0 > reproduce: > # apt-get install sparse > # sparse version: v0.6.1-193-gb8fad4bc-dirty > git checkout 1df23c6fe5b0654ece219985a0c32e40b100bd9a > # save the attached .config to linux build tree > make W=1 C=1 ARCH=xtensa CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot <lkp(a)intel.com&gt; > > > sparse warnings: (new ones prefixed by >>) > > ./arch/xtensa/include/generated/uapi/asm/unistd_32.h:391:41: sparse: sparse: no newline at end of file > >> drivers/ide/ide-ioctls.c:15:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected signed int *__pu_addr @@ got signed int [noderef] [usertypsigned int *__pu_addr @@ > >> drivers/ide/ide-ioctls.c:15:24: sparse: expected signed int *__pu_addr > >> drivers/ide/ide-ioctls.c:15:24: sparse: got signed int [noderef] [usertype] <asn:1> * > >> drivers/ide/ide-ioctls.c:15:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:1> *to @@ got f] <asn:1> *to @@ > drivers/ide/ide-ioctls.c:15:24: sparse: expected void [noderef] <asn:1> *to > >> drivers/ide/ide-ioctls.c:15:24: sparse: got signed int *__pu_addr I think this is a bug in the xtensa asm/uaccess.h, but I don't know why it only showed up now.