On Wed, Dec 20, 2017 at 10:54 AM, kbuild test robot <lkp@xxxxxxxxx> wrote: > I love your patch! Perhaps something to improve: > > [auto build test WARNING on tip/timers/core] > [cannot apply to linus/master v4.15-rc4 next-20171220] > [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/Greentime-Hu/Andes-nds32-Linux-Kernel/20171220-155937 > config: sparc64-allyesconfig (attached as .config) > compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/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/net/ethernet/faraday/ftmac100.c: In function 'ftmac100_rxdes_set_page': >>> drivers/net/ethernet/faraday/ftmac100.c:288:18: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] > rxdes->rxdes3 = (unsigned int)page; > ^ The proper way to casts pointer to integers is to cast to "uintptr_t". However, the address is stored in a 32-bit descriptor, which means it can not work on 64-bit platforms. Please make the driver depend on "!64BIT || BROKEN" Cfr. commit 15bfe05c8d6386f1 ("net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit") Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
