tree: git://anongit.freedesktop.org/drm/drm-misc for-linux-next head: 352a81b71ea0a3ce8f929aa60afe369d738a0c6a commit: 7a7a933edd6c3a6d5d64e08093f2d564104cefcd [2/9] drm/vmwgfx: Introduce VMware mks-guest-stats config: i386-randconfig-r032-20210612 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add drm-drm-misc git://anongit.freedesktop.org/drm/drm-misc git fetch --no-tags drm-drm-misc for-linux-next git checkout 7a7a933edd6c3a6d5d64e08093f2d564104cefcd # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from include/drm/drm_mm.h:49, from include/drm/ttm/ttm_bo_driver.h:33, from drivers/gpu/drm/vmwgfx/vmwgfx_drv.h:40, from drivers/gpu/drm/vmwgfx/vmwgfx_msg.c:36: drivers/gpu/drm/vmwgfx/vmwgfx_msg.c: In function 'vmw_mksstat_add_ioctl': 1116 | DRM_DEV_INFO(dev->dev, "pid=%d arg.description='%.*s' id=%lu\n", current->pid, (int)desc_len, pdesc->description, slot); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~ | | | size_t {aka unsigned int} include/drm/drm_print.h:368:33: note: in definition of macro 'DRM_DEV_INFO' 368 | drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__) | ^~~ drivers/gpu/drm/vmwgfx/vmwgfx_msg.c:1116:61: note: format string is defined here 1116 | DRM_DEV_INFO(dev->dev, "pid=%d arg.description='%.*s' id=%lu\n", current->pid, (int)desc_len, pdesc->description, slot); | ~~^ | | | long unsigned int | %u In file included from include/drm/drm_mm.h:49, from include/drm/ttm/ttm_bo_driver.h:33, from drivers/gpu/drm/vmwgfx/vmwgfx_drv.h:40, from drivers/gpu/drm/vmwgfx/vmwgfx_msg.c:36: drivers/gpu/drm/vmwgfx/vmwgfx_msg.c: In function 'vmw_mksstat_remove_ioctl': 1164 | DRM_DEV_INFO(dev->dev, "pid=%d arg.id=%lu\n", current->pid, slot); | ^~~~~~~~~~~~~~~~~~~~~ ~~~~ | | | size_t {aka const unsigned int} include/drm/drm_print.h:368:33: note: in definition of macro 'DRM_DEV_INFO' 368 | drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__) | ^~~ drivers/gpu/drm/vmwgfx/vmwgfx_msg.c:1164:42: note: format string is defined here 1164 | DRM_DEV_INFO(dev->dev, "pid=%d arg.id=%lu\n", current->pid, slot); | ~~^ | | | long unsigned int | %u In file included from drivers/gpu/drm/vmwgfx/vmwgfx_msg.c:37: drivers/gpu/drm/vmwgfx/vmwgfx_msg.c: In function 'vmw_mksstat_add_ioctl': 63 | ({ \ | ~~~~~~~~~ 64 | asm volatile (VMWARE_HYPERCALL : \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 65 | "=a"(eax), \ | ~~~~~~~~~~~~~~ 66 | "=b"(ebx), \ | ~~~~~~~~~~~~~~ 67 | "=c"(ecx), \ | ~~~~~~~~~~~~~~ 68 | "=d"(edx), \ | ~~~~~~~~~~~~~~ 69 | "=S"(si), \ | ~~~~~~~~~~~~~ 70 | "=D"(di) : \ | ~~~~~~~~~~~~~~ 71 | "a"(magic), \ | ~~~~~~~~~~~~~~~ 72 | "b"(in_ebx), \ | ~~~~~~~~~~~~~~~~ 73 | "c"(cmd), \ | ~~~~~~~~~~~~~ 74 | "d"(flags), \ | ~~~~~~~~~~~~~~~ 75 | "S"(in_si), \ | ~~~~~~~~~~~~~~~ 76 | "D"(in_di) : \ | ~~~~~~~~~~~~~~~~ 77 | "memory"); \ | ~~~~~~~~~~~~~~ 78 | }) | ~~ drivers/gpu/drm/vmwgfx/vmwgfx_msg.c:665:2: note: in expansion of macro 'VMW_PORT' 665 | VMW_PORT(VMW_PORT_CMD_MKSGS_ADD_PPN, | ^~~~~~~~ vim +/asm +64 drivers/gpu/drm/vmwgfx/vmwgfx_msg_x86.h 523375c943e51a5 Zack Rusin 2021-05-04 39 523375c943e51a5 Zack Rusin 2021-05-04 40 /** 523375c943e51a5 Zack Rusin 2021-05-04 41 * Hypervisor-specific bi-directional communication channel. Should never 523375c943e51a5 Zack Rusin 2021-05-04 42 * execute on bare metal hardware. The caller must make sure to check for 523375c943e51a5 Zack Rusin 2021-05-04 43 * supported hypervisor before using these macros. 523375c943e51a5 Zack Rusin 2021-05-04 44 * 523375c943e51a5 Zack Rusin 2021-05-04 45 * The last two parameters are both input and output and must be initialized. 523375c943e51a5 Zack Rusin 2021-05-04 46 * 523375c943e51a5 Zack Rusin 2021-05-04 47 * @cmd: [IN] Message Cmd 523375c943e51a5 Zack Rusin 2021-05-04 48 * @in_ebx: [IN] Message Len, through EBX 523375c943e51a5 Zack Rusin 2021-05-04 49 * @in_si: [IN] Input argument through SI, set to 0 if not used 523375c943e51a5 Zack Rusin 2021-05-04 50 * @in_di: [IN] Input argument through DI, set ot 0 if not used 523375c943e51a5 Zack Rusin 2021-05-04 51 * @flags: [IN] hypercall flags + [channel id] 523375c943e51a5 Zack Rusin 2021-05-04 52 * @magic: [IN] hypervisor magic value 523375c943e51a5 Zack Rusin 2021-05-04 53 * @eax: [OUT] value of EAX register 523375c943e51a5 Zack Rusin 2021-05-04 54 * @ebx: [OUT] e.g. status from an HB message status command 523375c943e51a5 Zack Rusin 2021-05-04 55 * @ecx: [OUT] e.g. status from a non-HB message status command 523375c943e51a5 Zack Rusin 2021-05-04 56 * @edx: [OUT] e.g. channel id 523375c943e51a5 Zack Rusin 2021-05-04 57 * @si: [OUT] 523375c943e51a5 Zack Rusin 2021-05-04 58 * @di: [OUT] 523375c943e51a5 Zack Rusin 2021-05-04 59 */ 523375c943e51a5 Zack Rusin 2021-05-04 60 #define VMW_PORT(cmd, in_ebx, in_si, in_di, \ 523375c943e51a5 Zack Rusin 2021-05-04 61 flags, magic, \ 523375c943e51a5 Zack Rusin 2021-05-04 62 eax, ebx, ecx, edx, si, di) \ 523375c943e51a5 Zack Rusin 2021-05-04 63 ({ \ 523375c943e51a5 Zack Rusin 2021-05-04 @64 asm volatile (VMWARE_HYPERCALL : \ 523375c943e51a5 Zack Rusin 2021-05-04 65 "=a"(eax), \ 523375c943e51a5 Zack Rusin 2021-05-04 66 "=b"(ebx), \ 523375c943e51a5 Zack Rusin 2021-05-04 67 "=c"(ecx), \ 523375c943e51a5 Zack Rusin 2021-05-04 68 "=d"(edx), \ 523375c943e51a5 Zack Rusin 2021-05-04 69 "=S"(si), \ 523375c943e51a5 Zack Rusin 2021-05-04 70 "=D"(di) : \ 523375c943e51a5 Zack Rusin 2021-05-04 71 "a"(magic), \ 523375c943e51a5 Zack Rusin 2021-05-04 72 "b"(in_ebx), \ 523375c943e51a5 Zack Rusin 2021-05-04 73 "c"(cmd), \ 523375c943e51a5 Zack Rusin 2021-05-04 74 "d"(flags), \ 523375c943e51a5 Zack Rusin 2021-05-04 75 "S"(in_si), \ 523375c943e51a5 Zack Rusin 2021-05-04 76 "D"(in_di) : \ 523375c943e51a5 Zack Rusin 2021-05-04 77 "memory"); \ 523375c943e51a5 Zack Rusin 2021-05-04 78 }) 523375c943e51a5 Zack Rusin 2021-05-04 79 523375c943e51a5 Zack Rusin 2021-05-04 80 :::::: The code at line 64 was first introduced by commit :::::: 523375c943e51a52bacb69fbd2b0d71a4e990878 drm/vmwgfx: Port vmwgfx to arm64 :::::: TO: Zack Rusin <zackr(a)vmware.com&gt; :::::: CC: Zack Rusin <zackr(a)vmware.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org