On Tue, Jul 12, 2016 at 07:23:55PM +0800, kbuild test robot wrote: > tree: git://anongit.freedesktop.org/drm-intel topic/drm-misc > head: e6f15b763ab2bc47000ec302123e2fb3bf2ad7d4 > commit: e6f15b763ab2bc47000ec302123e2fb3bf2ad7d4 [2/2] drm/vgem: Enable dmabuf interface for export > config: sparc64-allmodconfig (attached as .config) > compiler: sparc64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout e6f15b763ab2bc47000ec302123e2fb3bf2ad7d4 > # save the attached .config to linux build tree > make.cross ARCH=sparc64 > > All errors (new ones prefixed by >>): > > drivers/gpu/drm/vgem/vgem_drv.c: In function 'vgem_prime_vmap': > >> drivers/gpu/drm/vgem/vgem_drv.c:238:53: error: 'PAGE_KERNEL_IO' undeclared (first use in this function) > addr = vmap(pages, n_pages, 0, pgprot_writecombine(PAGE_KERNEL_IO)); > ^ > drivers/gpu/drm/vgem/vgem_drv.c:238:53: note: each undeclared identifier is reported only once for each function it appears in > > vim +/PAGE_KERNEL_IO +238 drivers/gpu/drm/vgem/vgem_drv.c > > 232 void *addr; > 233 > 234 pages = drm_gem_get_pages(obj); > 235 if (IS_ERR(pages)) > 236 return NULL; > 237 > > 238 addr = vmap(pages, n_pages, 0, pgprot_writecombine(PAGE_KERNEL_IO)); sparc64 I guess we need an ifdef PAGE_KERNEL_IO ? or just rely on pgprot_writecombine(PAGE_KERNEL) being good enough -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
