On Tue, Aug 23, 2016 at 9:16 PM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > On Wed, Aug 24, 2016 at 02:22:29AM +0800, kbuild test robot wrote: >> tree: git://anongit.freedesktop.org/drm-intel for-linux-next >> head: ac96b5566926af83463ddcf4655856033c092f26 >> commit: ac96b5566926af83463ddcf4655856033c092f26 [1/1] io-mapping.h: s/PAGE_KERNEL_IO/PAGE_KERNEL/ >> config: microblaze-nommu_defconfig (attached as .config) >> compiler: microblaze-linux-gcc (GCC) 4.9.0 >> 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 ac96b5566926af83463ddcf4655856033c092f26 >> # save the attached .config to linux build tree >> make.cross ARCH=microblaze >> >> All errors (new ones prefixed by >>): >> >> In file included from drivers/gpio/gpiolib-of.c:19:0: >> include/linux/io-mapping.h: In function 'io_mapping_init_wc': >> >> include/linux/io-mapping.h:126:2: error: implicit declaration of function 'pgprot_writecombine' [-Werror=implicit-function-declaration] >> iomap->prot = pgprot_writecombine(PAGE_KERNEL); >> ^ >> >> include/linux/io-mapping.h:126:14: error: incompatible types when assigning to type 'pgprot_t' from type 'int' >> iomap->prot = pgprot_writecombine(PAGE_KERNEL); >> ^ >> cc1: some warnings being treated as errors >> >> vim +/pgprot_writecombine +126 include/linux/io-mapping.h > > Grrr. > > diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h > index a87dd7fffc0a..babd4c53a5aa 100644 > --- a/include/linux/io-mapping.h > +++ b/include/linux/io-mapping.h > @@ -114,6 +114,10 @@ io_mapping_unmap(void __iomem *vaddr) > #include <linux/uaccess.h> > #include <asm/pgtable.h> > > +#ifdef pgprot_noncached_wc > +#define pgprot_writecombine pgprot_noncached_wc > +#endif > + > /* Create the io_mapping object*/ > static inline struct io_mapping * > io_mapping_init_wc(struct io_mapping *iomap, > > is what I have in mind. Looks like a divide between x86 and ppc (and > their followers). tbh I'm leaning towards reverting, since this is getting a bit embarrassing ;-) Also the io-mapping.h change wasn't reviewed or acked by arch maintainers (which is probably should have been in hindsight). And i915_mm.c probably should be somewhere in arch/core code, too. I'll discuss this a bit more tomorrow with you &Joonas, but since it's holding up the drm-intel-next pull revert it likely is. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
