On Mon, May 11, 2020 at 4:53 AM Ira Weiny <ira.weiny@xxxxxxxxx> wrote:
>
> On Sat, May 09, 2020 at 12:01:31AM +0200, Arnd Bergmann wrote:
> > In order to call kmap_atomic() etc, we need to include linux/highmem.h:
> >
> > drivers/gpu/drm/vmwgfx/vmwgfx_blit.c: In function 'vmw_bo_cpu_blit_line':
> > drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:377:4: error: implicit declaration of function 'kunmap_atomic'; did you mean 'in_atomic'? [-Werror=implicit-function-declaration]
> > 377 | kunmap_atomic(d->src_addr);
> > | ^~~~~~~~~~~~~
> > | in_atomic
> > drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:391:5: error: implicit declaration of function 'kmap_atomic_prot' [-Werror=implicit-function-declaration]
> > 391 | kmap_atomic_prot(d->dst_pages[dst_page],
> > | ^~~~~~~~~~~~~~~~
> > drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:390:16: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
> > 390 | d->dst_addr =
> > | ^
> > drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:403:16: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
> > 403 | d->src_addr =
> > | ^
> >
> > Fixes: 46385a895322 ("drm: remove drm specific kmap_atomic code")
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>
> I'm curious about the config which failed... Because this compiled for me.
> Regardless it was stupid of me to not include this.
>
> Thanks,
>
> Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
I do a lot of randconfig build tests and only one of them had this problem.
See https://pastebin.com/LmX0Jfbg for reference, I did not check further
which of the options caused this.
Arnd
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