On Wed, Aug 01, 2018 at 06:59:47AM +0800, kbuild test robot wrote:
> tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
> head: 5bb19d15d8f29153cdb83ceb9ccc78dce4cd31e4
> commit: b6fde54f62b2e7da0ce5361746ddb81f52bfe6d9 [690/717] drm/ttm: clean up
> non-x86 definitions on ttm_page_alloc_dma
> config: ia64-allmodconfig (attached as .config)
> compiler: ia64-linux-gcc (GCC) 8.1.0
> reproduce:
> wget
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
> ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout b6fde54f62b2e7da0ce5361746ddb81f52bfe6d9
> # save the attached .config to linux build tree
> GCC_VERSION=8.1.0 make.cross ARCH=ia64
>
> All errors (new ones prefixed by >>):
>
> drivers/gpu/drm/ttm/ttm_page_alloc_dma.c: In function
> 'ttm_set_pages_caching':
> >> drivers/gpu/drm/ttm/ttm_page_alloc_dma.c:272:7: error: implicit
> >> declaration of function 'set_pages_array_uc'; did you mean
> >> 'ttm_set_pages_array_uc'? [-Werror=implicit-function-declaration]
> r = set_pages_array_uc(pages, cpages);
> ^~~~~~~~~~~~~~~~~~
> ttm_set_pages_array_uc
> cc1: some warnings being treated as errors
>
Thank you! Will fix it later.
Thanks,
Rui
> vim +272 drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
>
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 265
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 266 static int
> ttm_set_pages_caching(struct dma_pool *pool,
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 267
> struct page **pages, unsigned cpages)
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 268 {
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 269 int r = 0;
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 270 /* Set page caching */
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 271 if (pool->type & IS_UC)
> {
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 @272 r =
> set_pages_array_uc(pages, cpages);
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 273 if (r)
> 25d0479a Joe Perches 2012-03-16 274
> pr_err("%s: Failed to set %d pages to uc!\n",
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 275
> pool->dev_name, cpages);
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 276 }
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 277 if (pool->type & IS_WC)
> {
> b6fde54f Huang Rui 2018-07-26 278 r =
> ttm_set_pages_array_wc(pages, cpages);
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 279 if (r)
> 25d0479a Joe Perches 2012-03-16 280
> pr_err("%s: Failed to set %d pages to wc!\n",
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 281
> pool->dev_name, cpages);
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 282 }
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 283 return r;
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 284 }
> 2334b75f Konrad Rzeszutek Wilk 2011-11-03 285
>
> :::::: The code at line 272 was first introduced by commit
> :::::: 2334b75ffbef6b8932f09ec4418b65ddb764ae99 drm/ttm: provide dma aware
> ttm page pool code V9
>
> :::::: TO: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
> :::::: CC: Dave Airlie <airl...@redhat.com>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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