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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH 05/13] drm/ttm: new TT backend allocation pool
Date: Mon, 26 Oct 2020 17:56:04 +0800	[thread overview]
Message-ID: <202010261733.63p5ExHs-lkp@intel.com> (raw)
In-Reply-To: <20201025154100.16400-6-christian.koenig@amd.com>

[-- Attachment #1: Type: text/plain, Size: 10158 bytes --]

Hi "Christian,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[cannot apply to drm-exynos/exynos-drm-next drm-intel/for-linux-next tegra-drm/drm/tegra/for-next linus/master drm/drm-next v5.10-rc1 next-20201026]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Christian-K-nig/drm-ttm-nuke-ttm_tt_set_-un-populated-again/20201026-004114
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: s390-randconfig-r036-20201026 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1c8371692dfe8245bc6690ff1262dcced4649d21)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/0day-ci/linux/commit/618def1bc3db379a76b7462ab38236bfeb3df3d3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Christian-K-nig/drm-ttm-nuke-ttm_tt_set_-un-populated-again/20201026-004114
        git checkout 618def1bc3db379a76b7462ab38236bfeb3df3d3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:19:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x000000ffUL) << 24) |            \
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:20:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x0000ff00UL) <<  8) |            \
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:21:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x00ff0000UL) >>  8) |            \
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:22:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0xff000000UL) >> 24)))
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:120:12: note: expanded from macro '__swab32'
           __fswab32(x))
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsb(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsw(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsl(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesb(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesw(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesl(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
>> drivers/gpu/drm/ttm/ttm_pool.c:154:5: warning: no previous prototype for function 'ttm_pool_apply_caching' [-Wmissing-prototypes]
   int ttm_pool_apply_caching(struct page **first, struct page **last,
       ^
   drivers/gpu/drm/ttm/ttm_pool.c:154:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int ttm_pool_apply_caching(struct page **first, struct page **last,
   ^
   static 
   21 warnings generated.

vim +/ttm_pool_apply_caching +154 drivers/gpu/drm/ttm/ttm_pool.c

   152	
   153	/* Apply a new caching to an array of pages */
 > 154	int ttm_pool_apply_caching(struct page **first, struct page **last,
   155				   enum ttm_caching caching)
   156	{
   157	#ifdef CONFIG_X86
   158		unsigned int num_pages = last - first;
   159	
   160		if (!num_pages)
   161			return 0;
   162	
   163		switch (caching) {
   164		case ttm_cached:
   165			break;
   166		case ttm_write_combined:
   167			return set_pages_array_wc(first, num_pages);
   168			break;
   169		case ttm_uncached:
   170			return set_pages_array_uc(first, num_pages);
   171			break;
   172		}
   173	#endif
   174		return 0;
   175	}
   176	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: "Christian König" <ckoenig.leichtzumerken@gmail.com>,
	Madhav.Chauhan@amd.com, dri-devel@lists.freedesktop.org
Cc: clang-built-linux@googlegroups.com, Ray.Huang@amd.com,
	kbuild-all@lists.01.org
Subject: Re: [PATCH 05/13] drm/ttm: new TT backend allocation pool
Date: Mon, 26 Oct 2020 17:56:04 +0800	[thread overview]
Message-ID: <202010261733.63p5ExHs-lkp@intel.com> (raw)
In-Reply-To: <20201025154100.16400-6-christian.koenig@amd.com>

[-- Attachment #1: Type: text/plain, Size: 9985 bytes --]

Hi "Christian,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[cannot apply to drm-exynos/exynos-drm-next drm-intel/for-linux-next tegra-drm/drm/tegra/for-next linus/master drm/drm-next v5.10-rc1 next-20201026]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Christian-K-nig/drm-ttm-nuke-ttm_tt_set_-un-populated-again/20201026-004114
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: s390-randconfig-r036-20201026 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1c8371692dfe8245bc6690ff1262dcced4649d21)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/0day-ci/linux/commit/618def1bc3db379a76b7462ab38236bfeb3df3d3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Christian-K-nig/drm-ttm-nuke-ttm_tt_set_-un-populated-again/20201026-004114
        git checkout 618def1bc3db379a76b7462ab38236bfeb3df3d3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:19:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x000000ffUL) << 24) |            \
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:20:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x0000ff00UL) <<  8) |            \
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:21:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x00ff0000UL) >>  8) |            \
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:22:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0xff000000UL) >> 24)))
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:120:12: note: expanded from macro '__swab32'
           __fswab32(x))
                     ^
   In file included from drivers/gpu/drm/ttm/ttm_pool.c:34:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsb(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsw(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsl(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesb(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesw(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesl(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
>> drivers/gpu/drm/ttm/ttm_pool.c:154:5: warning: no previous prototype for function 'ttm_pool_apply_caching' [-Wmissing-prototypes]
   int ttm_pool_apply_caching(struct page **first, struct page **last,
       ^
   drivers/gpu/drm/ttm/ttm_pool.c:154:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int ttm_pool_apply_caching(struct page **first, struct page **last,
   ^
   static 
   21 warnings generated.

vim +/ttm_pool_apply_caching +154 drivers/gpu/drm/ttm/ttm_pool.c

   152	
   153	/* Apply a new caching to an array of pages */
 > 154	int ttm_pool_apply_caching(struct page **first, struct page **last,
   155				   enum ttm_caching caching)
   156	{
   157	#ifdef CONFIG_X86
   158		unsigned int num_pages = last - first;
   159	
   160		if (!num_pages)
   161			return 0;
   162	
   163		switch (caching) {
   164		case ttm_cached:
   165			break;
   166		case ttm_write_combined:
   167			return set_pages_array_wc(first, num_pages);
   168			break;
   169		case ttm_uncached:
   170			return set_pages_array_uc(first, num_pages);
   171			break;
   172		}
   173	#endif
   174		return 0;
   175	}
   176	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

  parent reply	other threads:[~2020-10-26  9:56 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-25 15:40 drm/ttm: new TT backend allocation pool Christian König
2020-10-25 15:40 ` [PATCH 01/13] drm/ttm: nuke ttm_tt_set_(un)populated again Christian König
2020-10-26  4:43   ` Dave Airlie
2020-10-26 13:36   ` Chauhan, Madhav
2020-10-26 13:43     ` Christian König
2020-10-26 19:26       ` Chauhan, Madhav
2020-10-28 11:40         ` Chauhan, Madhav
2020-10-25 15:40 ` [PATCH 02/13] drm/ttm: move swapin out of page alloc backend Christian König
2020-10-25 15:40 ` [PATCH 03/13] drm/ttm: make num_pages uint32_t Christian König
2020-10-25 15:40 ` [PATCH 04/13] drm/ttm: merge ttm_dma_tt back into ttm_tt Christian König
2020-10-25 15:40 ` [PATCH 05/13] drm/ttm: new TT backend allocation pool Christian König
2020-10-25 18:35   ` kernel test robot
2020-10-25 18:35     ` kernel test robot
2020-10-25 19:01   ` kernel test robot
2020-10-25 19:01     ` kernel test robot
2020-10-25 19:01   ` [RFC PATCH] drm/ttm: ttm_pool_apply_caching() can be static kernel test robot
2020-10-25 19:01     ` kernel test robot
2020-10-26  9:56   ` kernel test robot [this message]
2020-10-26  9:56     ` [PATCH 05/13] drm/ttm: new TT backend allocation pool kernel test robot
2020-10-25 15:40 ` [PATCH 06/13] drm/ttm: wire up the new pool as default one Christian König
2020-10-25 15:40 ` [PATCH 07/13] drm/amdgpu: switch to new allocator Christian König
2020-10-25 15:40 ` [PATCH 08/13] drm/radeon: " Christian König
2020-10-25 15:40 ` [PATCH 09/13] drm/nouveau: " Christian König
2020-10-25 15:40 ` [PATCH 10/13] drm/vmwgfx: " Christian König
2020-10-25 15:40 ` [PATCH 11/13] drm/qxl: drop ttm_page_alloc.h include Christian König
2020-10-25 15:40 ` [PATCH 12/13] drm/vram_helpers: " Christian König
2020-10-25 15:41 ` [PATCH 13/13] drm/ttm: nuke old page allocator Christian König
2020-10-26  5:23 ` drm/ttm: new TT backend allocation pool Dave Airlie
2020-10-26 12:01   ` Christian König
2020-10-26 12:15     ` Daniel Vetter
2020-10-26 13:45 ` Huang Rui

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