Subject: Re: [PATCH v2 9/9] powerpc: Simplify and move arch_randomize_brk()

From: kernel test robot <[email-masked]>
Date: Fri, 26 Nov 2021 08:36:44 +0800

Hi Christophe,

I love your patch! Perhaps something to improve:

[auto build test WARNING on powerpc/next]
[also build test WARNING on hnaz-mm/master linus/master v5.16-rc2 next-20211125]
[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/Christophe-Leroy/Convert-powerpc-to-default-topdown-mmap-layout/20211125-162916
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20211126/[email-masked]/config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
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
        # https://github.com/0day-ci/linux/commit/554c475dfb73dc352708dff3589b55845b3dd751
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Christophe-Leroy/Convert-powerpc-to-default-topdown-mmap-layout/20211125-162916
        git checkout 554c475dfb73dc352708dff3589b55845b3dd751
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/mt7915/ drivers/pci/controller/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email-masked]>

All warnings (new ones prefixed by >>):

>> drivers/pci/controller/pci-xgene.c:52: warning: "SZ_1T" redefined
      52 | #define SZ_1T                           (SZ_1G*1024ULL)
         | 
   In file included from arch/riscv/include/asm/pgtable.h:10,
                    from include/linux/pgtable.h:6,
                    from arch/riscv/include/asm/io.h:15,
                    from include/linux/io.h:13,
                    from drivers/pci/controller/pci-xgene.c:11:
   include/linux/sizes.h:51: note: this is the location of the previous definition
      51 | #define SZ_1T                           _AC(0x10000000000, ULL)
         | 

vim +/SZ_1T +52 drivers/pci/controller/pci-xgene.c

5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  45  
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  46  #define LINK_UP_MASK			0x00000100
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  47  #define AXI_EP_CFG_ACCESS		0x10000
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  48  #define EN_COHERENCY			0xF0000000
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  49  #define EN_REG				0x00000001
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  50  #define OB_LO_IO			0x00000002
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  51  #define XGENE_PCIE_DEVICEID		0xE004
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01 @52  #define SZ_1T				(SZ_1G*1024ULL)
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  53  #define PIPE_PHY_RATE_RD(src)		((0xc000 & (u32)(src)) >> 0xe)
5f6b6ccdbe1cdfa drivers/pci/host/pci-xgene.c Tanmay Inamdar 2014-10-01  54  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email-masked]