linux-kernel - Re: [PATCH 01/21] MIPS memblock: Unpin dts memblock sanity check method

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Date:   Mon, 19 Dec 2016 12:28:39 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Serge Semin <fancer.lancer@...il.com>
Cc:     kbuild-all@...org, ralf@...ux-mips.org, paul.burton@...tec.com,
        rabinv@...s.com, matt.redfearn@...tec.com, james.hogan@...tec.com,
        alexander.sverdlin@...ia.com, robh+dt@...nel.org,
        frowand.list@...il.com, Sergey.Semin@...latforms.ru,
        linux-mips@...ux-mips.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Serge Semin <fancer.lancer@...il.com>
Subject: Re: [PATCH 01/21] MIPS memblock: Unpin dts memblock sanity check
 method

Hi Serge,

[auto build test WARNING on linus/master]
[also build test WARNING on v4.9 next-20161216]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Serge-Semin/MIPS-memblock-Remove-bootmem-code-and-switch-to-NO_BOOTMEM/20161219-105045
config: openrisc-or1ksim_defconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
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
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All warnings (new ones prefixed by >>):

   drivers/of/fdt.c: In function 'sanity_check_dt_memory':
>> drivers/of/fdt.c:1125:4: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1125:4: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1129:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1129:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1133:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1133:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1138:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1138:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1144:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1144:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1147:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1147:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1151:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1151:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1157:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1157:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c:1161:3: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t'
   drivers/of/fdt.c:1161:3: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'phys_addr_t'
   drivers/of/fdt.c: In function 'early_init_dt_add_memory_arch':
   drivers/of/fdt.c:1173:2: warning: passing argument 1 of 'sanity_check_dt_memory' from incompatible pointer type
   drivers/of/fdt.c:1117:12: note: expected 'phys_addr_t *' but argument is of type 'u64 *'
   drivers/of/fdt.c:1173:2: warning: passing argument 2 of 'sanity_check_dt_memory' from incompatible pointer type
   drivers/of/fdt.c:1117:12: note: expected 'phys_addr_t *' but argument is of type 'u64 *'

vim +1125 drivers/of/fdt.c

  1109	#ifdef CONFIG_HAVE_MEMBLOCK
  1110	#ifndef MIN_MEMBLOCK_ADDR
  1111	#define MIN_MEMBLOCK_ADDR	__pa(PAGE_OFFSET)
  1112	#endif
  1113	#ifndef MAX_MEMBLOCK_ADDR
  1114	#define MAX_MEMBLOCK_ADDR	((phys_addr_t)~0)
  1115	#endif
  1116	
  1117	int __init sanity_check_dt_memory(phys_addr_t *out_base,
  1118					  phys_addr_t *out_size)
  1119	{
  1120		phys_addr_t base = *out_base, size = *out_size;
  1121		const u64 phys_offset = MIN_MEMBLOCK_ADDR;
  1122	
  1123		if (!PAGE_ALIGNED(base)) {
  1124			if (size < PAGE_SIZE - (base & ~PAGE_MASK)) {
> 1125				pr_err("Memblock 0x%llx - 0x%llx isn't page aligned\n",
  1126					base, base + size);
  1127				return -EINVAL;
  1128			}
  1129			pr_warn("Memblock 0x%llx - 0x%llx shifted to ",
  1130				base, base + size);
  1131			size -= PAGE_SIZE - (base & ~PAGE_MASK);
  1132			base = PAGE_ALIGN(base);
  1133			pr_cont("0x%llx - 0x%llx\n", base, base + size);

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