tree: git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill.git mips-for-linux-next
head: a86c1814c86b41d321109ad70f17995900d54316
commit: 596d561a6e0cc4380363ec8986126891eee306d9 [41/42] MIPS: Use CPHYSADDR to implement mips32 __pa
config: mips-jz4740 (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
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
git checkout 596d561a6e0cc4380363ec8986126891eee306d9
# save the attached .config to linux build tree
make.cross ARCH=mips
All warnings (new ones prefixed by >>):
In file included from arch/mips/include/asm/page.h:192:0,
from include/linux/mmzone.h:20,
from include/linux/gfp.h:5,
from include/linux/mm.h:9,
from drivers/char/mem.c:11:
arch/mips/include/asm/io.h: In function 'virt_to_phys':
arch/mips/include/asm/io.h:121:14: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
return __pa(address);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/gfp.h:5,
from include/linux/mm.h:9,
from drivers/char/mem.c:11:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'const volatile void *'
static inline unsigned long __pa(unsigned long x)
^
drivers/char/mem.c: In function 'valid_phys_addr_range':
>> drivers/char/mem.c:52:30: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
return addr + count <= __pa(high_memory);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/gfp.h:5,
from include/linux/mm.h:9,
from drivers/char/mem.c:11:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'void *'
static inline unsigned long __pa(unsigned long x)
^
--
In file included from arch/mips/include/asm/page.h:192:0,
from include/linux/mmzone.h:20,
from include/linux/bootmem.h:7,
from mm/percpu.c:59:
arch/mips/include/asm/io.h: In function 'virt_to_phys':
arch/mips/include/asm/io.h:121:14: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
return __pa(address);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/bootmem.h:7,
from mm/percpu.c:59:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'const volatile void *'
static inline unsigned long __pa(unsigned long x)
^
mm/percpu.c: In function 'per_cpu_ptr_to_phys':
>> mm/percpu.c:1364:16: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
return __pa(addr);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/bootmem.h:7,
from mm/percpu.c:59:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'void *'
static inline unsigned long __pa(unsigned long x)
^
mm/percpu.c: In function 'pcpu_free_alloc_info':
mm/percpu.c:1425:27: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
memblock_free_early(__pa(ai), ai->__ai_size);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/bootmem.h:7,
from mm/percpu.c:59:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'struct pcpu_alloc_info *'
static inline unsigned long __pa(unsigned long x)
^
--
In file included from arch/mips/include/asm/page.h:192:0,
from include/linux/mmzone.h:20,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from mm/memblock.c:14:
arch/mips/include/asm/io.h: In function 'virt_to_phys':
arch/mips/include/asm/io.h:121:14: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
return __pa(address);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from mm/memblock.c:14:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'const volatile void *'
static inline unsigned long __pa(unsigned long x)
^
mm/memblock.c: In function 'get_allocated_memblock_reserved_regions_info':
>> mm/memblock.c:307:15: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
*addr = __pa(memblock.reserved.regions);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from mm/memblock.c:14:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'struct memblock_region *'
static inline unsigned long __pa(unsigned long x)
^
mm/memblock.c: In function 'get_allocated_memblock_memory_regions_info':
mm/memblock.c:319:15: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
*addr = __pa(memblock.memory.regions);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from mm/memblock.c:14:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'struct memblock_region *'
static inline unsigned long __pa(unsigned long x)
^
mm/memblock.c: In function 'memblock_double_array':
mm/memblock.c:387:27: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
addr = new_array ? __pa(new_array) : 0;
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from mm/memblock.c:14:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'struct memblock_region *'
static inline unsigned long __pa(unsigned long x)
^
mm/memblock.c:429:22: warning: passing argument 1 of '__pa' makes integer from pointer without a cast [-Wint-conversion]
memblock_free(__pa(old_array), old_alloc_size);
^
In file included from include/linux/mmzone.h:20:0,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from mm/memblock.c:14:
arch/mips/include/asm/page.h:172:29: note: expected 'long unsigned int' but argument is of type 'struct memblock_region *'
static inline unsigned long __pa(unsigned long x)
^
vim +/__pa +52 drivers/char/mem.c
^1da177e Linus Torvalds 2005-04-16 5 *
^1da177e Linus Torvalds 2005-04-16 6 * Added devfs support.
^1da177e Linus Torvalds 2005-04-16 7 * Jan-11-1998, C. Scott Ananian <cananian@xxxxxxxxxxxxxxxxxxxx>
af901ca1 André Goddard Rosa 2009-11-14 8 * Shared /dev/zero mmapping support, Feb 2000, Kanoj Sarcar <kanoj@xxxxxxx>
^1da177e Linus Torvalds 2005-04-16 9 */
^1da177e Linus Torvalds 2005-04-16 10
^1da177e Linus Torvalds 2005-04-16 @11 #include <linux/mm.h>
^1da177e Linus Torvalds 2005-04-16 12 #include <linux/miscdevice.h>
^1da177e Linus Torvalds 2005-04-16 13 #include <linux/slab.h>
^1da177e Linus Torvalds 2005-04-16 14 #include <linux/vmalloc.h>
^1da177e Linus Torvalds 2005-04-16 15 #include <linux/mman.h>
^1da177e Linus Torvalds 2005-04-16 16 #include <linux/random.h>
^1da177e Linus Torvalds 2005-04-16 17 #include <linux/init.h>
^1da177e Linus Torvalds 2005-04-16 18 #include <linux/raw.h>
^1da177e Linus Torvalds 2005-04-16 19 #include <linux/tty.h>
^1da177e Linus Torvalds 2005-04-16 20 #include <linux/capability.h>
^1da177e Linus Torvalds 2005-04-16 21 #include <linux/ptrace.h>
^1da177e Linus Torvalds 2005-04-16 22 #include <linux/device.h>
50b1fdbd Vivek Goyal 2005-06-25 23 #include <linux/highmem.h>
^1da177e Linus Torvalds 2005-04-16 24 #include <linux/backing-dev.h>
d6b29d7c Jens Axboe 2007-06-04 25 #include <linux/splice.h>
b8a3ad5b Linus Torvalds 2006-10-13 26 #include <linux/pfn.h>
66300e66 Paul Gortmaker 2011-07-10 27 #include <linux/export.h>
e1612de9 Haren Myneni 2012-07-11 28 #include <linux/io.h>
e2e40f2c Christoph Hellwig 2015-02-22 29 #include <linux/uio.h>
^1da177e Linus Torvalds 2005-04-16 30
35b6c7e4 Rob Ward 2014-12-20 31 #include <linux/uaccess.h>
^1da177e Linus Torvalds 2005-04-16 32
^1da177e Linus Torvalds 2005-04-16 33 #ifdef CONFIG_IA64
^1da177e Linus Torvalds 2005-04-16 34 # include <linux/efi.h>
^1da177e Linus Torvalds 2005-04-16 35 #endif
^1da177e Linus Torvalds 2005-04-16 36
e1612de9 Haren Myneni 2012-07-11 37 #define DEVPORT_MINOR 4
e1612de9 Haren Myneni 2012-07-11 38
f222318e Wu Fengguang 2009-12-14 39 static inline unsigned long size_inside_page(unsigned long start,
f222318e Wu Fengguang 2009-12-14 40 unsigned long size)
f222318e Wu Fengguang 2009-12-14 41 {
f222318e Wu Fengguang 2009-12-14 42 unsigned long sz;
f222318e Wu Fengguang 2009-12-14 43
7fabaddd Wu Fengguang 2009-12-14 44 sz = PAGE_SIZE - (start & (PAGE_SIZE - 1));
f222318e Wu Fengguang 2009-12-14 45
7fabaddd Wu Fengguang 2009-12-14 46 return min(sz, size);
f222318e Wu Fengguang 2009-12-14 47 }
f222318e Wu Fengguang 2009-12-14 48
^1da177e Linus Torvalds 2005-04-16 49 #ifndef ARCH_HAS_VALID_PHYS_ADDR_RANGE
7e6735c3 Cyril Chemparathy 2012-09-12 50 static inline int valid_phys_addr_range(phys_addr_t addr, size_t count)
^1da177e Linus Torvalds 2005-04-16 51 {
cfaf346c Changli Gao 2011-03-23 @52 return addr + count <= __pa(high_memory);
^1da177e Linus Torvalds 2005-04-16 53 }
80851ef2 Bjorn Helgaas 2006-01-08 54
06c67bef Lennert Buytenhek 2006-07-10 55 static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size)
:::::: The code at line 52 was first introduced by commit
:::::: cfaf346cb2741ca648d83527df173b759381e607 drivers/char/mem.c: clean up the code
:::::: TO: Changli Gao <xiaosuo@xxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
---
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