diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
| commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
| tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /include/asm-generic/bitsperlong.h | |
| parent | 3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff) | |
| parent | 657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff) | |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
Diffstat (limited to 'include/asm-generic/bitsperlong.h')
| -rw-r--r-- | include/asm-generic/bitsperlong.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-generic/bitsperlong.h b/include/asm-generic/bitsperlong.h new file mode 100644 index 000000000000..4ae54e07de83 --- /dev/null +++ b/include/asm-generic/bitsperlong.h | |||
| @@ -0,0 +1,32 @@ | |||
| 1 | #ifndef __ASM_GENERIC_BITS_PER_LONG | ||
| 2 | #define __ASM_GENERIC_BITS_PER_LONG | ||
| 3 | |||
| 4 | /* | ||
| 5 | * There seems to be no way of detecting this automatically from user | ||
| 6 | * space, so 64 bit architectures should override this in their | ||
| 7 | * bitsperlong.h. In particular, an architecture that supports | ||
| 8 | * both 32 and 64 bit user space must not rely on CONFIG_64BIT | ||
| 9 | * to decide it, but rather check a compiler provided macro. | ||
| 10 | */ | ||
| 11 | #ifndef __BITS_PER_LONG | ||
| 12 | #define __BITS_PER_LONG 32 | ||
| 13 | #endif | ||
| 14 | |||
| 15 | #ifdef __KERNEL__ | ||
| 16 | |||
| 17 | #ifdef CONFIG_64BIT | ||
| 18 | #define BITS_PER_LONG 64 | ||
| 19 | #else | ||
| 20 | #define BITS_PER_LONG 32 | ||
| 21 | #endif /* CONFIG_64BIT */ | ||
| 22 | |||
| 23 | /* | ||
| 24 | * FIXME: The check currently breaks x86-64 build, so it's | ||
| 25 | * temporarily disabled. Please fix x86-64 and reenable | ||
| 26 | */ | ||
| 27 | #if 0 && BITS_PER_LONG != __BITS_PER_LONG | ||
| 28 | #error Inconsistent word size. Check asm/bitsperlong.h | ||
| 29 | #endif | ||
| 30 | |||
| 31 | #endif /* __KERNEL__ */ | ||
| 32 | #endif /* __ASM_GENERIC_BITS_PER_LONG */ | ||
