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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-25 07:42:03 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-25 07:42:03 +0900 |
| commit | 47143b094d4700842e42b0a7cc2548d7ae292690 (patch) | |
| tree | ab1e7fb7cdedd29c8a9b953e58110ff3870946e4 /arch/tile/include/asm/processor.h | |
| parent | 0b9466ccea3c4ec363737288dd9467bf978c9c2d (diff) | |
| parent | f02cbbe657939489347cbda598401a56913ffcbd (diff) | |
| download | linux-47143b094d4700842e42b0a7cc2548d7ae292690.tar.gz | |
Merge branch 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
* 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
pci root complex: support for tile architecture
drivers/net/tile/: on-chip network drivers for the tile architecture
MAINTAINERS: add drivers/char/hvc_tile.c as maintained by tile
Diffstat (limited to 'arch/tile/include/asm/processor.h')
| -rw-r--r-- | arch/tile/include/asm/processor.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h index 1747ff3946b2..a9e7c8760334 100644 --- a/arch/tile/include/asm/processor.h +++ b/arch/tile/include/asm/processor.h @@ -292,8 +292,18 @@ extern int kstack_hash; /* Are we using huge pages in the TLB for kernel data? */ extern int kdata_huge; +/* Support standard Linux prefetching. */ +#define ARCH_HAS_PREFETCH +#define prefetch(x) __builtin_prefetch(x) #define PREFETCH_STRIDE CHIP_L2_LINE_SIZE() +/* Bring a value into the L1D, faulting the TLB if necessary. */ +#ifdef __tilegx__ +#define prefetch_L1(x) __insn_prefetch_l1_fault((void *)(x)) +#else +#define prefetch_L1(x) __insn_prefetch_L1((void *)(x)) +#endif + #else /* __ASSEMBLY__ */ /* Do some slow action (e.g. read a slow SPR). */ |