Merge branch 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf...

[linux-beck.git] / arch / tile / include / asm / processor.h

diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h
index 1747ff3946b2ef50dea6e9591730238f3c720d08..a9e7c8760334b8430b2a8c30c5a6954d4ab4cbcd 100644 (file)
--- 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). */