Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (49 commits)
  MIPS: RB532: provide GPIO_BUILTIN_NR and irq_to_gpio/gpio_to_irq
  MIPS: Move ptrace prototypes to ptrace.h
  MIPS: Ptrace support for HARDWARE_WATCHPOINTS
  MIPS: Scheduler support for HARDWARE_WATCHPOINTS.
  MIPS: Watch exception handling for HARDWARE_WATCHPOINTS.
  MIPS: Probe watch registers and report configuration.
  MIPS: Add HARDWARE_WATCHPOINTS definitions and support code.
  MIPS: Add HARDWARE_WATCHPOINTS configure option.
  MIPS: Replace use of <asm-generic/uaccess.h> with native implementations.
  MIPS: TXx9: Add TX4939 ATA support (v2)
  MIPS: Rewrite spinlocks to ticket locks.
  MIPS: IP checksums: Optimize adjust of sum on buffers of odd alignment.
  MIPS: IP checksums: Remove unncessary .set pseudos
  MIPS: IP checksums: Remove unncessary folding of sum to 16 bit.
  MIPS: Move headfiles to new location below arch/mips/include
  MIPS: Alchemy: rename directory
  MIPS: Optimize get_user and put_user for 64-bit
  MIPS: TXx9: Implement prom_free_prom_memory
  MIPS: TXx9: Add RBTX4939 board support
  MIPS: TXx9: Add TX4939 SoC support
  ...

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h
new file mode 100644
index 000000000000..80d9dfcf1e88
--- /dev/null
+++ b/arch/mips/include/asm/tlb.h
@@ -0,0 +1,23 @@
+#ifndef __ASM_TLB_H
+#define __ASM_TLB_H
+
+/*
+ * MIPS doesn't need any special per-pte or per-vma handling, except
+ * we need to flush cache for area to be unmapped.
+ */
+#define tlb_start_vma(tlb, vma) 				\
+	do {							\
+		if (!tlb->fullmm)				\
+			flush_cache_range(vma, vma->vm_start, vma->vm_end); \
+	}  while (0)
+#define tlb_end_vma(tlb, vma) do { } while (0)
+#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
+
+/*
+ * .. because we flush the whole mm when it fills up.
+ */
+#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
+
+#include <asm-generic/tlb.h>
+
+#endif /* __ASM_TLB_H */