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

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (141 commits)
  MIPS: Alchemy: defconfig updates
  MIPS: Alchemy: Fix Au1100 ethernet build failure
  MIPS: Alchemy: Repair db1500/bosporus builds
  MIPS: ARC: Cleanup unused definitions from sgialib.h
  MIPS: Cobalt: convert legacy port addresses to GT-64111 bus addresses
  MIPS: Alchemy: use 36bit addresses for PCMCIA resources.
  MIPS: Cobalt: Fix theoretical port aliasing issue
  MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1)
  MIPS: Crazy spinlock speed test.
  MIPS: Optimize spinlocks.
  MIPS: Alchemy: devboard PM needs to save CPLD registers.
  MIPS: PowerTV: Eliminate duplicate opcode definition macros
  MIPS: Lemote 2F: Move printks out of port_access_lock.
  MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks.
  MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c.
  MIPS: Octeon: Replace rwlocks in irq_chip handlers with raw_spinlocks.
  MIPS: Octeon: Convert octeon_irq_msi_lock to raw spinlock.
  MIPS: Loongson: Remove pointless sample_lock from oprofile code.
  MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock.
  MIPS: i8259: Convert IRQ controller lock to raw spinlock.
  ...

1 files changed, 37 insertions, 16 deletions

diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index e716cafc346d..be8627bc5b02 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -137,22 +137,43 @@ EXPORT_SYMBOL_GPL(_page_cachable_default);
 
 static inline void setup_protection_map(void)
 {
-        protection_map[0] = PAGE_NONE;
-        protection_map[1] = PAGE_READONLY;
-        protection_map[2] = PAGE_COPY;
-        protection_map[3] = PAGE_COPY;
-        protection_map[4] = PAGE_READONLY;
-        protection_map[5] = PAGE_READONLY;
-        protection_map[6] = PAGE_COPY;
-        protection_map[7] = PAGE_COPY;
-        protection_map[8] = PAGE_NONE;
-        protection_map[9] = PAGE_READONLY;
-        protection_map[10] = PAGE_SHARED;
-        protection_map[11] = PAGE_SHARED;
-        protection_map[12] = PAGE_READONLY;
-        protection_map[13] = PAGE_READONLY;
-        protection_map[14] = PAGE_SHARED;
-        protection_map[15] = PAGE_SHARED;
+        if (kernel_uses_smartmips_rixi) {
+                protection_map[0]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+                protection_map[1]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
+                protection_map[2]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+                protection_map[3]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
+                protection_map[4]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ);
+                protection_map[5]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
+                protection_map[6]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ);
+                protection_map[7]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
+
+                protection_map[8]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+                protection_map[9]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
+                protection_map[10] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ);
+                protection_map[11] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE);
+                protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ);
+                protection_map[13] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
+                protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE  | _PAGE_NO_READ);
+                protection_map[15] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE);
+
+        } else {
+                protection_map[0] = PAGE_NONE;
+                protection_map[1] = PAGE_READONLY;
+                protection_map[2] = PAGE_COPY;
+                protection_map[3] = PAGE_COPY;
+                protection_map[4] = PAGE_READONLY;
+                protection_map[5] = PAGE_READONLY;
+                protection_map[6] = PAGE_COPY;
+                protection_map[7] = PAGE_COPY;
+                protection_map[8] = PAGE_NONE;
+                protection_map[9] = PAGE_READONLY;
+                protection_map[10] = PAGE_SHARED;
+                protection_map[11] = PAGE_SHARED;
+                protection_map[12] = PAGE_READONLY;
+                protection_map[13] = PAGE_READONLY;
+                protection_map[14] = PAGE_SHARED;
+                protection_map[15] = PAGE_SHARED;
+        }
 }
 
 void __cpuinit cpu_cache_init(void)