[SPARC64]: Create a HWCAP_SPARC_N2 and report it to userspace on Niagara-2.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h
index 303d85e2f82ee003b1a6866b766ebb1731975d0d..8653e86650097b4de2d7635a6231a1e684fd082c 100644 (file)
--- a/include/asm-sparc64/elf.h
+++ b/include/asm-sparc64/elf.h
@@ -70,6 +70,7 @@
 #define HWCAP_SPARC_V9         16
 #define HWCAP_SPARC_ULTRA3     32
 #define HWCAP_SPARC_BLKINIT    64
+#define HWCAP_SPARC_N2         128
 
 /*
  * These are used to set parameters in the core dumps.
@@ -155,8 +156,13 @@ static inline unsigned int sparc64_elf_hwcap(void)
 
        if (tlb_type == cheetah || tlb_type == cheetah_plus)
                cap |= HWCAP_SPARC_ULTRA3;
-       else if (tlb_type == hypervisor)
-               cap |= HWCAP_SPARC_BLKINIT;
+       else if (tlb_type == hypervisor) {
+               if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
+                   sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
+                       cap |= HWCAP_SPARC_BLKINIT;
+               if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
+                       cap |= HWCAP_SPARC_N2;
+       }
 
        return cap;
 }