powerpc: On POWERNV enable PPC_DENORMALISATION by default
Anton Blanchard [Wed, 31 Jul 2013 06:31:26 +0000 (16:31 +1000)]
commit 4e90a2a7375e86827541bda9393414c03e7721c6 upstream.

We want PPC_DENORMALISATION enabled when POWERNV is enabled,
so update the Kconfig.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/powerpc/Kconfig

index c33e3ad..74991fe 100644 (file)
@@ -572,7 +572,7 @@ config SCHED_SMT
 config PPC_DENORMALISATION
        bool "PowerPC denormalisation exception handling"
        depends on PPC_BOOK3S_64
-       default "n"
+       default "y" if PPC_POWERNV
        ---help---
          Add support for handling denormalisation of single precision
          values.  Useful for bare metal only.  If unsure say Y here.