powerpc: On POWERNV enable PPC_DENORMALISATION by default

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>
CC: <stable@vger.kernel.org>

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3bf72cd2c8fcbf0f8feebe915d4dc2aca3f44f28..dbd9d3c991e86ca61e16fff87047bd6956b21420 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -566,7 +566,7 @@ 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.