Commit 2a6cb669 authored Jul 11, 2014 by Paul Burton Committed by Ralf Baechle Aug 02, 2014

MIPS: Don't build MSA support unless it can be used



MSA requires that Status.FR == 1, so for MIPS32 tasks MSA can only be
used if CONFIG_MIPS_O32_FP64_SUPPORT is enabled. If it is not & the
kernel is 32bit, there's no point including support for MSA.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7310/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent 7daef8f2

arch/mips/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -2117,6 +2117,7 @@ config CPU_MICROMIPS
		config CPU_HAS_MSA
		bool "Support for the MIPS SIMD Architecture"
		depends on CPU_SUPPORTS_MSA
		depends on 64BIT \|\| MIPS_O32_FP64_SUPPORT
		default y
		help
		MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers