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authorPaul Burton <paul.burton@imgtec.com>2014-07-11 17:47:14 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-08-02 00:06:45 +0200
commit2a6cb6690f614b0cf4e1e06eb226c1e1374113e4 (patch)
tree8b98d8224853cf28cba5927a3b9731c8d0505307 /arch/mips/Kconfig
parentMIPS: consistently clear MSA flags when starting & copying threads (diff)
downloadlinux-2a6cb6690f614b0cf4e1e06eb226c1e1374113e4.tar.xz
linux-2a6cb6690f614b0cf4e1e06eb226c1e1374113e4.zip
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>
Diffstat (limited to 'arch/mips/Kconfig')
-rw-r--r--arch/mips/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 5652bd4a9220..a159a8f70c8d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -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