tree 7753ca13db2de3a589b65f6ff1770b92cdba0689
parent b83406735a4ae0aff4b614664d6a64a0fd6b9917
author Paul Burton <paul.burton@imgtec.com> 1405093470 +0100
committer Ralf Baechle <ralf@linux-mips.org> 1406930803 +0200

MIPS: save/disable MSA in lose_fpu

The kernel depends upon MSA never being enabled when the FPU is not, a
condition which is currently violated in a few places (whilst saving
sigcontext, following mips_cpu_save). Catch all the problem cases by
disabling MSA in lose_fpu, after saving context if necessary.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7302/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>