MIPS: save/restore MSACSR register on context switch
I added a field for the MSACSR register in struct mips_fpu_struct, but never actually made use of it... This is a clear bug. Save and restore the MSACSR register along with the vector registers. Signed-off-by: NPaul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7300/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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