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ARCv2: fpu: preserve userspace fpu state

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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Vineet Gupta
2020-01-17 15:04:03 -08:00
parent f05523aa7a
commit f45ba2bd6d
6 changed files with 68 additions and 12 deletions
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2
arch/arc/kernel/Makefile
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@@ -23,7 +23,9 @@ obj-$(CONFIG_PERF_EVENTS) += perf_event.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
obj-$(CONFIG_ARC_FPU_SAVE_RESTORE) += fpu.o
ifdef CONFIG_ISA_ARCOMPACT
CFLAGS_fpu.o += -mdpfp
endif
ifdef CONFIG_ARC_DW2_UNWIND
CFLAGS_ctx_sw.o += -fno-omit-frame-pointer