MIPS: Build microMIPS VDSO for microMIPS kernels
authorJames Hogan <james.hogan@imgtec.com>
Tue, 24 May 2016 08:35:11 +0000 (09:35 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Sat, 28 May 2016 10:35:12 +0000 (12:35 +0200)
MicroMIPS kernels may be expected to run on microMIPS only cores which
don't support the normal MIPS instruction set, so be sure to pass the
-mmicromips flag through to the VDSO cflags.

Fixes: ebb5e78cc634 ("MIPS: Initial implementation of a VDSO")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 4.4.x-
Patchwork: https://patchwork.linux-mips.org/patch/13349/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/vdso/Makefile

index fff01eddf3e915f384d43c417aad04a76797dad7..3b4538ec0102d5d28b15bc6421db11663fb377ff 100644 (file)
@@ -5,6 +5,7 @@ obj-vdso-y := elf.o gettimeofday.o sigreturn.o
 ccflags-vdso := \
        $(filter -I%,$(KBUILD_CFLAGS)) \
        $(filter -E%,$(KBUILD_CFLAGS)) \
+       $(filter -mmicromips,$(KBUILD_CFLAGS)) \
        $(filter -march=%,$(KBUILD_CFLAGS))
 cflags-vdso := $(ccflags-vdso) \
        $(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
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