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Date: Thu, 16 Jan 2020 20:43:41 +0100 From: Thomas Gleixner <tglx@...utronix.de> To: Vincenzo Frascino <vincenzo.frascino@....com>, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org Cc: paul.burton@...s.com, luto@...nel.org, kbuild test robot <lkp@...el.com> Subject: [PATCH] MIPS: vdso: Define BUILD_VDSO32 when building a 32bit kernel The confinement of the 32bit specific VDSO functions missed to define BUILD_VDSO32 when building a 32bit MIPS kernel: arch/mips/vdso/vgettimeofday.c: In function ‘__vdso_clock_gettime’: arch/mips/vdso/vgettimeofday.c:17:9: error: implicit declaration of function ‘__cvdso_clock_gettime32’ arch/mips/vdso/vgettimeofday.c: In function ‘__vdso_clock_getres’: arch/mips/vdso/vgettimeofday.c:39:9: error: implicit declaration of function ‘__cvdso_clock_getres_time32’ Force the define for 32bit builds in the VDSO Makefile. Fixes: bf279849ad59 ("lib/vdso: Build 32 bit specific functions in the right context") Reported-by: kbuild test robot <lkp@...el.com> Signed-off-by: Thomas Gleixner <tglx@...utronix.de> --- arch/mips/vdso/Makefile | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/mips/vdso/Makefile +++ b/arch/mips/vdso/Makefile @@ -18,6 +18,10 @@ ccflags-vdso := \ $(filter -mno-loongson-%,$(KBUILD_CFLAGS)) \ -D__VDSO__ +ifndef CONFIG_64BIT +ccflags-vdso += -DBUILD_VDSO32 +endif + ifdef CONFIG_CC_IS_CLANG ccflags-vdso += $(filter --target=%,$(KBUILD_CFLAGS)) endif
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