From: Thomas Gleixner Date: Thu, 16 Jan 2020 19:43:41 +0000 (+0100) Subject: MIPS: vdso: Define BUILD_VDSO32 when building a 32bit kernel X-Git-Tag: v5.15~4663^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=99570c3da96a0f7aa11c6ad4981776f3adabf3b5;p=platform%2Fkernel%2Flinux-starfive.git 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 Signed-off-by: Thomas Gleixner Acked-by: Paul Burton Link: https://lore.kernel.org/r/87d0bjfaqa.fsf@nanos.tec.linutronix.de --- diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile index e059389..b2a2e03 100644 --- 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