Commit d4a0a177 authored Dec 19, 2017 by Sami Tolvanen Committed by Alistair Strachan May 20, 2019

ANDROID: arm64: vdso: disable LTO

Due to a bug in clang, vdso fails to build when both LTO_CLANG and
CC_OPTIMIZE_FOR_SIZE are enabled:

  https://bugs.llvm.org/show_bug.cgi?id=32155



Disable LTO for vdso to work around the problem.

Bug: 62093296
Bug: 67506682
Change-Id: I1d0279535fd389db4c829e4556f9ef728f240a34
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

parent 54a91da0

arch/arm64/kernel/vdso/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@ obj-vdso := $(addprefix $(obj)/, $(obj-vdso))
		ccflags-y := -shared -fno-common -fno-builtin
		ccflags-y += -nostdlib -Wl,-soname=linux-vdso.so.1 \
		$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
		ccflags-y += $(DISABLE_LTO)

		# Disable gcov profiling for VDSO code
		GCOV_PROFILE := n