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treewide: remove DISABLE_LTO

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This change removes all instances of DISABLE_LTO from
Makefiles, as they are currently unused, and the preferred
method of disabling LTO is to filter out the flags instead.

Note added by Masahiro Yamada:
DISABLE_LTO was added as preparation for GCC LTO, but GCC LTO was
not pulled into the mainline. (https://lkml.org/lkml/2014/4/8/272)

Suggested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Sami Tolvanen
2020-10-12 17:31:45 -07:00
committed by Masahiro Yamada
parent 0fa21cf448
commit 0f6372e522
5 changed files with 1 additions and 9 deletions
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kernel/Makefile
-3
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@@ -38,9 +38,6 @@ KASAN_SANITIZE_kcov.o := n
KCSAN_SANITIZE_kcov.o := n
CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
# cond_syscall is currently not LTO compatible
CFLAGS_sys_ni.o = $(DISABLE_LTO)
obj-y += sched/
obj-y += locking/
obj-y += power/