From 5d20ee3192a58750ef8cc24b21aad23a82689be0 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Wed, 9 May 2018 23:00:00 +1000 Subject: kbuild: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selectable if enabled Architectures that are capable can select HAVE_LD_DEAD_CODE_DATA_ELIMINATION to enable selection of that option (as an EXPERT kernel option). Signed-off-by: Nicholas Piggin Signed-off-by: Masahiro Yamada --- arch/Kconfig | 15 --------------- 1 file changed, 15 deletions(-) (limited to 'arch/Kconfig') diff --git a/arch/Kconfig b/arch/Kconfig index 706dec4d295a..c88fa0eb49df 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -596,21 +596,6 @@ config CC_STACKPROTECTOR_AUTO endchoice -config LD_DEAD_CODE_DATA_ELIMINATION - bool - help - Select this if the architecture wants to do dead code and - data elimination with the linker by compiling with - -ffunction-sections -fdata-sections and linking with - --gc-sections. - - This requires that the arch annotates or otherwise protects - its external entry points from being discarded. Linker scripts - must also merge .text.*, .data.*, and .bss.* correctly into - output sections. Care must be taken not to pull in unrelated - sections (e.g., '.text.init'). Typically '.' in section names - is used to distinguish them from label names / C identifiers. - config HAVE_ARCH_WITHIN_STACK_FRAMES bool help -- cgit v1.2.3-59-g8ed1b