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riscv: vdso: Simplify cflags remove logic

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Listing all flags for each object file is tedious and error-prone.

Replace it with a simpler solution.

Link: https://lore.kernel.org/all/20260630135316-f26f0e0f-c08c-4d4d-9963-10f9985a7689@linutronix.de/
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://patch.msgid.link/20260701-riscv-vdso-lto-v1-2-89db0cd82077@linutronix.de
Signed-off-by: Paul Walmsley <pjw@kernel.org>
This commit is contained in:
Thomas Weißschuh 2026-08-07 19:24:30 -06:00 committed by Paul Walmsley
parent 905be00304
commit 9cfff2edcc
1 changed files with 2 additions and 5 deletions
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7
arch/riscv/kernel/vdso/Makefile
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@ -41,6 +41,8 @@ ccflags-y += $(CFI_FULL)
asflags-y += $(KBUILD_BASE_ISA)$(CFI_MARCH)
asflags-y += $(CFI_FULL)
ccflags-remove-y += $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) $(CC_FLAGS_LTO)
ifneq ($(c-gettimeofday-y),)
CFLAGS_vgettimeofday.o += -fPIC -include $(c-gettimeofday-y)
endif
@ -68,11 +70,6 @@ ifneq ($(filter vgettimeofday, $(vdso-syms)),)
CPPFLAGS_$(vdso_lds) += -DHAS_VGETTIMEOFDAY
endif
# Disable -pg to prevent insert call site
CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) $(CC_FLAGS_LTO)
CFLAGS_REMOVE_getrandom.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) $(CC_FLAGS_LTO)
CFLAGS_REMOVE_hwprobe.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) $(CC_FLAGS_LTO)
# Force dependency
$(obj)/$(vdso_o): $(obj)/$(vdso_so)