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Linux build: always use objtool

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We silence `objtool` warnings on some object files using
`OBJECT_FILES_NON_STANDARD_some_file.o`. Nowadays `objtool` is
needed for CPU vulnerability mitigations and a lot more
functionality so its use is desirable.

Just remove the `OBJECT_FILES_NON_STANDARD` definitions. A follow-up
commit is needed to make the offending files standard and address
the compile time warnings.

Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Attila Fülöp <attila@fueloep.org>
Closes #17401
Closes #17364
This commit is contained in:
Attila Fülöp 2025-05-30 03:04:20 +02:00 committed by Brian Behlendorf
parent d92827b820
commit c1848f7261
1 changed files with 0 additions and 13 deletions
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13
module/Kbuild.in
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@ -180,14 +180,6 @@ $(addprefix $(obj)/icp/,$(ICP_OBJS) $(ICP_OBJS_X86) $(ICP_OBJS_X86_64) \
$(addprefix $(obj)/icp/,$(ICP_OBJS) $(ICP_OBJS_X86) $(ICP_OBJS_X86_64) \
$(ICP_OBJS_ARM64) $(ICP_OBJS_PPC_PPC64)) : ccflags-y += -I$(icp_include) -I$(zfs_include)/os/linux/spl -I$(zfs_include)
# Suppress objtool "return with modified stack frame" warnings.
OBJECT_FILES_NON_STANDARD_aesni-gcm-x86_64.o := y
# Suppress objtool "unsupported stack pointer realignment" warnings.
# See #6950 for the reasoning.
OBJECT_FILES_NON_STANDARD_sha256-x86_64.o := y
OBJECT_FILES_NON_STANDARD_sha512-x86_64.o := y
LUA_OBJS := \
lapi.o \
lauxlib.o \
@ -498,11 +490,6 @@ UBSAN_SANITIZE_sa.o := n
UBSAN_SANITIZE_zfs/zap_micro.o := n
UBSAN_SANITIZE_zfs/sa.o := n
# Suppress incorrect warnings from versions of objtool which are not
# aware of x86 EVEX prefix instructions used for AVX512.
OBJECT_FILES_NON_STANDARD_vdev_raidz_math_avx512bw.o := y
OBJECT_FILES_NON_STANDARD_vdev_raidz_math_avx512f.o := y
ifeq ($(CONFIG_ALTIVEC),y)
$(obj)/zfs/vdev_raidz_math_powerpc_altivec.o : c_flags += -maltivec
endif