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linux/arch/arm64/kernel
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Nathan Chancellor 7caed8d5f1 arm64: Handle .ARM.attributes section in linker scripts 
commit ca0f4fe7cf upstream.

A recent LLVM commit [1] started generating an .ARM.attributes section
similar to the one that exists for 32-bit, which results in orphan
section warnings (or errors if CONFIG_WERROR is enabled) from the linker
because it is not handled in the arm64 linker scripts.

  ld.lld: error: arch/arm64/kernel/vdso/vgettimeofday.o:(.ARM.attributes) is being placed in '.ARM.attributes'
  ld.lld: error: arch/arm64/kernel/vdso/vgetrandom.o:(.ARM.attributes) is being placed in '.ARM.attributes'

  ld.lld: error: vmlinux.a(lib/vsprintf.o):(.ARM.attributes) is being placed in '.ARM.attributes'
  ld.lld: error: vmlinux.a(lib/win_minmax.o):(.ARM.attributes) is being placed in '.ARM.attributes'
  ld.lld: error: vmlinux.a(lib/xarray.o):(.ARM.attributes) is being placed in '.ARM.attributes'

Discard the new sections in the necessary linker scripts to resolve the
warnings, as the kernel and vDSO do not need to retain it, similar to
the .note.gnu.property section.

Cc: stable@vger.kernel.org
Fixes: b3e5d80d0c ("arm64/build: Warn on orphan section placement")
Link: ee99c4d484 [1]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20250206-arm64-handle-arm-attributes-in-linker-script-v3-1-d53d169913eb@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-02-21 14:01:37 +01:00
..
pi arm64/mm: Override PARange for !LPA2 and use it consistently 2025-02-17 10:05:05 +01:00
probes arm64: probes: Disable kprobes/uprobes on MOPS instructions 2024-12-05 14:01:10 +01:00
vdso arm64: Handle .ARM.attributes section in linker scripts 2025-02-21 14:01:37 +01:00
vdso32 arm64/vdso: Remove --hash-style=sysv 2024-07-23 15:28:23 +01:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
acpi.c Merge branch 'for-next/vcpu-hotplug' into for-next/core 2024-07-11 19:10:02 +01:00
acpi_numa.c arm64: ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE 2024-08-14 17:51:39 +01:00
acpi_parking_protocol.c arm64: smp: Remove dedicated wakeup IPI 2023-09-25 17:15:28 +01:00
alternative.c Merge branches 'for-next/kpti', 'for-next/missing-proto-warn', 'for-next/iss2-decode', 'for-next/kselftest', 'for-next/misc', 'for-next/feat_mops', 'for-next/module-alloc', 'for-next/sysreg', 'for-next/cpucap', 'for-next/acpi', 'for-next/kdump', 'for-next/acpi-doc', 'for-next/doc' and 'for-next/tpidr2-fix', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2023-06-23 18:32:20 +01:00
armv8_deprecated.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
asm-offsets.c KVM: arm64: Shave a few bytes from the EL2 idmap code 2024-10-17 09:17:56 +01:00
cacheinfo.c arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array 2025-02-21 14:01:19 +01:00
compat_alignment.c arm64: compat: Work around uninitialized variable warning 2023-04-05 17:51:47 +01:00
cpu-reset.S arm64: kernel: remove SHF_WRITE|SHF_EXECINSTR from .idmap.text 2023-05-02 12:42:22 +01:00
cpu_errata.c arm64: Subscribe Microsoft Azure Cobalt 100 to erratum 3194386 2024-10-04 12:38:03 +01:00
cpu_ops.c arm64: Introduce get_cpu_ops() helper function 2020-03-24 17:24:19 +00:00
cpufeature.c arm64/sme: Move storage of reg_smidr to __cpuinfo_store_cpu() 2025-02-17 10:05:05 +01:00
cpuinfo.c arm64/sme: Move storage of reg_smidr to __cpuinfo_store_cpu() 2025-02-17 10:05:05 +01:00
crash_dump.c vmcore: convert copy_oldmem_page() to take an iov_iter 2022-04-29 14:37:59 -07:00
debug-monitors.c arm64: Introduce esr_brk_comment, esr_is_cfi_brk 2024-06-20 17:40:54 +00:00
efi-header.S arm64: efi: Enable BTI codegen and add PE/COFF annotation 2023-04-20 15:43:45 +02:00
efi-rt-wrapper.S arm64: efi: Avoid workqueue to check whether EFI runtime is live 2023-01-16 15:27:31 +01:00
efi.c efi/arm64: Fix kmemleak false positive in arm64_efi_rt_init() 2024-06-15 10:25:02 +02:00
elfcore.c arm64: mte: Avoid the racy walk of the vma list during core dump 2023-01-05 15:12:12 +00:00
entry-common.c treewide: context_tracking: Rename CONTEXT_* into CT_STATE_* 2024-07-29 07:33:10 +05:30
entry-fpsimd.S arm64/sme: Implement context switching for ZT0 2023-01-20 12:23:06 +00:00
entry-ftrace.S arm64: ftrace: Enable HAVE_FUNCTION_GRAPH_RETVAL 2023-06-20 18:38:37 -04:00
entry.S arm64: entry: simplify kernel_exit logic 2024-01-18 11:00:09 +00:00
fpsimd.c arm64/sve: Discard stale CPU state when handling SVE traps 2024-11-06 13:49:39 +00:00
ftrace.c arm64: module: mandate MODULE_PLTS 2023-06-06 17:39:05 +01:00
head.S arm64/head: Disable MMU at EL2 before clearing HCR_EL2.E2H 2024-04-18 18:00:55 +01:00
hibernate-asm.S arm64: kexec: install a copy of the linear-map 2021-10-01 13:31:00 +01:00
hibernate.c arm64: hibernate: Fix warning for cast from restricted gfp_t 2024-09-12 12:48:58 +01:00
hw_breakpoint.c perf/bpf: Remove unneeded uses_default_overflow_handler() 2024-04-12 11:49:50 +02:00
hyp-stub.S ARM64: 2023-07-03 15:32:22 -07:00
idle.c arm64: idle: Tag the arm64 idle functions as __cpuidle 2023-09-25 17:15:28 +01:00
image-vars.h arm64: irqchip/gic-v3: Select priorities at boot time 2024-06-24 18:16:45 +01:00
image.h arm64: get rid of TEXT_OFFSET 2020-09-07 15:00:52 +01:00
io.c arm64/io: Provide a WC friendly __iowriteXX_copy() 2024-04-22 17:11:20 -03:00
irq.c arm64: irq: set the correct node for shadow call stack 2023-12-13 12:09:00 +00:00
jump_label.c arm64: jump_label: Ensure patched jump_labels are visible to all CPUs 2024-08-02 15:07:01 +01:00
kaslr.c arm64: kaslr: Use feature override instead of parsing the cmdline again 2024-02-16 12:42:31 +00:00
kexec_image.c kexec_file, arm64: print out debugging message if required 2023-12-20 15:02:57 -08:00
kgdb.c arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step 2023-04-14 13:39:47 +01:00
kuser32.S arm64: Update Documentation/arm references 2023-06-12 06:33:48 -06:00
machine_kexec.c arm64, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
machine_kexec_file.c arm64, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
Makefile arm64: cpuidle: Move ACPI specific code into drivers/acpi/arm64/ 2024-06-13 10:18:40 +01:00
Makefile.syscalls syscalls: fix syscall macros for newfstat/newfstatat 2024-08-02 15:20:47 +02:00
module-plts.c Merge branch 'for-next/cpus_have_const_cap' into for-next/core 2023-10-26 17:10:18 +01:00
module.c arch: make execmem setup available regardless of CONFIG_MODULES 2024-05-14 00:31:44 -07:00
mte.c arm64: start using 'asm goto' for get_user() when available 2024-06-19 12:33:38 -07:00
paravirt.c arm64: paravirt: remove conduit check in has_pv_steal_clock 2022-11-09 18:11:56 +00:00
patching.c arm64: patching: fix handling of execmem addresses 2024-05-24 11:55:06 -07:00
pci.c arm64: PCI: Migrate ACPI related functions to pci-acpi.c 2024-08-27 15:48:34 +02:00
perf_callchain.c arm64: Add USER_STACKTRACE support 2024-05-03 14:12:45 +01:00
perf_regs.c perf: arm64: Add SVE vector granule register to user regs 2022-09-22 15:06:02 +01:00
pointer_auth.c arm64: move preemption disablement to prctl handlers 2021-07-28 18:33:49 +01:00
process.c arm64: tls: Fix context-switching of tpidrro_el0 when kpti is enabled 2024-12-05 14:02:55 +01:00
proton-pack.c arm64: errata: Unify speculative SSBS errata logic 2024-06-12 16:07:21 +01:00
psci.c arm64: psci: Ignore DENIED CPUs 2024-06-28 18:38:31 +01:00
ptrace.c arm64: ptrace: fix partial SETREGSET for NT_ARM_POE 2024-12-14 20:03:22 +01:00
reloc_test_core.c ARM64: reloc_test: add missing MODULE_DESCRIPTION() macro 2024-06-13 10:23:54 +01:00
reloc_test_syms.S arm64: kernel: Convert to modern annotations for assembly functions 2020-05-04 12:46:03 +01:00
relocate_kernel.S arm64: kexec: load from kimage prior to clobbering 2022-05-17 14:25:35 +01:00
return_address.c arm64: Make return_address() use arch_stack_walk() 2021-12-10 14:06:04 +00:00
sdei.c arm64: sdei: abort running SDEI handlers during crash 2023-08-04 17:35:33 +01:00
setup.c of/fdt: add dt_phys arg to early_init_dt_scan and early_init_dt_verify 2024-12-05 14:01:32 +01:00
signal.c arm64: signal: Improve POR_EL0 handling to avoid uaccess failures 2024-10-29 17:59:12 +00:00
signal32.c arm64: rework compat syscall macros 2024-07-10 14:23:38 +02:00
sigreturn32.S arm64: rework compat syscall macros 2024-07-10 14:23:38 +02:00
sleep.S arm64: mm: Handle LVA support as a CPU feature 2024-02-16 12:42:36 +00:00
smccc-call.S arm64: smccc: Remove broken support for SMCCCv1.3 SVE discard hint 2024-11-07 11:18:52 +00:00
smp.c arm64 updates for 6.12 2024-09-16 06:55:07 +02:00
smp_spin_table.c treewide: Drop function_nocfi 2022-09-26 10:13:14 -07:00
stacktrace.c arm64: stacktrace: fix the usage of ftrace_graph_ret_addr() 2024-09-05 15:03:35 +01:00
suspend.c arm64/sme: Restore SME registers on exit from suspend 2024-02-20 12:19:15 +00:00
sys.c arm64: generate 64-bit syscall.tbl 2024-07-10 14:23:38 +02:00
sys32.c arm64: convert unistd_32.h to syscall.tbl format 2024-07-10 14:23:38 +02:00
sys_compat.c arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_1542419 2023-10-16 14:17:06 +01:00
syscall.c arm64: convert unistd_32.h to syscall.tbl format 2024-07-10 14:23:38 +02:00
time.c arm64: Make profile_pc() use arch_stack_walk() 2021-12-10 14:06:04 +00:00
topology.c arm64/amu: Use capacity_ref_freq() to set AMU ratio 2023-12-23 15:52:36 +01:00
trace-events-emulation.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
traps.c Merge branch 'for-next/timers' into for-next/core 2024-09-12 13:44:03 +01:00
vdso-wrap.S arm64: do not descend to vdso directories twice 2021-01-20 12:18:46 +00:00
vdso.c arm64: vDSO: Wire up getrandom() vDSO implementation 2024-09-13 17:28:36 +02:00
vdso32-wrap.S arm64: do not descend to vdso directories twice 2021-01-20 12:18:46 +00:00
vmcore_info.c crash: split vmcoreinfo exporting code out from crash_core.c 2024-02-23 17:48:22 -08:00
vmlinux.lds.S arm64: Handle .ARM.attributes section in linker scripts 2025-02-21 14:01:37 +01:00
watchdog_hld.c arm64: enable perf events based hard lockup detector 2023-06-09 17:44:22 -07:00