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57fbad15c2
linux/arch/arm/kernel
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Kees Cook 57fbad15c2 stackleak: Rename STACKLEAK to KSTACK_ERASE 
In preparation for adding Clang sanitizer coverage stack depth tracking
that can support stack depth callbacks:

- Add the new top-level CONFIG_KSTACK_ERASE option which will be
  implemented either with the stackleak GCC plugin, or with the Clang
  stack depth callback support.
- Rename CONFIG_GCC_PLUGIN_STACKLEAK as needed to CONFIG_KSTACK_ERASE,
  but keep it for anything specific to the GCC plugin itself.
- Rename all exposed "STACKLEAK" names and files to "KSTACK_ERASE" (named
  for what it does rather than what it protects against), but leave as
  many of the internals alone as possible to avoid even more churn.

While here, also split "prev_lowest_stack" into CONFIG_KSTACK_ERASE_METRICS,
since that's the only place it is referenced from.

Suggested-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250717232519.2984886-1-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
2025-07-21 21:35:01 -07:00
..
.gitignore
arch_timer.c
armksyms.c
asm-offsets.c arm: vdso: Switch to generic storage implementation 2025-02-21 09:54:02 +01:00
atags_compat.c
atags_parse.c vgacon: clean up global screen_info instances 2023-10-17 10:17:02 +02:00
atags_proc.c atags_proc: Add __counted_by for struct buffer and use struct_size() 2023-12-02 12:32:07 -08:00
atags.h
bios32.c PCI: Introduce pci_dev_for_each_resource() 2023-04-04 10:43:52 -05:00
bugs.c ARM: cpu: Switch to arch_cpu_finalize_init() 2023-06-16 10:15:59 +02:00
cacheinfo.c ARM: 9440/1: cacheinfo fix format field mask 2025-01-22 20:55:01 +00:00
cpuidle.c ARM: cpuidle: Drop of_device.h include 2023-04-13 17:46:34 -05:00
crash_dump.c vmcore: convert copy_oldmem_page() to take an iov_iter 2022-04-29 14:37:59 -07:00
debug.S
devtree.c of/fdt: add dt_phys arg to early_init_dt_scan and early_init_dt_verify 2024-10-29 15:32:45 -05:00
dma.c
early_printk.c
efi.c vgacon: clean up global screen_info instances 2023-10-17 10:17:02 +02:00
elf.c
entry-armv.S ARM: 9430/1: entry: Do a dummy read from VMAP shadow 2024-11-13 08:15:23 +00:00
entry-common.S stackleak: Rename STACKLEAK to KSTACK_ERASE 2025-07-21 21:35:01 -07:00
entry-ftrace.S ARM: 9382/1: ftrace: Define ftrace_stub_graph 2024-04-18 12:12:18 +01:00
entry-header.S context_tracking: Split user tracking Kconfig 2022-06-29 17:04:09 -07:00
entry-v7m.S ARM: mm: Make virt_to_pfn() a static inline 2023-05-29 11:27:08 +02:00
fiq.c ARM: 9315/1: fiq: include asm/mach/irq.h for prototypes 2023-06-19 09:36:00 +01:00
fiqasm.S
ftrace.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
head-common.S ARM: implement THREAD_INFO_IN_TASK for uniprocessor systems 2021-12-06 12:49:17 +01:00
head-inflate-data.c ARM: 9310/1: xip-kernel: add __inflate_kernel_data prototype 2023-06-19 09:35:56 +01:00
head-nommu.S ARM: mm: Make virt_to_pfn() a static inline 2023-05-29 11:27:08 +02:00
head.h ARM: 9310/1: xip-kernel: add __inflate_kernel_data prototype 2023-06-19 09:35:56 +01:00
head.S ARM: 9420/1: smp: Fix SMP for xip kernels 2024-11-12 16:38:47 +00:00
hibernate.c ARM: mm: Make virt_to_pfn() a static inline 2023-05-29 11:27:08 +02:00
hw_breakpoint.c ARM development updates for v6.10-rc1 2024-05-17 08:53:47 -07:00
hyp-stub.S ARM: 9263/1: use .arch directives instead of assembler command line flags 2022-11-08 18:36:17 +00:00
insn.c ARM: 9078/1: Add warn suppress parameter to arm_gen_branch_link() 2021-06-07 12:56:20 +01:00
io.c
irq.c ARM: Switch to irq_get_nr_irqs() / irq_set_nr_irqs() 2024-10-16 21:56:56 +02:00
isa.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
iwmmxt.h ARM: 9029/1: Make iwmmxt.S support Clang's integrated assembler 2020-12-08 10:14:59 +00:00
iwmmxt.S ARM: 9352/1: iwmmxt: Remove support for PJ4/PJ4B cores 2024-02-26 10:16:31 +00:00
jump_label.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
kgdb.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
machine_kexec.c kexec: Consolidate machine_kexec_mask_interrupts() implementation 2024-12-11 20:32:34 +01:00
Makefile arch: use always-$(KBUILD_BUILTIN) for vmlinux.lds 2025-06-07 14:38:07 +09:00
module-plts.c ARM: module: Use RCU in all users of __module_text_address(). 2025-03-10 11:54:45 +01:00
module.c ARM: 9400/1: Remove unused struct 'mod_unwind_map' 2024-06-10 12:01:30 +01:00
opcodes.c
paravirt.c x86/paravirt: Switch time pvops functions to use static_call() 2021-03-11 16:17:52 +01:00
patch.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
perf_callchain.c perf/arm: Drop unused functions 2024-11-14 10:40:00 +01:00
perf_regs.c perf/arch: Remove perf_sample_data::regs_user_copy 2020-11-09 18:12:34 +01:00
phys2virt.S
process.c ARM: kernel: Get rid of thread_info::used_cp[] array 2023-05-17 15:08:22 +02:00
psci_smp.c ARM: 9420/1: smp: Fix SMP for xip kernels 2024-11-12 16:38:47 +00:00
ptrace.c ARM updates for v6.6-rc1 2023-08-31 12:49:10 -07:00
reboot.c ARM: 9219/1: fix undeclared soft_restart 2022-07-28 15:09:17 +01:00
reboot.h
relocate_kernel.S ARM: kexec: fix oops after TLB are invalidated 2021-02-05 10:23:29 +00:00
return_address.c ARM: 9258/1: stacktrace: Make stack walk callback consistent with generic code 2022-11-08 18:36:18 +00:00
setup.c mm/memblock: add memblock_alloc_or_panic interface 2025-01-25 20:22:38 -08:00
signal.c x86/shstk: Add user control-protection fault handler 2023-08-02 15:01:50 -07:00
signal.h
sigreturn_codes.S
sleep.S ARM: 9381/1: kasan: clear stale stack poison 2024-04-29 14:11:25 +01:00
smccc-call.S ARM: 9075/1: kernel: Fix interrupted SMC calls 2021-04-18 19:15:14 +01:00
smp_scu.c
smp_tlb.c
smp_twd.c ARM: smp_twd: Remove clockevents shutdown call on offlining 2024-10-31 10:41:42 +01:00
smp.c ARM: 9442/1: smp: Fix IPI alignment in /proc/interrupts 2025-03-26 13:31:18 +00:00
spectre.c ARM: fix build error when BPF_SYSCALL is disabled 2022-03-08 12:53:05 -08:00
stacktrace.c ARM: 9259/1: stacktrace: Convert stacktrace to generic ARCH_STACKWALK 2022-11-14 12:00:57 +00:00
suspend.c ARM: 9358/2: Implement PAN for LPAE by TTBR0 page table walks disablement 2024-04-18 12:10:46 +01:00
swp_emulate.c ARM: 9263/1: use .arch directives instead of assembler command line flags 2022-11-08 18:36:17 +00:00
sys_arm.c ARM: 9309/1: add missing syscall prototypes 2023-06-19 09:35:55 +01:00
sys_oabi-compat.c fdget_raw() users: switch to CLASS(fd_raw) 2024-11-03 01:28:06 -05:00
tcm.c ARM: mm: Make virt_to_pfn() a static inline 2023-05-29 11:27:08 +02:00
thumbee.c
time.c ARM: rpc: use legacy_timer_tick 2020-10-30 21:57:05 +01:00
topology.c sched/balancing: Rename rebalance_domains() => sched_balance_domains() 2024-03-12 11:59:59 +01:00
traps.c arm: Rely on generic printing of preemption model 2025-03-17 11:23:39 +01:00
unwind.c ARM: 9349/1: unwind: Add missing "Call trace:" line 2024-02-24 16:47:19 +00:00
v7m.c
vdso.c arm: vdso: Switch to generic storage implementation 2025-02-21 09:54:02 +01:00
vmcore_info.c arch, crash: move arch_crash_save_vmcoreinfo() out to file vmcore_info.c 2024-02-23 17:48:25 -08:00
vmlinux-xip.lds.S ARM: 9439/1: arm32: simplify ARM_MMU_KEEP usage 2025-03-26 13:31:13 +00:00
vmlinux.lds.S ARM: 9439/1: arm32: simplify ARM_MMU_KEEP usage 2025-03-26 13:31:13 +00:00
xscale-cp0.c ARM: iwmmxt: Use undef hook to enable coprocessor for task 2023-05-17 15:08:22 +02:00