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57fbad15c2
linux/arch/riscv/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
..
compat_vdso Makefile: remove redundant tool coverage variables 2024-05-14 23:35:48 +09:00
pi stackleak: Rename STACKLEAK to KSTACK_ERASE 2025-07-21 21:35:01 -07:00
probes riscv: uprobes: Add missing fence.i after building the XOL buffer 2025-04-24 13:20:02 -07:00
tests treewide: replace or remove redundant def_bool in Kconfig files 2024-02-20 20:47:45 +09:00
vdso Merge tag 'riscv-mw2-6.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/alexghiti/linux into for-next 2025-06-05 14:03:16 -07:00
vendor_extensions riscv: hwprobe: Add SiFive xsfvfwmaccqqq vendor extension 2025-05-08 11:01:44 -07:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
acpi_numa.c ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE 2024-09-20 01:31:26 -07:00
acpi.c mm/ioremap: pass pgprot_t to ioremap_prot() instead of unsigned long 2025-03-16 22:06:23 -07:00
alternative.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
asm-offsets.c riscv: uaccess: Only restore the CSR_STATUS SUM bit 2025-06-05 14:03:17 -07:00
bugs.c riscv: Add ghostwrite vulnerability 2025-01-18 12:33:39 -08:00
cacheinfo.c riscv: cacheinfo: Use of_property_present() for non-boolean properties 2025-02-14 13:04:20 -08:00
cfi.c bpf, riscv64/cfi: Support kCFI + BPF on riscv64 2024-03-06 15:18:16 -08:00
compat_signal.c riscv: compat: signal: Add rt_frame implementation 2022-05-17 16:37:21 -07:00
compat_syscall_table.c riscv: convert to generic syscall table 2024-07-10 14:23:38 +02:00
copy-unaligned.h RISC-V: Report vector unaligned access speed hwprobe 2024-10-18 12:38:34 -07:00
copy-unaligned.S riscv: Use SYM_*() assembly macros instead of deprecated ones 2023-11-06 09:42:47 -08:00
cpu_ops_sbi.c riscv: prevent pt_regs corruption for secondary idle threads 2024-05-30 09:42:51 -07:00
cpu_ops_spinwait.c riscv: prevent pt_regs corruption for secondary idle threads 2024-05-30 09:42:51 -07:00
cpu_ops.c riscv: Use the same CPU operations for all CPUs 2024-01-04 15:03:07 -08:00
cpu-hotplug.c riscv: Use '%u' to format the output of 'cpu' 2024-10-25 06:18:40 -07:00
cpu.c riscv: Add vendor extensions to /proc/cpuinfo 2024-07-22 15:36:55 -07:00
cpufeature.c riscv: Add support for Zicbop 2025-06-05 11:09:37 -07:00
crash_dump.c vmcore: convert copy_oldmem_page() to take an iov_iter 2022-04-29 14:37:59 -07:00
crash_save_regs.S RISC-V: Fixup get incorrect user mode PC for kernel mode regs 2022-08-11 08:54:40 -07:00
efi-header.S include: pe.h: Fix PE definitions 2025-05-21 16:46:37 +02:00
efi.c riscv: Use accessors to page table entries instead of direct dereference 2023-12-20 10:48:15 -08:00
entry.S stackleak: Rename STACKLEAK to KSTACK_ERASE 2025-07-21 21:35:01 -07:00
fpu.S RISC-V: Replace RISCV_MISALIGNED with RISCV_SCALAR_MISALIGNED 2024-10-18 12:38:32 -07:00
ftrace.c riscv: ftrace: support direct call using call_ops 2025-06-05 11:09:31 -07:00
head.h riscv: entry: Convert to generic entry 2023-03-23 08:47:00 -07:00
head.S RISC-V: KVM: Remove scounteren initialization 2025-05-21 09:34:55 +05:30
hibernate-asm.S riscv: Use SYM_*() assembly macros instead of deprecated ones 2023-11-06 09:42:47 -08:00
hibernate.c riscv: hibernate: remove WARN_ON in save_processor_state 2023-06-23 10:06:22 -07:00
image-vars.h efi: move screen_info into efi init code 2023-10-17 16:33:39 +02:00
irq.c Merge patch "drivers: perf: Do not broadcast to other cpus when starting a counter" 2023-11-09 06:44:13 -08:00
jump_label.c riscv: Move nop definition to insn-def.h 2025-03-20 09:14:42 +00:00
kernel_mode_fpu.c riscv: add support for kernel-mode FPU 2024-05-19 14:36:19 -07:00
kernel_mode_vector.c riscv: vector: Support xtheadvector save/restore 2025-01-18 12:33:33 -08:00
kexec_elf.c riscv: kexec_file: Split the loading of kernel and others 2025-06-05 11:09:33 -07:00
kexec_image.c riscv: kexec_file: Support loading Image binary file 2025-06-05 11:09:34 -07:00
kexec_relocate.S riscv: kexec: Cleanup riscv_kexec_relocate 2023-09-20 02:53:29 -07:00
kgdb.c riscv: KGDB: Remove ".option norvc/.option rvc" for kgdb_compiled_break 2025-04-16 07:29:34 -07:00
machine_kexec_file.c riscv: kexec_file: Support loading Image binary file 2025-06-05 11:09:34 -07:00
machine_kexec.c kexec: Consolidate machine_kexec_mask_interrupts() implementation 2024-12-11 20:32:34 +01:00
Makefile Kbuild updates for v6.16 2025-06-07 10:05:35 -07:00
Makefile.syscalls syscalls: fix syscall macros for newfstat/newfstatat 2024-08-02 15:20:47 +02:00
mcount-dyn.S riscv: ftrace: support direct call using call_ops 2025-06-05 11:09:31 -07:00
mcount.S riscv: fgraph: Fix stack layout to match __arch_ftrace_regs argument of ftrace_return_to_handler 2025-03-19 12:03:25 +00:00
module-sections.c riscv: module: Optimize PLT/GOT entry counting 2025-06-05 11:09:43 -07:00
module.c riscv: module: Fix out-of-bounds relocation access 2025-04-14 13:07:07 +00:00
paravirt.c RISC-V: KVM: Rename the SBI_STA_SHMEM_DISABLE to a generic name 2024-04-22 11:13:52 +05:30
patch.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
perf_callchain.c The biggest change here is eliminating the awful idea that KVM had, of 2024-11-23 16:00:50 -08:00
perf_regs.c perf/arch: Remove perf_sample_data::regs_user_copy 2020-11-09 18:12:34 +01:00
process.c RISC-V Patches for the 6.16 Merge Window, Part 1 2025-06-06 18:05:18 -07:00
ptrace.c riscv: Allow ptrace control of the tagged address ABI 2024-10-24 14:12:57 -07:00
reset.c riscv: Use do_kernel_power_off() 2022-05-19 19:30:30 +02:00
return_address.c riscv: add CALLER_ADDRx support 2024-02-22 12:17:47 -08:00
riscv_ksyms.c riscv: Omit optimized string routines when using KASAN 2024-09-19 01:10:00 -07:00
sbi_ecall.c riscv: Fix RISCV_ALTERNATIVE_EARLY 2024-09-03 07:57:55 -07:00
sbi-ipi.c RISC-V: Enable the IPI before workqueue_online_cpu() 2024-08-01 07:15:43 -07:00
sbi.c riscv: sbi: add SBI FWFT extension calls 2025-06-04 15:11:02 -07:00
setup.c riscv: Properly export reserved regions in /proc/iomem 2025-04-14 13:07:07 +00:00
signal.c riscv: signal: fix signal frame size 2025-02-14 13:06:44 -08:00
smp.c riscv: print hartid on bringup 2025-04-01 07:03:03 +00:00
smpboot.c riscv: print hartid on bringup 2025-04-01 07:03:03 +00:00
soc.c riscv: Fix builtin DTB handling 2021-01-07 19:00:50 -08:00
stacktrace.c riscv: remove useless pc check in stacktrace handling 2025-03-18 09:06:21 +00:00
suspend_entry.S riscv: Use SYM_*() assembly macros instead of deprecated ones 2023-11-06 09:42:47 -08:00
suspend.c riscv: Add stimecmp save and restore 2025-03-18 12:59:03 +00:00
sys_hwprobe.c Merge tag 'riscv-mw1-6.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/alexghiti/linux into for-next 2025-06-05 12:26:06 -07:00
sys_riscv.c syscalls: mmap(): use unsigned offset type consistently 2024-06-25 15:57:38 +02:00
syscall_table.c riscv: convert to generic syscall table 2024-07-10 14:23:38 +02:00
time.c RISC-V: paravirt: Add skeleton for pv-time support 2023-12-30 11:25:03 +05:30
traps_misaligned.c Merge patch series "riscv: add SBI FWFT misaligned exception delegation support" 2025-06-05 14:03:19 -07:00
traps.c riscv: misaligned: enable IRQs while handling misaligned accesses 2025-05-08 12:00:36 +00:00
unaligned_access_speed.c riscv: misaligned: request misaligned exception from SBI 2025-06-04 15:11:03 -07:00
vdso.c riscv: enable mseal sysmap for RV64 2025-06-05 14:03:08 -07:00
vec-copy-unaligned.S riscv: Fix the __riscv_copy_vec_words_unaligned implementation 2025-03-18 13:37:27 +00:00
vector.c RISC-V Patches for the 6.14 Merge Window, Part 1 2025-01-31 15:13:25 -08:00
vendor_extensions.c riscv: Add SiFive xsfvqmaccdod and xsfvqmaccqoq vendor extensions 2025-05-08 11:01:43 -07:00
vmcore_info.c riscv: don't export va_kernel_pa_offset in vmcoreinfo for XIP kernel 2024-09-12 07:22:56 -07:00
vmlinux-xip.lds.S riscv: remove limit on the size of read-only section for XIP kernel 2024-09-12 07:23:02 -07:00
vmlinux.lds.S riscv: Add runtime constant support 2025-03-20 09:15:03 +00:00