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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-07-16 22:45:43 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-07-16 22:45:43 +0200 |
| commit | ce5a51bfacf7a2953f8fa309a8fc8540c2e288da (patch) | |
| tree | c14afaeac549e50eedff24b1f9dce1d06b390cc7 /arch/arm | |
| parent | Merge tag 'pstore-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff) | |
| parent | randomize_kstack: Improve stack alignment codegen (diff) | |
| download | linux-ce5a51bfacf7a2953f8fa309a8fc8540c2e288da.tar.xz linux-ce5a51bfacf7a2953f8fa309a8fc8540c2e288da.zip | |
Merge tag 'hardening-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
- lkdtm/bugs: add test for hung smp_call_function_single() (Mark
Rutland)
- gcc-plugins: Remove duplicate included header file stringpool.h
(Thorsten Blum)
- ARM: Remove address checking for MMUless devices (Yanjun Yang)
- randomize_kstack: Clean up per-arch entropy and codegen
- KCFI: Make FineIBT mode Kconfig selectable
- fortify: Do not special-case 0-sized destinations
* tag 'hardening-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
randomize_kstack: Improve stack alignment codegen
ARM: Remove address checking for MMUless devices
gcc-plugins: Remove duplicate included header file stringpool.h
randomize_kstack: Remove non-functional per-arch entropy filtering
fortify: Do not special-case 0-sized destinations
x86/alternatives: Make FineIBT mode Kconfig selectable
lkdtm/bugs: add test for hung smp_call_function_single()
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mm/fault.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 67c425341a95..ab01b51de559 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -25,6 +25,8 @@ #include "fault.h" +#ifdef CONFIG_MMU + bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size) { unsigned long addr = (unsigned long)unsafe_src; @@ -32,8 +34,6 @@ bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size) return addr >= TASK_SIZE && ULONG_MAX - addr >= size; } -#ifdef CONFIG_MMU - /* * This is useful to dump out the page tables associated with * 'addr' in mm 'mm'. |