diff options
Diffstat (limited to 'arch/arm64/include/asm/mmu_context.h')
| -rw-r--r-- | arch/arm64/include/asm/mmu_context.h | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index f0fe2d09d139..c768d16b81a4 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -20,41 +20,13 @@ #include <asm/cpufeature.h> #include <asm/daifflags.h> #include <asm/proc-fns.h> +#include <asm-generic/mm_hooks.h> #include <asm/cputype.h> #include <asm/sysreg.h> #include <asm/tlbflush.h> extern bool rodata_full; -static inline int arch_dup_mmap(struct mm_struct *oldmm, - struct mm_struct *mm) -{ - return 0; -} - -static inline void arch_exit_mmap(struct mm_struct *mm) -{ -} - -static inline void arch_unmap(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - -static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, - bool write, bool execute, bool foreign) -{ - if (IS_ENABLED(CONFIG_ARM64_WXN) && execute && - (vma->vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) { - pr_warn_ratelimited( - "process %s (%d) attempted to execute from writable memory\n", - current->comm, current->pid); - /* disallow unless the nowxn override is set */ - return !arm64_wxn_enabled(); - } - return true; -} - static inline void contextidr_thread_switch(struct task_struct *next) { if (!IS_ENABLED(CONFIG_PID_IN_CONTEXTIDR)) |