diff options
Diffstat (limited to 'arch/riscv/include/asm/kfence.h')
| -rw-r--r-- | arch/riscv/include/asm/kfence.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/riscv/include/asm/kfence.h b/arch/riscv/include/asm/kfence.h index 0bbffd528096..d08bf7fb3aee 100644 --- a/arch/riscv/include/asm/kfence.h +++ b/arch/riscv/include/asm/kfence.h @@ -18,11 +18,13 @@ static inline bool kfence_protect_page(unsigned long addr, bool protect) pte_t *pte = virt_to_kpte(addr); if (protect) - set_pte(pte, __pte(pte_val(*pte) & ~_PAGE_PRESENT)); + set_pte(pte, __pte(pte_val(ptep_get(pte)) & ~_PAGE_PRESENT)); else - set_pte(pte, __pte(pte_val(*pte) | _PAGE_PRESENT)); + set_pte(pte, __pte(pte_val(ptep_get(pte)) | _PAGE_PRESENT)); - flush_tlb_kernel_range(addr, addr + PAGE_SIZE); + preempt_disable(); + local_flush_tlb_kernel_range(addr, addr + PAGE_SIZE); + preempt_enable(); return true; } |