diff options
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/bug.h | 35 | ||||
| -rw-r--r-- | arch/riscv/include/asm/cfi.h | 16 | ||||
| -rw-r--r-- | arch/riscv/include/asm/pgtable-64.h | 16 | ||||
| -rw-r--r-- | arch/riscv/include/asm/pgtable-bits.h | 1 | ||||
| -rw-r--r-- | arch/riscv/include/asm/pgtable.h | 22 | ||||
| -rw-r--r-- | arch/riscv/include/asm/tlbflush.h | 1 |
6 files changed, 21 insertions, 70 deletions
diff --git a/arch/riscv/include/asm/bug.h b/arch/riscv/include/asm/bug.h index 1aaea81fb141..4c03e20ad11f 100644 --- a/arch/riscv/include/asm/bug.h +++ b/arch/riscv/include/asm/bug.h @@ -31,40 +31,45 @@ typedef u32 bug_insn_t; #ifdef CONFIG_GENERIC_BUG_RELATIVE_POINTERS #define __BUG_ENTRY_ADDR RISCV_INT " 1b - ." -#define __BUG_ENTRY_FILE RISCV_INT " %0 - ." +#define __BUG_ENTRY_FILE(file) RISCV_INT " " file " - ." #else #define __BUG_ENTRY_ADDR RISCV_PTR " 1b" -#define __BUG_ENTRY_FILE RISCV_PTR " %0" +#define __BUG_ENTRY_FILE(file) RISCV_PTR " " file #endif #ifdef CONFIG_DEBUG_BUGVERBOSE -#define __BUG_ENTRY \ +#define __BUG_ENTRY(file, line, flags) \ __BUG_ENTRY_ADDR "\n\t" \ - __BUG_ENTRY_FILE "\n\t" \ - RISCV_SHORT " %1\n\t" \ - RISCV_SHORT " %2" + __BUG_ENTRY_FILE(file) "\n\t" \ + RISCV_SHORT " " line "\n\t" \ + RISCV_SHORT " " flags #else -#define __BUG_ENTRY \ - __BUG_ENTRY_ADDR "\n\t" \ - RISCV_SHORT " %2" +#define __BUG_ENTRY(file, line, flags) \ + __BUG_ENTRY_ADDR "\n\t" \ + RISCV_SHORT " " flags #endif #ifdef CONFIG_GENERIC_BUG -#define __BUG_FLAGS(flags) \ -do { \ - __asm__ __volatile__ ( \ + +#define ARCH_WARN_ASM(file, line, flags, size) \ "1:\n\t" \ "ebreak\n" \ ".pushsection __bug_table,\"aw\"\n\t" \ "2:\n\t" \ - __BUG_ENTRY "\n\t" \ - ".org 2b + %3\n\t" \ + __BUG_ENTRY(file, line, flags) "\n\t" \ + ".org 2b + " size "\n\t" \ ".popsection" \ + +#define __BUG_FLAGS(flags) \ +do { \ + __asm__ __volatile__ ( \ + ARCH_WARN_ASM("%0", "%1", "%2", "%3") \ : \ : "i" (__FILE__), "i" (__LINE__), \ "i" (flags), \ "i" (sizeof(struct bug_entry))); \ } while (0) + #else /* CONFIG_GENERIC_BUG */ #define __BUG_FLAGS(flags) do { \ __asm__ __volatile__ ("ebreak\n"); \ @@ -78,6 +83,8 @@ do { \ #define __WARN_FLAGS(flags) __BUG_FLAGS(BUGFLAG_WARNING|(flags)) +#define ARCH_WARN_REACHABLE + #define HAVE_ARCH_BUG #include <asm-generic/bug.h> diff --git a/arch/riscv/include/asm/cfi.h b/arch/riscv/include/asm/cfi.h index fb9696d7a3f2..4508aaa7a2fd 100644 --- a/arch/riscv/include/asm/cfi.h +++ b/arch/riscv/include/asm/cfi.h @@ -14,27 +14,11 @@ struct pt_regs; #ifdef CONFIG_CFI_CLANG enum bug_trap_type handle_cfi_failure(struct pt_regs *regs); #define __bpfcall -static inline int cfi_get_offset(void) -{ - return 4; -} - -#define cfi_get_offset cfi_get_offset -extern u32 cfi_bpf_hash; -extern u32 cfi_bpf_subprog_hash; -extern u32 cfi_get_func_hash(void *func); #else static inline enum bug_trap_type handle_cfi_failure(struct pt_regs *regs) { return BUG_TRAP_TYPE_NONE; } - -#define cfi_bpf_hash 0U -#define cfi_bpf_subprog_hash 0U -static inline u32 cfi_get_func_hash(void *func) -{ - return 0; -} #endif /* CONFIG_CFI_CLANG */ #endif /* _ASM_RISCV_CFI_H */ diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h index 7de05db7d3bd..1018d2216901 100644 --- a/arch/riscv/include/asm/pgtable-64.h +++ b/arch/riscv/include/asm/pgtable-64.h @@ -397,24 +397,8 @@ static inline struct page *pgd_page(pgd_t pgd) p4d_t *p4d_offset(pgd_t *pgd, unsigned long address); #ifdef CONFIG_TRANSPARENT_HUGEPAGE -static inline int pte_devmap(pte_t pte); static inline pte_t pmd_pte(pmd_t pmd); static inline pte_t pud_pte(pud_t pud); - -static inline int pmd_devmap(pmd_t pmd) -{ - return pte_devmap(pmd_pte(pmd)); -} - -static inline int pud_devmap(pud_t pud) -{ - return pte_devmap(pud_pte(pud)); -} - -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif #endif /* _ASM_RISCV_PGTABLE_64_H */ diff --git a/arch/riscv/include/asm/pgtable-bits.h b/arch/riscv/include/asm/pgtable-bits.h index a8f5205cea54..179bd4afece4 100644 --- a/arch/riscv/include/asm/pgtable-bits.h +++ b/arch/riscv/include/asm/pgtable-bits.h @@ -19,7 +19,6 @@ #define _PAGE_SOFT (3 << 8) /* Reserved for software */ #define _PAGE_SPECIAL (1 << 8) /* RSW: 0x1 */ -#define _PAGE_DEVMAP (1 << 9) /* RSW, devmap */ #define _PAGE_TABLE _PAGE_PRESENT /* diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 5bd5aae60d53..91697fbf1f90 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -409,13 +409,6 @@ static inline int pte_special(pte_t pte) return pte_val(pte) & _PAGE_SPECIAL; } -#ifdef CONFIG_ARCH_HAS_PTE_DEVMAP -static inline int pte_devmap(pte_t pte) -{ - return pte_val(pte) & _PAGE_DEVMAP; -} -#endif - /* static inline pte_t pte_rdprotect(pte_t pte) */ static inline pte_t pte_wrprotect(pte_t pte) @@ -457,11 +450,6 @@ static inline pte_t pte_mkspecial(pte_t pte) return __pte(pte_val(pte) | _PAGE_SPECIAL); } -static inline pte_t pte_mkdevmap(pte_t pte) -{ - return __pte(pte_val(pte) | _PAGE_DEVMAP); -} - static inline pte_t pte_mkhuge(pte_t pte) { return pte; @@ -790,11 +778,6 @@ static inline pmd_t pmd_mkdirty(pmd_t pmd) return pte_pmd(pte_mkdirty(pmd_pte(pmd))); } -static inline pmd_t pmd_mkdevmap(pmd_t pmd) -{ - return pte_pmd(pte_mkdevmap(pmd_pte(pmd))); -} - #ifdef CONFIG_ARCH_SUPPORTS_PMD_PFNMAP static inline bool pmd_special(pmd_t pmd) { @@ -946,11 +929,6 @@ static inline pud_t pud_mkhuge(pud_t pud) return pud; } -static inline pud_t pud_mkdevmap(pud_t pud) -{ - return pte_pud(pte_mkdevmap(pud_pte(pud))); -} - static inline int pudp_set_access_flags(struct vm_area_struct *vma, unsigned long address, pud_t *pudp, pud_t entry, int dirty) diff --git a/arch/riscv/include/asm/tlbflush.h b/arch/riscv/include/asm/tlbflush.h index 1a20dd746a49..eed0abc40514 100644 --- a/arch/riscv/include/asm/tlbflush.h +++ b/arch/riscv/include/asm/tlbflush.h @@ -63,7 +63,6 @@ void flush_pud_tlb_range(struct vm_area_struct *vma, unsigned long start, bool arch_tlbbatch_should_defer(struct mm_struct *mm); void arch_tlbbatch_add_pending(struct arch_tlbflush_unmap_batch *batch, struct mm_struct *mm, unsigned long start, unsigned long end); -void arch_flush_tlb_batched_pending(struct mm_struct *mm); void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch); extern unsigned long tlb_flush_all_threshold; |