diff options
Diffstat (limited to 'arch/riscv')
-rw-r--r-- | arch/riscv/include/asm/fixmap.h | 2 | ||||
-rw-r--r-- | arch/riscv/include/asm/io.h | 2 | ||||
-rw-r--r-- | arch/riscv/include/asm/kasan.h | 2 | ||||
-rw-r--r-- | arch/riscv/include/asm/pgtable-64.h | 7 | ||||
-rw-r--r-- | arch/riscv/include/asm/pgtable.h | 22 | ||||
-rw-r--r-- | arch/riscv/kernel/module.c | 2 | ||||
-rw-r--r-- | arch/riscv/kernel/setup.c | 1 | ||||
-rw-r--r-- | arch/riscv/kernel/soc.c | 2 | ||||
-rw-r--r-- | arch/riscv/kernel/stacktrace.c | 9 | ||||
-rw-r--r-- | arch/riscv/kernel/vdso.c | 4 | ||||
-rw-r--r-- | arch/riscv/mm/cacheflush.c | 1 | ||||
-rw-r--r-- | arch/riscv/mm/fault.c | 14 | ||||
-rw-r--r-- | arch/riscv/mm/init.c | 31 | ||||
-rw-r--r-- | arch/riscv/mm/kasan_init.c | 2 | ||||
-rw-r--r-- | arch/riscv/mm/pageattr.c | 6 | ||||
-rw-r--r-- | arch/riscv/mm/ptdump.c | 2 |
16 files changed, 38 insertions, 71 deletions
diff --git a/arch/riscv/include/asm/fixmap.h b/arch/riscv/include/asm/fixmap.h index 2368d49eb4ef..1ff075a8dfc7 100644 --- a/arch/riscv/include/asm/fixmap.h +++ b/arch/riscv/include/asm/fixmap.h @@ -8,8 +8,8 @@ #include <linux/kernel.h> #include <linux/sizes.h> +#include <linux/pgtable.h> #include <asm/page.h> -#include <asm/pgtable.h> #ifdef CONFIG_MMU /* diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h index 0f477206a4ed..3835c3295dc5 100644 --- a/arch/riscv/include/asm/io.h +++ b/arch/riscv/include/asm/io.h @@ -12,8 +12,8 @@ #define _ASM_RISCV_IO_H #include <linux/types.h> +#include <linux/pgtable.h> #include <asm/mmiowb.h> -#include <asm/pgtable.h> /* * MMIO access functions are separated out to break dependency cycles diff --git a/arch/riscv/include/asm/kasan.h b/arch/riscv/include/asm/kasan.h index b47045cb85ce..b04028c6218c 100644 --- a/arch/riscv/include/asm/kasan.h +++ b/arch/riscv/include/asm/kasan.h @@ -8,8 +8,6 @@ #ifdef CONFIG_KASAN -#include <asm/pgtable.h> - #define KASAN_SHADOW_SCALE_SHIFT 3 #define KASAN_SHADOW_SIZE (UL(1) << (38 - KASAN_SHADOW_SCALE_SHIFT)) diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h index b15f70a1fdfa..f3b0da64c6c8 100644 --- a/arch/riscv/include/asm/pgtable-64.h +++ b/arch/riscv/include/asm/pgtable-64.h @@ -70,13 +70,6 @@ static inline struct page *pud_page(pud_t pud) return pfn_to_page(pud_val(pud) >> _PAGE_PFN_SHIFT); } -#define pmd_index(addr) (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)) - -static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr) -{ - return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(addr); -} - static inline pmd_t pfn_pmd(unsigned long pfn, pgprot_t prot) { return __pmd((pfn << _PAGE_PFN_SHIFT) | pgprot_val(prot)); diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index d50706ea1c94..eaea1f717010 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -173,16 +173,6 @@ static inline unsigned long _pgd_pfn(pgd_t pgd) return pgd_val(pgd) >> _PAGE_PFN_SHIFT; } -#define pgd_index(addr) (((addr) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) - -/* Locate an entry in the page global directory */ -static inline pgd_t *pgd_offset(const struct mm_struct *mm, unsigned long addr) -{ - return mm->pgd + pgd_index(addr); -} -/* Locate an entry in the kernel page global directory */ -#define pgd_offset_k(addr) pgd_offset(&init_mm, (addr)) - static inline struct page *pmd_page(pmd_t pmd) { return pfn_to_page(pmd_val(pmd) >> _PAGE_PFN_SHIFT); @@ -209,16 +199,6 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) #define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) -#define pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) - -static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long addr) -{ - return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(addr); -} - -#define pte_offset_map(dir, addr) pte_offset_kernel((dir), (addr)) -#define pte_unmap(pte) ((void)(pte)) - static inline int pte_present(pte_t pte) { return (pte_val(pte) & (_PAGE_PRESENT | _PAGE_PROT_NONE)); @@ -496,8 +476,6 @@ void paging_init(void); extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) -#include <asm-generic/pgtable.h> - #endif /* !__ASSEMBLY__ */ #endif /* _ASM_RISCV_PGTABLE_H */ diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 8bbe5dbe1341..7191342c54da 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -10,7 +10,7 @@ #include <linux/moduleloader.h> #include <linux/vmalloc.h> #include <linux/sizes.h> -#include <asm/pgtable.h> +#include <linux/pgtable.h> #include <asm/sections.h> static int apply_r_riscv_32_rela(struct module *me, u32 *location, Elf_Addr v) diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 3e528312f615..f04373be54a6 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -22,7 +22,6 @@ #include <asm/cpu_ops.h> #include <asm/setup.h> #include <asm/sections.h> -#include <asm/pgtable.h> #include <asm/sbi.h> #include <asm/tlbflush.h> #include <asm/thread_info.h> diff --git a/arch/riscv/kernel/soc.c b/arch/riscv/kernel/soc.c index 1fc87621c728..c7b0a73e382e 100644 --- a/arch/riscv/kernel/soc.c +++ b/arch/riscv/kernel/soc.c @@ -4,7 +4,7 @@ */ #include <linux/init.h> #include <linux/libfdt.h> -#include <asm/pgtable.h> +#include <linux/pgtable.h> #include <asm/soc.h> /* diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index 837b9b38f825..595342910c3f 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -99,17 +99,18 @@ void notrace walk_stackframe(struct task_struct *task, static bool print_trace_address(unsigned long pc, void *arg) { - print_ip_sym(pc); + const char *loglvl = arg; + + print_ip_sym(loglvl, pc); return false; } -void show_stack(struct task_struct *task, unsigned long *sp) +void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl) { pr_cont("Call Trace:\n"); - walk_stackframe(task, NULL, print_trace_address, NULL); + walk_stackframe(task, NULL, print_trace_address, (void *)loglvl); } - static bool save_wchan(unsigned long pc, void *arg) { if (!in_sched_functions(pc)) { diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index 484d95a70907..e827fae3bf90 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -61,7 +61,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, vdso_len = (vdso_pages + 1) << PAGE_SHIFT; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); vdso_base = get_unmapped_area(NULL, 0, vdso_len, 0, 0); if (IS_ERR_VALUE(vdso_base)) { ret = vdso_base; @@ -83,7 +83,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, mm->context.vdso = NULL; end: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return ret; } diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c index 8930ab7278e6..094118663285 100644 --- a/arch/riscv/mm/cacheflush.c +++ b/arch/riscv/mm/cacheflush.c @@ -3,7 +3,6 @@ * Copyright (C) 2017 SiFive */ -#include <asm/pgtable.h> #include <asm/cacheflush.h> #ifdef CONFIG_SMP diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index be84e32adc4c..ae7b7fe24658 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -69,7 +69,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs) perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, addr); retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); vma = find_vma(mm, addr); if (unlikely(!vma)) goto bad_area; @@ -114,7 +114,7 @@ good_area: /* * If we need to retry but a fatal signal is pending, handle the - * signal first. We do not need to release the mmap_sem because it + * signal first. We do not need to release the mmap_lock because it * would already be released in __lock_page_or_retry in mm/filemap.c. */ if (fault_signal_pending(fault, regs)) @@ -147,7 +147,7 @@ good_area: flags |= FAULT_FLAG_TRIED; /* - * No need to up_read(&mm->mmap_sem) as we would + * No need to mmap_read_unlock(mm) as we would * have already released it in __lock_page_or_retry * in mm/filemap.c. */ @@ -155,7 +155,7 @@ good_area: } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return; /* @@ -163,7 +163,7 @@ good_area: * Fix it, but check if it's kernel or user first. */ bad_area: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* User mode accesses just cause a SIGSEGV */ if (user_mode(regs)) { do_trap(regs, SIGSEGV, code, addr); @@ -191,14 +191,14 @@ no_context: * (which will retry the fault, or kill us if we got oom-killed). */ out_of_memory: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); if (!user_mode(regs)) goto no_context; pagefault_out_of_memory(); return; do_sigbus: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* Kernel mode? Handle exceptions or die */ if (!user_mode(regs)) goto no_context; diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 34327407b0c5..9996f49959bd 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -18,7 +18,6 @@ #include <asm/tlbflush.h> #include <asm/sections.h> #include <asm/soc.h> -#include <asm/pgtable.h> #include <asm/io.h> #include <asm/ptdump.h> @@ -236,12 +235,12 @@ static void __init create_pte_mapping(pte_t *ptep, uintptr_t va, phys_addr_t pa, phys_addr_t sz, pgprot_t prot) { - uintptr_t pte_index = pte_index(va); + uintptr_t pte_idx = pte_index(va); BUG_ON(sz != PAGE_SIZE); - if (pte_none(ptep[pte_index])) - ptep[pte_index] = pfn_pte(PFN_DOWN(pa), prot); + if (pte_none(ptep[pte_idx])) + ptep[pte_idx] = pfn_pte(PFN_DOWN(pa), prot); } #ifndef __PAGETABLE_PMD_FOLDED @@ -284,21 +283,21 @@ static void __init create_pmd_mapping(pmd_t *pmdp, { pte_t *ptep; phys_addr_t pte_phys; - uintptr_t pmd_index = pmd_index(va); + uintptr_t pmd_idx = pmd_index(va); if (sz == PMD_SIZE) { - if (pmd_none(pmdp[pmd_index])) - pmdp[pmd_index] = pfn_pmd(PFN_DOWN(pa), prot); + if (pmd_none(pmdp[pmd_idx])) + pmdp[pmd_idx] = pfn_pmd(PFN_DOWN(pa), prot); return; } - if (pmd_none(pmdp[pmd_index])) { + if (pmd_none(pmdp[pmd_idx])) { pte_phys = alloc_pte(va); - pmdp[pmd_index] = pfn_pmd(PFN_DOWN(pte_phys), PAGE_TABLE); + pmdp[pmd_idx] = pfn_pmd(PFN_DOWN(pte_phys), PAGE_TABLE); ptep = get_pte_virt(pte_phys); memset(ptep, 0, PAGE_SIZE); } else { - pte_phys = PFN_PHYS(_pmd_pfn(pmdp[pmd_index])); + pte_phys = PFN_PHYS(_pmd_pfn(pmdp[pmd_idx])); ptep = get_pte_virt(pte_phys); } @@ -326,21 +325,21 @@ static void __init create_pgd_mapping(pgd_t *pgdp, { pgd_next_t *nextp; phys_addr_t next_phys; - uintptr_t pgd_index = pgd_index(va); + uintptr_t pgd_idx = pgd_index(va); if (sz == PGDIR_SIZE) { - if (pgd_val(pgdp[pgd_index]) == 0) - pgdp[pgd_index] = pfn_pgd(PFN_DOWN(pa), prot); + if (pgd_val(pgdp[pgd_idx]) == 0) + pgdp[pgd_idx] = pfn_pgd(PFN_DOWN(pa), prot); return; } - if (pgd_val(pgdp[pgd_index]) == 0) { + if (pgd_val(pgdp[pgd_idx]) == 0) { next_phys = alloc_pgd_next(va); - pgdp[pgd_index] = pfn_pgd(PFN_DOWN(next_phys), PAGE_TABLE); + pgdp[pgd_idx] = pfn_pgd(PFN_DOWN(next_phys), PAGE_TABLE); nextp = get_pgd_next_virt(next_phys); memset(nextp, 0, PAGE_SIZE); } else { - next_phys = PFN_PHYS(_pgd_pfn(pgdp[pgd_index])); + next_phys = PFN_PHYS(_pgd_pfn(pgdp[pgd_idx])); nextp = get_pgd_next_virt(next_phys); } diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index ec0ca90dd900..4a8b61806633 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -6,8 +6,8 @@ #include <linux/kasan.h> #include <linux/kernel.h> #include <linux/memblock.h> +#include <linux/pgtable.h> #include <asm/tlbflush.h> -#include <asm/pgtable.h> #include <asm/fixmap.h> extern pgd_t early_pg_dir[PTRS_PER_PGD]; diff --git a/arch/riscv/mm/pageattr.c b/arch/riscv/mm/pageattr.c index 728759eb530a..ec2c70f84994 100644 --- a/arch/riscv/mm/pageattr.c +++ b/arch/riscv/mm/pageattr.c @@ -4,7 +4,7 @@ */ #include <linux/pagewalk.h> -#include <asm/pgtable.h> +#include <linux/pgtable.h> #include <asm/tlbflush.h> #include <asm/bitops.h> @@ -117,10 +117,10 @@ static int __set_memory(unsigned long addr, int numpages, pgprot_t set_mask, if (!numpages) return 0; - down_read(&init_mm.mmap_sem); + mmap_read_lock(&init_mm); ret = walk_page_range_novma(&init_mm, start, end, &pageattr_ops, NULL, &masks); - up_read(&init_mm.mmap_sem); + mmap_read_unlock(&init_mm); flush_tlb_kernel_range(start, end); diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index 070505d79b06..0831c2e61a8f 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -9,7 +9,7 @@ #include <linux/ptdump.h> #include <asm/ptdump.h> -#include <asm/pgtable.h> +#include <linux/pgtable.h> #include <asm/kasan.h> #define pt_dump_seq_printf(m, fmt, args...) \ |