diff options
Diffstat (limited to 'arch/xtensa')
31 files changed, 90 insertions, 152 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index f200a4ec044e..d3db28f2f811 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -14,6 +14,7 @@ config XTENSA select ARCH_HAS_DMA_SET_UNCACHED if MMU select ARCH_HAS_STRNCPY_FROM_USER if !KASAN select ARCH_HAS_STRNLEN_USER + select ARCH_NEED_CMPXCHG_1_EMU select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS diff --git a/arch/xtensa/boot/dts/Makefile b/arch/xtensa/boot/dts/Makefile index 720628c0d8b9..d6408c16d74e 100644 --- a/arch/xtensa/boot/dts/Makefile +++ b/arch/xtensa/boot/dts/Makefile @@ -10,5 +10,4 @@ obj-$(CONFIG_OF) += $(addsuffix .dtb.o, $(CONFIG_BUILTIN_DTB_SOURCE)) # for CONFIG_OF_ALL_DTBS test -dtstree := $(srctree)/$(src) -dtb- := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts)) +dtb- := $(patsubst $(src)/%.dts,%.dtb, $(wildcard $(src)/*.dts)) diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index fa07c686cbcc..cc5dba738389 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -8,3 +8,4 @@ generic-y += parport.h generic-y += qrwlock.h generic-y += qspinlock.h generic-y += user.h +generic-y += text-patching.h diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h index 38bcecb0e457..a2b6bb5429f5 100644 --- a/arch/xtensa/include/asm/cacheflush.h +++ b/arch/xtensa/include/asm/cacheflush.h @@ -100,6 +100,10 @@ void flush_cache_range(struct vm_area_struct*, ulong, ulong); void flush_icache_range(unsigned long start, unsigned long end); void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned long); +#define flush_cache_all flush_cache_all +#define flush_cache_range flush_cache_range +#define flush_icache_range flush_icache_range +#define flush_cache_page flush_cache_page #else #define flush_cache_all local_flush_cache_all #define flush_cache_range local_flush_cache_range @@ -136,20 +140,7 @@ void local_flush_cache_page(struct vm_area_struct *vma, #else -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) - -#define flush_cache_vmap(start,end) do { } while (0) -#define flush_cache_vmap_early(start,end) do { } while (0) -#define flush_cache_vunmap(start,end) do { } while (0) - -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -#define flush_dcache_page(page) do { } while (0) - #define flush_icache_range local_flush_icache_range -#define flush_cache_page(vma, addr, pfn) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) #endif @@ -162,15 +153,14 @@ void local_flush_cache_page(struct vm_area_struct *vma, __invalidate_icache_range(start,(end) - (start)); \ } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) - #if defined(CONFIG_MMU) && (DCACHE_WAY_SIZE > PAGE_SIZE) extern void copy_to_user_page(struct vm_area_struct*, struct page*, unsigned long, void*, const void*, unsigned long); extern void copy_from_user_page(struct vm_area_struct*, struct page*, unsigned long, void*, const void*, unsigned long); +#define copy_to_user_page copy_to_user_page +#define copy_from_user_page copy_from_user_page #else @@ -186,4 +176,6 @@ extern void copy_from_user_page(struct vm_area_struct*, struct page*, #endif +#include <asm-generic/cacheflush.h> + #endif /* _XTENSA_CACHEFLUSH_H */ diff --git a/arch/xtensa/include/asm/cmpxchg.h b/arch/xtensa/include/asm/cmpxchg.h index 675a11ea8de7..95e33a913962 100644 --- a/arch/xtensa/include/asm/cmpxchg.h +++ b/arch/xtensa/include/asm/cmpxchg.h @@ -15,6 +15,7 @@ #include <linux/bits.h> #include <linux/stringify.h> +#include <linux/cmpxchg-emu.h> /* * cmpxchg @@ -74,6 +75,7 @@ static __inline__ unsigned long __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) { switch (size) { + case 1: return cmpxchg_emu_u8(ptr, old, new); case 4: return __cmpxchg_u32(ptr, old, new); default: __cmpxchg_called_with_bad_pointer(); return old; diff --git a/arch/xtensa/include/asm/current.h b/arch/xtensa/include/asm/current.h index 08010dbf5e09..df275d554788 100644 --- a/arch/xtensa/include/asm/current.h +++ b/arch/xtensa/include/asm/current.h @@ -19,7 +19,7 @@ struct task_struct; -static inline struct task_struct *get_current(void) +static __always_inline struct task_struct *get_current(void) { return current_thread_info()->task; } diff --git a/arch/xtensa/include/asm/flat.h b/arch/xtensa/include/asm/flat.h index ed5870c779f9..4854419dcd86 100644 --- a/arch/xtensa/include/asm/flat.h +++ b/arch/xtensa/include/asm/flat.h @@ -2,7 +2,7 @@ #ifndef __ASM_XTENSA_FLAT_H #define __ASM_XTENSA_FLAT_H -#include <asm/unaligned.h> +#include <linux/unaligned.h> static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags, u32 *addr) diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h index 934e58399c8c..7cdcc2deab3e 100644 --- a/arch/xtensa/include/asm/io.h +++ b/arch/xtensa/include/asm/io.h @@ -29,7 +29,7 @@ * I/O memory mapping functions. */ void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size, - unsigned long prot); + pgprot_t prot); #define ioremap_prot ioremap_prot #define iounmap iounmap @@ -40,7 +40,7 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size) return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_BYPASS_VADDR); else return ioremap_prot(offset, size, - pgprot_val(pgprot_noncached(PAGE_KERNEL))); + pgprot_noncached(PAGE_KERNEL)); } #define ioremap ioremap @@ -51,7 +51,7 @@ static inline void __iomem *ioremap_cache(unsigned long offset, && offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE) return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR); else - return ioremap_prot(offset, size, pgprot_val(PAGE_KERNEL)); + return ioremap_prot(offset, size, PAGE_KERNEL); } #define ioremap_cache ioremap_cache diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 4db56ef052d2..644413792bf3 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -18,13 +18,7 @@ #include <asm/cache.h> #include <asm/kmem_layout.h> -/* - * PAGE_SHIFT determines the page size - */ - -#define PAGE_SHIFT CONFIG_PAGE_SHIFT -#define PAGE_SIZE (__XTENSA_UL_CONST(1) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <vdso/page.h> #ifdef CONFIG_MMU #define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR @@ -109,26 +103,8 @@ typedef struct page *pgtable_t; #define __pgd(x) ((pgd_t) { (x) } ) #define __pgprot(x) ((pgprot_t) { (x) } ) -/* - * Pure 2^n version of get_order - * Use 'nsau' instructions if supported by the processor or the generic version. - */ - -#if XCHAL_HAVE_NSA - -static inline __attribute_const__ int get_order(unsigned long size) -{ - int lz; - asm ("nsau %0, %1" : "=r" (lz) : "r" ((size - 1) >> PAGE_SHIFT)); - return 32 - lz; -} - -#else - # include <asm-generic/getorder.h> -#endif - struct page; struct vm_area_struct; extern void clear_page(void *page); @@ -195,7 +171,6 @@ static inline unsigned long ___pa(unsigned long va) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) -#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #endif /* __ASSEMBLY__ */ diff --git a/arch/xtensa/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h index 7fc0f9126dd3..1919ee9c3dd6 100644 --- a/arch/xtensa/include/asm/pgalloc.h +++ b/arch/xtensa/include/asm/pgalloc.h @@ -29,7 +29,7 @@ static inline pgd_t* pgd_alloc(struct mm_struct *mm) { - return (pgd_t*) __get_free_page(GFP_KERNEL | __GFP_ZERO); + return __pgd_alloc(mm, 0); } static inline void ptes_clear(pte_t *ptep) diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index 9a7e5e57ee9a..1647a7cc3fbf 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -410,9 +410,9 @@ void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma, typedef pte_t *pte_addr_t; -void update_mmu_tlb(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep); -#define __HAVE_ARCH_UPDATE_MMU_TLB +void update_mmu_tlb_range(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, unsigned int nr); +#define update_mmu_tlb_range update_mmu_tlb_range #endif /* !defined (__ASSEMBLY__) */ diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index d008a153a2b9..47b5df86ab5c 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -115,9 +115,9 @@ #define MAKE_RA_FOR_CALL(ra,ws) (((ra) & 0x3fffffff) | (ws) << 30) /* Convert return address to a valid pc - * Note: We assume that the stack pointer is in the same 1GB ranges as the ra + * Note: 'text' is the address within the same 1GB range as the ra */ -#define MAKE_PC_FROM_RA(ra,sp) (((ra) & 0x3fffffff) | ((sp) & 0xc0000000)) +#define MAKE_PC_FROM_RA(ra, text) (((ra) & 0x3fffffff) | ((unsigned long)(text) & 0xc0000000)) #elif defined(__XTENSA_CALL0_ABI__) @@ -127,9 +127,9 @@ #define MAKE_RA_FOR_CALL(ra, ws) (ra) /* Convert return address to a valid pc - * Note: We assume that the stack pointer is in the same 1GB ranges as the ra + * Note: 'text' is not used as 'ra' is always the full address */ -#define MAKE_PC_FROM_RA(ra, sp) (ra) +#define MAKE_PC_FROM_RA(ra, text) (ra) #else #error Unsupported Xtensa ABI @@ -160,9 +160,7 @@ struct thread_struct { struct perf_event *ptrace_bp[XCHAL_NUM_IBREAK]; struct perf_event *ptrace_wp[XCHAL_NUM_DBREAK]; #endif - /* Make structure 16 bytes aligned. */ - int align[0] __attribute__ ((aligned(16))); -}; +} __aligned(16); /* This decides where the kernel will search for a free chunk of vm * space during mmap's. diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h index a270467556dc..86c70117371b 100644 --- a/arch/xtensa/include/asm/ptrace.h +++ b/arch/xtensa/include/asm/ptrace.h @@ -87,7 +87,7 @@ struct pt_regs { # define user_mode(regs) (((regs)->ps & 0x00000020)!=0) # define instruction_pointer(regs) ((regs)->pc) # define return_pointer(regs) (MAKE_PC_FROM_RA((regs)->areg[0], \ - (regs)->areg[1])) + (regs)->pc)) # ifndef CONFIG_SMP # define profile_pc(regs) instruction_pointer(regs) diff --git a/arch/xtensa/include/asm/spinlock_types.h b/arch/xtensa/include/asm/spinlock_types.h index 797aed7df3dd..6baaeac6248b 100644 --- a/arch/xtensa/include/asm/spinlock_types.h +++ b/arch/xtensa/include/asm/spinlock_types.h @@ -3,7 +3,7 @@ #define __ASM_SPINLOCK_TYPES_H #if !defined(__LINUX_SPINLOCK_TYPES_RAW_H) && !defined(__ASM_SPINLOCK_H) -# error "please don't include this file directly" +# error "Please do not include this file directly." #endif #include <asm-generic/qspinlock_types.h> diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h index 326db1c1d5d8..e0dffcc43b9e 100644 --- a/arch/xtensa/include/asm/thread_info.h +++ b/arch/xtensa/include/asm/thread_info.h @@ -91,7 +91,7 @@ struct thread_info { } /* how to get the thread information struct from C */ -static inline struct thread_info *current_thread_info(void) +static __always_inline struct thread_info *current_thread_info(void) { struct thread_info *ti; __asm__("extui %0, a1, 0, "__stringify(CURRENT_SHIFT)"\n\t" diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h index b52236245e51..30af4dc3ce7b 100644 --- a/arch/xtensa/include/asm/unistd.h +++ b/arch/xtensa/include/asm/unistd.h @@ -3,7 +3,6 @@ #define _XTENSA_UNISTD_H #define __ARCH_WANT_SYS_CLONE -#define __ARCH_WANT_SYS_CLONE3 #include <uapi/asm/unistd.h> #define __ARCH_WANT_NEW_STAT diff --git a/arch/xtensa/include/uapi/asm/mman.h b/arch/xtensa/include/uapi/asm/mman.h index 1ff0c858544f..99d4ccee7f6e 100644 --- a/arch/xtensa/include/uapi/asm/mman.h +++ b/arch/xtensa/include/uapi/asm/mman.h @@ -113,6 +113,9 @@ #define MADV_COLLAPSE 25 /* Synchronous hugepage collapse */ +#define MADV_GUARD_INSTALL 102 /* fatal signal on access to range */ +#define MADV_GUARD_REMOVE 103 /* unguard range */ + /* compatibility flags */ #define MAP_FILE 0 diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index a815577d25fd..7bd66677f7b6 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -47,6 +47,7 @@ #include <asm/asm-offsets.h> #include <asm/regs.h> #include <asm/hw_breakpoint.h> +#include <asm/sections.h> #include <asm/traps.h> extern void ret_from_fork(void); @@ -380,7 +381,7 @@ unsigned long __get_wchan(struct task_struct *p) int count = 0; sp = p->thread.sp; - pc = MAKE_PC_FROM_RA(p->thread.ra, p->thread.sp); + pc = MAKE_PC_FROM_RA(p->thread.ra, _text); do { if (sp < stack_page + sizeof(struct task_struct) || @@ -392,7 +393,7 @@ unsigned long __get_wchan(struct task_struct *p) /* Stack layout: sp-4: ra, sp-3: sp' */ - pc = MAKE_PC_FROM_RA(SPILL_SLOT(sp, 0), sp); + pc = MAKE_PC_FROM_RA(SPILL_SLOT(sp, 0), _text); sp = SPILL_SLOT(sp, 1); } while (count++ < 16); return 0; diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index bdec4a773af0..f72e280363be 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -55,7 +55,7 @@ extern int initrd_below_start_ok; #endif #ifdef CONFIG_USE_OF -void *dtb_start = __dtb_start; +static void *dtb_start __initdata = __dtb_start; #endif extern unsigned long loops_per_jiffy; @@ -216,7 +216,7 @@ static int __init xtensa_dt_io_area(unsigned long node, const char *uname, void __init early_init_devtree(void *params) { - early_init_dt_scan(params); + early_init_dt_scan(params, __pa(params)); of_scan_flat_dt(xtensa_dt_io_area, NULL); if (!command_line[0]) diff --git a/arch/xtensa/kernel/stacktrace.c b/arch/xtensa/kernel/stacktrace.c index 831ffb648bda..ed324fdf2a2f 100644 --- a/arch/xtensa/kernel/stacktrace.c +++ b/arch/xtensa/kernel/stacktrace.c @@ -13,6 +13,7 @@ #include <linux/stacktrace.h> #include <asm/ftrace.h> +#include <asm/sections.h> #include <asm/stacktrace.h> #include <asm/traps.h> #include <linux/uaccess.h> @@ -189,7 +190,7 @@ void walk_stackframe(unsigned long *sp, if (a1 <= (unsigned long)sp) break; - frame.pc = MAKE_PC_FROM_RA(a0, a1); + frame.pc = MAKE_PC_FROM_RA(a0, _text); frame.sp = a1; if (fn(&frame, data)) diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index b3c2450d6f23..dc54f854c2f5 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -55,7 +55,8 @@ asmlinkage long xtensa_fadvise64_64(int fd, int advice, #ifdef CONFIG_MMU unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - unsigned long len, unsigned long pgoff, unsigned long flags) + unsigned long len, unsigned long pgoff, unsigned long flags, + vm_flags_t vm_flags) { struct vm_area_struct *vmm; struct vma_iterator vmi; diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl index dd116598fb25..f657a77314f8 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -432,3 +432,9 @@ 459 common lsm_get_self_attr sys_lsm_get_self_attr 460 common lsm_set_self_attr sys_lsm_set_self_attr 461 common lsm_list_modules sys_lsm_list_modules +462 common mseal sys_mseal +463 common setxattrat sys_setxattrat +464 common getxattrat sys_getxattrat +465 common listxattrat sys_listxattrat +466 common removexattrat sys_removexattrat +467 common open_tree_attr sys_open_tree_attr diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index 38092d21acf8..44c07c4e0833 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -629,15 +629,11 @@ DEFINE_SPINLOCK(die_lock); void __noreturn die(const char * str, struct pt_regs * regs, long err) { static int die_counter; - const char *pr = ""; - - if (IS_ENABLED(CONFIG_PREEMPTION)) - pr = IS_ENABLED(CONFIG_PREEMPT_RT) ? " PREEMPT_RT" : " PREEMPT"; console_verbose(); spin_lock_irq(&die_lock); - pr_info("%s: sig: %ld [#%d]%s\n", str, err, ++die_counter, pr); + pr_info("%s: sig: %ld [#%d]\n", str, err, ++die_counter); show_regs(regs); if (!user_mode(regs)) show_stack(NULL, (unsigned long *)regs->areg[1], KERN_INFO); diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c index 7ec66a79f472..23be0e7516ce 100644 --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -87,12 +87,13 @@ static inline void *coherent_kvaddr(struct page *page, unsigned long base, void clear_user_highpage(struct page *page, unsigned long vaddr) { + struct folio *folio = page_folio(page); unsigned long paddr; void *kvaddr = coherent_kvaddr(page, TLBTEMP_BASE_1, vaddr, &paddr); preempt_disable(); kmap_invalidate_coherent(page, vaddr); - set_bit(PG_arch_1, &page->flags); + set_bit(PG_arch_1, folio_flags(folio, 0)); clear_page_alias(kvaddr, paddr); preempt_enable(); } @@ -101,6 +102,7 @@ EXPORT_SYMBOL(clear_user_highpage); void copy_user_highpage(struct page *dst, struct page *src, unsigned long vaddr, struct vm_area_struct *vma) { + struct folio *folio = page_folio(dst); unsigned long dst_paddr, src_paddr; void *dst_vaddr = coherent_kvaddr(dst, TLBTEMP_BASE_1, vaddr, &dst_paddr); @@ -109,7 +111,7 @@ void copy_user_highpage(struct page *dst, struct page *src, preempt_disable(); kmap_invalidate_coherent(dst, vaddr); - set_bit(PG_arch_1, &dst->flags); + set_bit(PG_arch_1, folio_flags(folio, 0)); copy_page_alias(dst_vaddr, src_vaddr, dst_paddr, src_paddr); preempt_enable(); } diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index b2587a1a7c46..cc52733a0649 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -66,59 +66,8 @@ void __init bootmem_init(void) memblock_dump_all(); } - -void __init zones_init(void) +static void __init print_vm_layout(void) { - /* All pages are DMA-able, so we put them all in the DMA zone. */ - unsigned long max_zone_pfn[MAX_NR_ZONES] = { - [ZONE_NORMAL] = max_low_pfn, -#ifdef CONFIG_HIGHMEM - [ZONE_HIGHMEM] = max_pfn, -#endif - }; - free_area_init(max_zone_pfn); -} - -static void __init free_highpages(void) -{ -#ifdef CONFIG_HIGHMEM - unsigned long max_low = max_low_pfn; - phys_addr_t range_start, range_end; - u64 i; - - /* set highmem page free */ - for_each_free_mem_range(i, NUMA_NO_NODE, MEMBLOCK_NONE, - &range_start, &range_end, NULL) { - unsigned long start = PFN_UP(range_start); - unsigned long end = PFN_DOWN(range_end); - - /* Ignore complete lowmem entries */ - if (end <= max_low) - continue; - - /* Truncate partial highmem entries */ - if (start < max_low) - start = max_low; - - for (; start < end; start++) - free_highmem_page(pfn_to_page(start)); - } -#endif -} - -/* - * Initialize memory pages. - */ - -void __init mem_init(void) -{ - free_highpages(); - - max_mapnr = max_pfn - ARCH_PFN_OFFSET; - high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT); - - memblock_free_all(); - pr_info("virtual kernel memory layout:\n" #ifdef CONFIG_KASAN " kasan : 0x%08lx - 0x%08lx (%5lu MB)\n" @@ -167,6 +116,19 @@ void __init mem_init(void) (unsigned long)(__bss_stop - __bss_start) >> 10); } +void __init zones_init(void) +{ + /* All pages are DMA-able, so we put them all in the DMA zone. */ + unsigned long max_zone_pfn[MAX_NR_ZONES] = { + [ZONE_NORMAL] = max_low_pfn, +#ifdef CONFIG_HIGHMEM + [ZONE_HIGHMEM] = max_pfn, +#endif + }; + free_area_init(max_zone_pfn); + print_vm_layout(); +} + static void __init parse_memmap_one(char *p) { char *oldp; diff --git a/arch/xtensa/mm/ioremap.c b/arch/xtensa/mm/ioremap.c index 8ca660b7ab49..26f238fa9d0d 100644 --- a/arch/xtensa/mm/ioremap.c +++ b/arch/xtensa/mm/ioremap.c @@ -11,12 +11,12 @@ #include <asm/io.h> void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size, - unsigned long prot) + pgprot_t prot) { unsigned long pfn = __phys_to_pfn((phys_addr)); WARN_ON(pfn_valid(pfn)); - return generic_ioremap_prot(phys_addr, size, __pgprot(prot)); + return generic_ioremap_prot(phys_addr, size, prot); } EXPORT_SYMBOL(ioremap_prot); diff --git a/arch/xtensa/mm/kasan_init.c b/arch/xtensa/mm/kasan_init.c index f00d122aa806..f39c4d83173a 100644 --- a/arch/xtensa/mm/kasan_init.c +++ b/arch/xtensa/mm/kasan_init.c @@ -39,11 +39,7 @@ static void __init populate(void *start, void *end) unsigned long i, j; unsigned long vaddr = (unsigned long)start; pmd_t *pmd = pmd_off_k(vaddr); - pte_t *pte = memblock_alloc(n_pages * sizeof(pte_t), PAGE_SIZE); - - if (!pte) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, n_pages * sizeof(pte_t), PAGE_SIZE); + pte_t *pte = memblock_alloc_or_panic(n_pages * sizeof(pte_t), PAGE_SIZE); pr_debug("%s: %p - %p\n", __func__, start, end); diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c index 4f974b74883c..0a1a815dc796 100644 --- a/arch/xtensa/mm/tlb.c +++ b/arch/xtensa/mm/tlb.c @@ -163,10 +163,10 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) } } -void update_mmu_tlb(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) +void update_mmu_tlb_range(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, unsigned int nr) { - local_flush_tlb_page(vma, address); + local_flush_tlb_range(vma, address, address + PAGE_SIZE * nr); } #ifdef CONFIG_DEBUG_TLB_SANITY @@ -256,12 +256,13 @@ static int check_tlb_entry(unsigned w, unsigned e, bool dtlb) dtlb ? 'D' : 'I', w, e, r0, r1, pte); if (pte == 0 || !pte_present(__pte(pte))) { struct page *p = pfn_to_page(r1 >> PAGE_SHIFT); - pr_err("page refcount: %d, mapcount: %d\n", - page_count(p), - page_mapcount(p)); - if (!page_count(p)) + struct folio *f = page_folio(p); + + pr_err("folio refcount: %d, mapcount: %d\n", + folio_ref_count(f), folio_mapcount(f)); + if (!folio_ref_count(f)) rc |= TLB_INSANE; - else if (page_mapcount(p)) + else if (folio_mapped(f)) rc |= TLB_SUSPICIOUS; } else { rc |= TLB_INSANE; diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c index 8896e691c051..8b95221375a8 100644 --- a/arch/xtensa/platforms/iss/console.c +++ b/arch/xtensa/platforms/iss/console.c @@ -48,7 +48,7 @@ static int rs_open(struct tty_struct *tty, struct file * filp) static void rs_close(struct tty_struct *tty, struct file * filp) { if (tty->count == 1) - del_timer_sync(&serial_timer); + timer_delete_sync(&serial_timer); } @@ -166,10 +166,8 @@ late_initcall(rs_init); static void iss_console_write(struct console *co, const char *s, unsigned count) { - if (s && *s != 0) { - int len = strlen(s); - simc_write(1, s, count < len ? count : len); - } + if (s && *s != 0) + simc_write(1, s, min(count, strlen(s))); } static struct tty_driver* iss_console_device(struct console *c, int *index) diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c index e89f27f2bb18..c6d8c62695e1 100644 --- a/arch/xtensa/platforms/iss/network.c +++ b/arch/xtensa/platforms/iss/network.c @@ -375,7 +375,7 @@ static int iss_net_close(struct net_device *dev) struct iss_net_private *lp = netdev_priv(dev); netif_stop_queue(dev); - del_timer_sync(&lp->timer); + timer_delete_sync(&lp->timer); lp->tp.net_ops->close(lp); return 0; diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index defc67909a9c..6ed009318d24 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/string.h> +#include <linux/string_choices.h> #include <linux/blkdev.h> #include <linux/bio.h> #include <linux/proc_fs.h> @@ -75,7 +76,7 @@ static void simdisk_transfer(struct simdisk *dev, unsigned long sector, if (offset > dev->size || dev->size - offset < nbytes) { pr_notice("Beyond-end %s (%ld %ld)\n", - write ? "write" : "read", offset, nbytes); + str_write_read(write), offset, nbytes); return; } @@ -263,6 +264,9 @@ static const struct proc_ops simdisk_proc_ops = { static int __init simdisk_setup(struct simdisk *dev, int which, struct proc_dir_entry *procdir) { + struct queue_limits lim = { + .features = BLK_FEAT_ROTATIONAL, + }; char tmp[2] = { '0' + which, 0 }; int err; @@ -271,7 +275,7 @@ static int __init simdisk_setup(struct simdisk *dev, int which, spin_lock_init(&dev->lock); dev->users = 0; - dev->gd = blk_alloc_disk(NULL, NUMA_NO_NODE); + dev->gd = blk_alloc_disk(&lim, NUMA_NO_NODE); if (IS_ERR(dev->gd)) { err = PTR_ERR(dev->gd); goto out; |