diff options
Diffstat (limited to 'arch/sparc')
26 files changed, 153 insertions, 133 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index eb24cb1afc11..c1dd6dd642f4 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -64,8 +64,7 @@ config SPARC64 select HAVE_FUNCTION_GRAPH_TRACER select HAVE_KRETPROBES select HAVE_KPROBES - select HAVE_RCU_TABLE_FREE if SMP - select HAVE_RCU_TABLE_NO_INVALIDATE if HAVE_RCU_TABLE_FREE + select MMU_GATHER_RCU_TABLE_FREE if SMP select HAVE_MEMBLOCK_NODE_MAP select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_DYNAMIC_FTRACE @@ -277,7 +276,7 @@ config US3_MC config GENERIC_LOCKBREAK bool default y - depends on SPARC64 && SMP && PREEMPT + depends on SPARC64 && SMP && PREEMPTION config NUMA bool "NUMA support" diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index 0f5a501c95a9..e3d2138ff9e2 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -169,7 +169,6 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; switch (key_len) { case AES_KEYSIZE_128: @@ -188,7 +187,6 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, break; default: - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } diff --git a/arch/sparc/crypto/camellia_glue.c b/arch/sparc/crypto/camellia_glue.c index 1700f863748c..aaa9714378e6 100644 --- a/arch/sparc/crypto/camellia_glue.c +++ b/arch/sparc/crypto/camellia_glue.c @@ -39,12 +39,9 @@ static int camellia_set_key(struct crypto_tfm *tfm, const u8 *_in_key, { struct camellia_sparc64_ctx *ctx = crypto_tfm_ctx(tfm); const u32 *in_key = (const u32 *) _in_key; - u32 *flags = &tfm->crt_flags; - if (key_len != 16 && key_len != 24 && key_len != 32) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + if (key_len != 16 && key_len != 24 && key_len != 32) return -EINVAL; - } ctx->key_len = key_len; diff --git a/arch/sparc/crypto/crc32c_glue.c b/arch/sparc/crypto/crc32c_glue.c index 1299073285a3..4e9323229e71 100644 --- a/arch/sparc/crypto/crc32c_glue.c +++ b/arch/sparc/crypto/crc32c_glue.c @@ -33,10 +33,8 @@ static int crc32c_sparc64_setkey(struct crypto_shash *hash, const u8 *key, { u32 *mctx = crypto_shash_ctx(hash); - if (keylen != sizeof(u32)) { - crypto_shash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN); + if (keylen != sizeof(u32)) return -EINVAL; - } *(__le32 *)mctx = le32_to_cpup((__le32 *)key); return 0; } diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index 30b1763580b1..40a267b3bd52 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -125,23 +125,6 @@ typedef u32 compat_sigset_word; #define COMPAT_OFF_T_MAX 0x7fffffff -/* - * A pointer passed in from user mode. This should not - * be used for syscall parameters, just declare them - * as pointers because the syscall entry code will have - * appropriately converted them already. - */ - -static inline void __user *compat_ptr(compat_uptr_t uptr) -{ - return (void __user *)(unsigned long)uptr; -} - -static inline compat_uptr_t ptr_to_compat(void __user *uptr) -{ - return (u32)(unsigned long)uptr; -} - #ifdef CONFIG_COMPAT static inline void __user *arch_compat_alloc_user_space(long len) { diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h index f4afa301954a..9bb27e5c22f1 100644 --- a/arch/sparc/include/asm/io_64.h +++ b/arch/sparc/include/asm/io_64.h @@ -406,7 +406,6 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size) return (void __iomem *)offset; } -#define ioremap_nocache(X,Y) ioremap((X),(Y)) #define ioremap_uc(X,Y) ioremap((X),(Y)) #define ioremap_wc(X,Y) ioremap((X),(Y)) #define ioremap_wt(X,Y) ioremap((X),(Y)) diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h index 9d3e5cc95bbb..264e76ceccf6 100644 --- a/arch/sparc/include/asm/pgalloc_64.h +++ b/arch/sparc/include/asm/pgalloc_64.h @@ -16,12 +16,12 @@ extern struct kmem_cache *pgtable_cache; -static inline void __pgd_populate(pgd_t *pgd, pud_t *pud) +static inline void __p4d_populate(p4d_t *p4d, pud_t *pud) { - pgd_set(pgd, pud); + p4d_set(p4d, pud); } -#define pgd_populate(MM, PGD, PUD) __pgd_populate(PGD, PUD) +#define p4d_populate(MM, P4D, PUD) __p4d_populate(P4D, PUD) static inline pgd_t *pgd_alloc(struct mm_struct *mm) { diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 6ae8016ef4ec..65494c3a420e 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -13,7 +13,7 @@ * the SpitFire page tables. */ -#include <asm-generic/5level-fixup.h> +#include <asm-generic/pgtable-nop4d.h> #include <linux/compiler.h> #include <linux/const.h> #include <asm/types.h> @@ -683,6 +683,7 @@ static inline unsigned long pte_special(pte_t pte) return pte_val(pte) & _PAGE_SPECIAL; } +#define pmd_leaf pmd_large static inline unsigned long pmd_large(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); @@ -810,9 +811,9 @@ static inline int pmd_present(pmd_t pmd) #define pud_bad(pud) (pud_val(pud) & ~PAGE_MASK) -#define pgd_none(pgd) (!pgd_val(pgd)) +#define p4d_none(p4d) (!p4d_val(p4d)) -#define pgd_bad(pgd) (pgd_val(pgd) & ~PAGE_MASK) +#define p4d_bad(p4d) (p4d_val(p4d) & ~PAGE_MASK) #ifdef CONFIG_TRANSPARENT_HUGEPAGE void set_pmd_at(struct mm_struct *mm, unsigned long addr, @@ -859,14 +860,15 @@ static inline unsigned long pud_page_vaddr(pud_t pud) #define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL) #define pud_present(pud) (pud_val(pud) != 0U) #define pud_clear(pudp) (pud_val(*(pudp)) = 0UL) -#define pgd_page_vaddr(pgd) \ - ((unsigned long) __va(pgd_val(pgd))) -#define pgd_present(pgd) (pgd_val(pgd) != 0U) -#define pgd_clear(pgdp) (pgd_val(*(pgdp)) = 0UL) +#define p4d_page_vaddr(p4d) \ + ((unsigned long) __va(p4d_val(p4d))) +#define p4d_present(p4d) (p4d_val(p4d) != 0U) +#define p4d_clear(p4dp) (p4d_val(*(p4dp)) = 0UL) /* only used by the stubbed out hugetlb gup code, should never be called */ -#define pgd_page(pgd) NULL +#define p4d_page(p4d) NULL +#define pud_leaf pud_large static inline unsigned long pud_large(pud_t pud) { pte_t pte = __pte(pud_val(pud)); @@ -884,8 +886,8 @@ static inline unsigned long pud_pfn(pud_t pud) /* Same in both SUN4V and SUN4U. */ #define pte_none(pte) (!pte_val(pte)) -#define pgd_set(pgdp, pudp) \ - (pgd_val(*(pgdp)) = (__pa((unsigned long) (pudp)))) +#define p4d_set(p4dp, pudp) \ + (p4d_val(*(p4dp)) = (__pa((unsigned long) (pudp)))) /* to find an entry in a page-table-directory. */ #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) @@ -896,8 +898,8 @@ static inline unsigned long pud_pfn(pud_t pud) /* Find an entry in the third-level page table.. */ #define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1)) -#define pud_offset(pgdp, address) \ - ((pud_t *) pgd_page_vaddr(*(pgdp)) + pud_index(address)) +#define pud_offset(p4dp, address) \ + ((pud_t *) p4d_page_vaddr(*(p4dp)) + pud_index(address)) /* Find an entry in the second-level page table.. */ #define pmd_offset(pudp, address) \ diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h index a2f3fa61ee36..6820d357581c 100644 --- a/arch/sparc/include/asm/tlb_64.h +++ b/arch/sparc/include/asm/tlb_64.h @@ -28,6 +28,15 @@ void flush_tlb_pending(void); #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) #define tlb_flush(tlb) flush_tlb_pending() +/* + * SPARC64's hardware TLB fill does not use the Linux page-tables + * and therefore we don't need a TLBI when freeing page-table pages. + */ + +#ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE +#define tlb_needs_table_invalidate() (false) +#endif + #include <asm-generic/tlb.h> #endif /* _SPARC64_TLB_H */ diff --git a/arch/sparc/include/asm/vmalloc.h b/arch/sparc/include/asm/vmalloc.h new file mode 100644 index 000000000000..04b8ab9518b8 --- /dev/null +++ b/arch/sparc/include/asm/vmalloc.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SPARC_VMALLOC_H +#define _ASM_SPARC_VMALLOC_H + +#endif /* _ASM_SPARC_VMALLOC_H */ diff --git a/arch/sparc/include/uapi/asm/ipcbuf.h b/arch/sparc/include/uapi/asm/ipcbuf.h index 5b933a598a33..0ea1240d2ea1 100644 --- a/arch/sparc/include/uapi/asm/ipcbuf.h +++ b/arch/sparc/include/uapi/asm/ipcbuf.h @@ -17,19 +17,19 @@ struct ipc64_perm { - __kernel_key_t key; - __kernel_uid_t uid; - __kernel_gid_t gid; - __kernel_uid_t cuid; - __kernel_gid_t cgid; + __kernel_key_t key; + __kernel_uid32_t uid; + __kernel_gid32_t gid; + __kernel_uid32_t cuid; + __kernel_gid32_t cgid; #ifndef __arch64__ - unsigned short __pad0; + unsigned short __pad0; #endif - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned long long __unused1; - unsigned long long __unused2; + __kernel_mode_t mode; + unsigned short __pad1; + unsigned short seq; + unsigned long long __unused1; + unsigned long long __unused2; }; #endif /* __SPARC_IPCBUF_H */ diff --git a/arch/sparc/include/uapi/asm/statfs.h b/arch/sparc/include/uapi/asm/statfs.h deleted file mode 100644 index 20c8f5bd340e..000000000000 --- a/arch/sparc/include/uapi/asm/statfs.h +++ /dev/null @@ -1,7 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef ___ASM_SPARC_STATFS_H -#define ___ASM_SPARC_STATFS_H - -#include <asm-generic/statfs.h> - -#endif diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index a6292f8ed180..bd48575172c3 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -104,13 +104,12 @@ static ssize_t led_proc_write(struct file *file, const char __user *buffer, return count; } -static const struct file_operations led_proc_fops = { - .owner = THIS_MODULE, - .open = led_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = led_proc_write, +static const struct proc_ops led_proc_ops = { + .proc_open = led_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = led_proc_write, }; static struct proc_dir_entry *led; @@ -121,7 +120,7 @@ static int __init led_init(void) { timer_setup(&led_blink_timer, led_blink, 0); - led = proc_create("led", 0, NULL, &led_proc_fops); + led = proc_create("led", 0, NULL, &led_proc_ops); if (!led) return -ENOMEM; diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index ec244d1022ce..da8902295c8c 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -132,12 +132,13 @@ static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) regs->which_io, regs->phys_addr); } -/* "name:vendor:device@irq,addrlo" */ +/* "name@irq,addrlo" */ static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf) { const char *name = of_get_property(dp, "name", NULL); struct amba_prom_registers *regs; - unsigned int *intr, *device, *vendor, reg0; + unsigned int *intr; + unsigned int reg0; struct property *prop; int interrupt = 0; @@ -159,18 +160,7 @@ static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf) else intr = prop->value; - prop = of_find_property(dp, "vendor", NULL); - if (!prop) - return; - vendor = prop->value; - prop = of_find_property(dp, "device", NULL); - if (!prop) - return; - device = prop->value; - - sprintf(tmp_buf, "%s:%d:%d@%x,%x", - name, *vendor, *device, - *intr, reg0); + sprintf(tmp_buf, "%s@%x,%x", name, *intr, reg0); } static void __init __build_path_component(struct device_node *dp, char *tmp_buf) diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index 29aa34f11720..c5fd4b450d9b 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -310,7 +310,7 @@ kern_rtt_restore: retry to_kernel: -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPTION ldsw [%g6 + TI_PRE_COUNT], %l5 brnz %l5, kern_fpucheck ldx [%g6 + TI_FLAGS], %l5 diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index afe1592a6d08..5d1bcfce05d8 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -332,10 +332,6 @@ void __init setup_arch(char **cmdline_p) break; } -#ifdef CONFIG_DUMMY_CONSOLE - conswitchp = &dummy_con; -#endif - idprom_init(); load_mmu(); diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index fd2182a5c32d..75e3992203b6 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -653,10 +653,6 @@ void __init setup_arch(char **cmdline_p) else pr_info("ARCH: SUN4U\n"); -#ifdef CONFIG_DUMMY_CONSOLE - conswitchp = &dummy_con; -#endif - idprom_init(); if (!root_flags) diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index a237810aa9f4..2a734ecd0a40 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -299,6 +299,7 @@ static void flush_signal_insns(unsigned long address) unsigned long pstate, paddr; pte_t *ptep, pte; pgd_t *pgdp; + p4d_t *p4dp; pud_t *pudp; pmd_t *pmdp; @@ -318,7 +319,10 @@ static void flush_signal_insns(unsigned long address) pgdp = pgd_offset(current->mm, address); if (pgd_none(*pgdp)) goto out_irqs_on; - pudp = pud_offset(pgdp, address); + p4dp = p4d_offset(pgdp, address); + if (p4d_none(*p4dp)) + goto out_irqs_on; + pudp = pud_offset(p4dp, address); if (pud_none(*pudp)) goto out_irqs_on; pmdp = pmd_offset(pudp, address); diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 9b4506373353..80f20b3808ee 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1621,6 +1621,7 @@ static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) static void __init pcpu_populate_pte(unsigned long addr) { pgd_t *pgd = pgd_offset_k(addr); + p4d_t *p4d; pud_t *pud; pmd_t *pmd; @@ -1633,7 +1634,17 @@ static void __init pcpu_populate_pte(unsigned long addr) pgd_populate(&init_mm, pgd, new); } - pud = pud_offset(pgd, addr); + p4d = p4d_offset(pgd, addr); + if (p4d_none(*p4d)) { + pud_t *new; + + new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + if (!new) + goto err_alloc; + p4d_populate(&init_mm, p4d, new); + } + + pud = pud_offset(p4d, addr); if (pud_none(*pud)) { pmd_t *new; diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 9f41a6f5a032..6b92fadb6ec7 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -548,34 +548,35 @@ out_unlock: return err; } -SYSCALL_DEFINE1(sparc_adjtimex, struct timex __user *, txc_p) +SYSCALL_DEFINE1(sparc_adjtimex, struct __kernel_timex __user *, txc_p) { - struct timex txc; /* Local copy of parameter */ - struct __kernel_timex *kt = (void *)&txc; + struct __kernel_timex txc; + struct __kernel_old_timeval *tv = (void *)&txc.time; int ret; /* Copy the user data space into the kernel copy * structure. But bear in mind that the structures * may change */ - if (copy_from_user(&txc, txc_p, sizeof(struct timex))) + if (copy_from_user(&txc, txc_p, sizeof(txc))) return -EFAULT; /* * override for sparc64 specific timeval type: tv_usec * is 32 bit wide instead of 64-bit in __kernel_timex */ - kt->time.tv_usec = txc.time.tv_usec; - ret = do_adjtimex(kt); - txc.time.tv_usec = kt->time.tv_usec; + txc.time.tv_usec = tv->tv_usec; + ret = do_adjtimex(&txc); + tv->tv_usec = txc.time.tv_usec; - return copy_to_user(txc_p, &txc, sizeof(struct timex)) ? -EFAULT : ret; + return copy_to_user(txc_p, &txc, sizeof(txc)) ? -EFAULT : ret; } -SYSCALL_DEFINE2(sparc_clock_adjtime, const clockid_t, which_clock,struct timex __user *, txc_p) +SYSCALL_DEFINE2(sparc_clock_adjtime, const clockid_t, which_clock, + struct __kernel_timex __user *, txc_p) { - struct timex txc; /* Local copy of parameter */ - struct __kernel_timex *kt = (void *)&txc; + struct __kernel_timex txc; + struct __kernel_old_timeval *tv = (void *)&txc.time; int ret; if (!IS_ENABLED(CONFIG_POSIX_TIMERS)) { @@ -590,18 +591,18 @@ SYSCALL_DEFINE2(sparc_clock_adjtime, const clockid_t, which_clock,struct timex _ * structure. But bear in mind that the structures * may change */ - if (copy_from_user(&txc, txc_p, sizeof(struct timex))) + if (copy_from_user(&txc, txc_p, sizeof(txc))) return -EFAULT; /* * override for sparc64 specific timeval type: tv_usec * is 32 bit wide instead of 64-bit in __kernel_timex */ - kt->time.tv_usec = txc.time.tv_usec; - ret = do_clock_adjtime(which_clock, kt); - txc.time.tv_usec = kt->time.tv_usec; + txc.time.tv_usec = tv->tv_usec; + ret = do_clock_adjtime(which_clock, &txc); + tv->tv_usec = txc.time.tv_usec; - return copy_to_user(txc_p, &txc, sizeof(struct timex)) ? -EFAULT : ret; + return copy_to_user(txc_p, &txc, sizeof(txc)) ? -EFAULT : ret; } SYSCALL_DEFINE5(utrap_install, utrap_entry_t, type, diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index 8c8cc7537fb2..f13615ecdecc 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -481,3 +481,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open # 435 reserved for clone3 +437 common openat2 sys_openat2 +438 common pidfd_getfd sys_pidfd_getfd diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 7ec79918b566..f99e99e58075 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -171,12 +171,14 @@ SECTIONS } PERCPU_SECTION(SMP_CACHE_BYTES) -#ifdef CONFIG_JUMP_LABEL . = ALIGN(PAGE_SIZE); .exit.text : { EXIT_TEXT } -#endif + + .exit.data : { + EXIT_DATA + } . = ALIGN(PAGE_SIZE); __init_end = .; diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index 2371fb6b97e4..8b7ddbd14b65 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -80,6 +80,7 @@ static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr) static unsigned int get_user_insn(unsigned long tpc) { pgd_t *pgdp = pgd_offset(current->mm, tpc); + p4d_t *p4dp; pud_t *pudp; pmd_t *pmdp; pte_t *ptep, pte; @@ -88,7 +89,10 @@ static unsigned int get_user_insn(unsigned long tpc) if (pgd_none(*pgdp) || unlikely(pgd_bad(*pgdp))) goto out; - pudp = pud_offset(pgdp, tpc); + p4dp = p4d_offset(pgdp, tpc); + if (p4d_none(*p4dp) || unlikely(p4d_bad(*p4dp))) + goto out; + pudp = pud_offset(p4dp, tpc); if (pud_none(*pudp) || unlikely(pud_bad(*pudp))) goto out; diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index f78793a06bbd..7b9fa861b67c 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -277,11 +277,13 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz) { pgd_t *pgd; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pgd = pgd_offset(mm, addr); - pud = pud_alloc(mm, pgd, addr); + p4d = p4d_offset(pgd, addr); + pud = pud_alloc(mm, p4d, addr); if (!pud) return NULL; if (sz >= PUD_SIZE) @@ -298,13 +300,17 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz) { pgd_t *pgd; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pgd = pgd_offset(mm, addr); if (pgd_none(*pgd)) return NULL; - pud = pud_offset(pgd, addr); + p4d = p4d_offset(pgd, addr); + if (p4d_none(*p4d)) + return NULL; + pud = pud_offset(p4d, addr); if (pud_none(*pud)) return NULL; if (is_hugetlb_pud(*pud)) @@ -449,7 +455,7 @@ static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, mm_dec_nr_pmds(tlb->mm); } -static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, +static void hugetlb_free_pud_range(struct mmu_gather *tlb, p4d_t *p4d, unsigned long addr, unsigned long end, unsigned long floor, unsigned long ceiling) { @@ -458,7 +464,7 @@ static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, unsigned long start; start = addr; - pud = pud_offset(pgd, addr); + pud = pud_offset(p4d, addr); do { next = pud_addr_end(addr, end); if (pud_none_or_clear_bad(pud)) @@ -481,8 +487,8 @@ static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, if (end - 1 > ceiling - 1) return; - pud = pud_offset(pgd, start); - pgd_clear(pgd); + pud = pud_offset(p4d, start); + p4d_clear(p4d); pud_free_tlb(tlb, pud, start); mm_dec_nr_puds(tlb->mm); } @@ -492,6 +498,7 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long floor, unsigned long ceiling) { pgd_t *pgd; + p4d_t *p4d; unsigned long next; addr &= PMD_MASK; @@ -511,10 +518,11 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, return; pgd = pgd_offset(tlb->mm, addr); + p4d = p4d_offset(pgd, addr); do { - next = pgd_addr_end(addr, end); - if (pgd_none_or_clear_bad(pgd)) + next = p4d_addr_end(addr, end); + if (p4d_none_or_clear_bad(p4d)) continue; - hugetlb_free_pud_range(tlb, pgd, addr, next, floor, ceiling); - } while (pgd++, addr = next, addr != end); + hugetlb_free_pud_range(tlb, p4d, addr, next, floor, ceiling); + } while (p4d++, addr = next, addr != end); } diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index e6d91819da92..1cf0d666dea3 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -530,7 +530,8 @@ void __kprobes flush_icache_range(unsigned long start, unsigned long end) paddr = kaddr & mask; else { pgd_t *pgdp = pgd_offset_k(kaddr); - pud_t *pudp = pud_offset(pgdp, kaddr); + p4d_t *p4dp = p4d_offset(pgdp, kaddr); + pud_t *pudp = pud_offset(p4dp, kaddr); pmd_t *pmdp = pmd_offset(pudp, kaddr); pte_t *ptep = pte_offset_kernel(pmdp, kaddr); @@ -1653,6 +1654,7 @@ static unsigned long max_phys_bits = 40; bool kern_addr_valid(unsigned long addr) { pgd_t *pgd; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pte_t *pte; @@ -1674,7 +1676,11 @@ bool kern_addr_valid(unsigned long addr) if (pgd_none(*pgd)) return 0; - pud = pud_offset(pgd, addr); + p4d = p4d_offset(pgd, addr); + if (p4d_none(*p4d)) + return 0; + + pud = pud_offset(p4d, addr); if (pud_none(*pud)) return 0; @@ -1800,6 +1806,7 @@ static unsigned long __ref kernel_map_range(unsigned long pstart, while (vstart < vend) { unsigned long this_end, paddr = __pa(vstart); pgd_t *pgd = pgd_offset_k(vstart); + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pte_t *pte; @@ -1814,7 +1821,20 @@ static unsigned long __ref kernel_map_range(unsigned long pstart, alloc_bytes += PAGE_SIZE; pgd_populate(&init_mm, pgd, new); } - pud = pud_offset(pgd, vstart); + + p4d = p4d_offset(pgd, vstart); + if (p4d_none(*p4d)) { + pud_t *new; + + new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, + PAGE_SIZE); + if (!new) + goto err_alloc; + alloc_bytes += PAGE_SIZE; + p4d_populate(&init_mm, p4d, new); + } + + pud = pud_offset(p4d, vstart); if (pud_none(*pud)) { pmd_t *new; @@ -2612,13 +2632,18 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend, for (; vstart < vend; vstart += PMD_SIZE) { pgd_t *pgd = vmemmap_pgd_populate(vstart, node); unsigned long pte; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; if (!pgd) return -ENOMEM; - pud = vmemmap_pud_populate(pgd, vstart, node); + p4d = vmemmap_p4d_populate(pgd, vstart, node); + if (!p4d) + return -ENOMEM; + + pud = vmemmap_pud_populate(p4d, vstart, node); if (!pud) return -ENOMEM; diff --git a/arch/sparc/net/bpf_jit_comp_32.c b/arch/sparc/net/bpf_jit_comp_32.c index 84cc8f7f83e9..c8eabb973b86 100644 --- a/arch/sparc/net/bpf_jit_comp_32.c +++ b/arch/sparc/net/bpf_jit_comp_32.c @@ -180,19 +180,19 @@ do { \ #define emit_loadptr(BASE, STRUCT, FIELD, DEST) \ do { unsigned int _off = offsetof(STRUCT, FIELD); \ - BUILD_BUG_ON(FIELD_SIZEOF(STRUCT, FIELD) != sizeof(void *)); \ + BUILD_BUG_ON(sizeof_field(STRUCT, FIELD) != sizeof(void *)); \ *prog++ = LDPTRI | RS1(BASE) | S13(_off) | RD(DEST); \ } while (0) #define emit_load32(BASE, STRUCT, FIELD, DEST) \ do { unsigned int _off = offsetof(STRUCT, FIELD); \ - BUILD_BUG_ON(FIELD_SIZEOF(STRUCT, FIELD) != sizeof(u32)); \ + BUILD_BUG_ON(sizeof_field(STRUCT, FIELD) != sizeof(u32)); \ *prog++ = LD32I | RS1(BASE) | S13(_off) | RD(DEST); \ } while (0) #define emit_load16(BASE, STRUCT, FIELD, DEST) \ do { unsigned int _off = offsetof(STRUCT, FIELD); \ - BUILD_BUG_ON(FIELD_SIZEOF(STRUCT, FIELD) != sizeof(u16)); \ + BUILD_BUG_ON(sizeof_field(STRUCT, FIELD) != sizeof(u16)); \ *prog++ = LD16I | RS1(BASE) | S13(_off) | RD(DEST); \ } while (0) @@ -202,7 +202,7 @@ do { unsigned int _off = offsetof(STRUCT, FIELD); \ } while (0) #define emit_load8(BASE, STRUCT, FIELD, DEST) \ -do { BUILD_BUG_ON(FIELD_SIZEOF(STRUCT, FIELD) != sizeof(u8)); \ +do { BUILD_BUG_ON(sizeof_field(STRUCT, FIELD) != sizeof(u8)); \ __emit_load8(BASE, STRUCT, FIELD, DEST); \ } while (0) |