diff options
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/include/asm/checksum.h | 3 | ||||
| -rw-r--r-- | arch/alpha/include/asm/floppy.h | 4 | ||||
| -rw-r--r-- | arch/alpha/kernel/binfmt_loader.c | 11 | ||||
| -rw-r--r-- | arch/alpha/kernel/setup.c | 13 | ||||
| -rw-r--r-- | arch/alpha/kernel/syscalls/syscall.tbl | 1 | ||||
| -rw-r--r-- | arch/alpha/lib/csum_partial_copy.c | 6 | ||||
| -rw-r--r-- | arch/alpha/mm/init.c | 16 | ||||
| -rw-r--r-- | arch/alpha/mm/numa.c | 22 |
8 files changed, 33 insertions, 43 deletions
diff --git a/arch/alpha/include/asm/checksum.h b/arch/alpha/include/asm/checksum.h index 473e6ccb65a3..0eac81624d01 100644 --- a/arch/alpha/include/asm/checksum.h +++ b/arch/alpha/include/asm/checksum.h @@ -41,7 +41,8 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum); * here even more important to align src and dst on a 32-bit (or even * better 64-bit) boundary */ -__wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp); +#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER +__wsum csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp); __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h index 942924756cf2..8dfdb3aa1d96 100644 --- a/arch/alpha/include/asm/floppy.h +++ b/arch/alpha/include/asm/floppy.h @@ -11,8 +11,8 @@ #define __ASM_ALPHA_FLOPPY_H -#define fd_inb(port) inb_p(port) -#define fd_outb(value,port) outb_p(value,port) +#define fd_inb(base, reg) inb_p((base) + (reg)) +#define fd_outb(value, base, reg) outb_p(value, (base) + (reg)) #define fd_enable_dma() enable_dma(FLOPPY_DMA) #define fd_disable_dma() disable_dma(FLOPPY_DMA) diff --git a/arch/alpha/kernel/binfmt_loader.c b/arch/alpha/kernel/binfmt_loader.c index a8d0d6e06526..e4be7a543ecf 100644 --- a/arch/alpha/kernel/binfmt_loader.c +++ b/arch/alpha/kernel/binfmt_loader.c @@ -19,10 +19,6 @@ static int load_binary(struct linux_binprm *bprm) if (bprm->loader) return -ENOEXEC; - allow_write_access(bprm->file); - fput(bprm->file); - bprm->file = NULL; - loader = bprm->vma->vm_end - sizeof(void *); file = open_exec("/sbin/loader"); @@ -33,12 +29,9 @@ static int load_binary(struct linux_binprm *bprm) /* Remember if the application is TASO. */ bprm->taso = eh->ah.entry < 0x100000000UL; - bprm->file = file; + bprm->interpreter = file; bprm->loader = loader; - retval = prepare_binprm(bprm); - if (retval < 0) - return retval; - return search_binary_handler(bprm); + return 0; } static struct linux_binfmt loader_format = { diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index f19aa577354b..6fa802c495b4 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -430,6 +430,15 @@ register_cpus(void) arch_initcall(register_cpus); +#ifdef CONFIG_MAGIC_SYSRQ +static const struct sysrq_key_op srm_sysrq_reboot_op = { + .handler = machine_halt, + .help_msg = "reboot(b)", + .action_msg = "Resetting", + .enable_mask = SYSRQ_ENABLE_BOOT, +}; +#endif + void __init setup_arch(char **cmdline_p) { @@ -550,8 +559,8 @@ setup_arch(char **cmdline_p) /* If we're using SRM, make sysrq-b halt back to the prom, not auto-reboot. */ if (alpha_using_srm) { - struct sysrq_key_op *op = __sysrq_get_key_op('b'); - op->handler = (void *) machine_halt; + unregister_sysrq_key('b', __sysrq_reboot_op); + register_sysrq_key('b', &srm_sysrq_reboot_op); } #endif diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index 36d42da7466a..5ddd128d4b7a 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -477,3 +477,4 @@ # 545 reserved for clone3 547 common openat2 sys_openat2 548 common pidfd_getfd sys_pidfd_getfd +549 common faccessat2 sys_faccessat2 diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c index e53f96e8aa6d..af1dad74e933 100644 --- a/arch/alpha/lib/csum_partial_copy.c +++ b/arch/alpha/lib/csum_partial_copy.c @@ -325,7 +325,7 @@ csum_partial_cfu_unaligned(const unsigned long __user * src, } __wsum -csum_partial_copy_from_user(const void __user *src, void *dst, int len, +csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp) { unsigned long checksum = (__force u32) sum; @@ -369,7 +369,7 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len, } return (__force __wsum)checksum; } -EXPORT_SYMBOL(csum_partial_copy_from_user); +EXPORT_SYMBOL(csum_and_copy_from_user); __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) @@ -377,7 +377,7 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) __wsum checksum; mm_segment_t oldfs = get_fs(); set_fs(KERNEL_DS); - checksum = csum_partial_copy_from_user((__force const void __user *)src, + checksum = csum_and_copy_from_user((__force const void __user *)src, dst, len, sum, NULL); set_fs(oldfs); return checksum; diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index 12e218d3792a..667cd21393b5 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -243,21 +243,17 @@ callback_init(void * kernel_end) */ void __init paging_init(void) { - unsigned long zones_size[MAX_NR_ZONES] = {0, }; - unsigned long dma_pfn, high_pfn; + unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, }; + unsigned long dma_pfn; dma_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - high_pfn = max_pfn = max_low_pfn; + max_pfn = max_low_pfn; - if (dma_pfn >= high_pfn) - zones_size[ZONE_DMA] = high_pfn; - else { - zones_size[ZONE_DMA] = dma_pfn; - zones_size[ZONE_NORMAL] = high_pfn - dma_pfn; - } + max_zone_pfn[ZONE_DMA] = dma_pfn; + max_zone_pfn[ZONE_NORMAL] = max_pfn; /* Initialize mem_map[]. */ - free_area_init(zones_size); + free_area_init(max_zone_pfn); /* Initialize the kernel's ZERO_PGE. */ memset((void *)ZERO_PGE, 0, PAGE_SIZE); diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c index d0b73371e985..5ad6087de1d6 100644 --- a/arch/alpha/mm/numa.c +++ b/arch/alpha/mm/numa.c @@ -144,8 +144,8 @@ setup_memory_node(int nid, void *kernel_end) if (!nid && (node_max_pfn < end_kernel_pfn || node_min_pfn > start_kernel_pfn)) panic("kernel loaded out of ram"); - memblock_add(PFN_PHYS(node_min_pfn), - (node_max_pfn - node_min_pfn) << PAGE_SHIFT); + memblock_add_node(PFN_PHYS(node_min_pfn), + (node_max_pfn - node_min_pfn) << PAGE_SHIFT, nid); /* Zone start phys-addr must be 2^(MAX_ORDER-1) aligned. Note that we round this down, not up - node memory @@ -202,8 +202,7 @@ setup_memory(void *kernel_end) void __init paging_init(void) { - unsigned int nid; - unsigned long zones_size[MAX_NR_ZONES] = {0, }; + unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, }; unsigned long dma_local_pfn; /* @@ -215,19 +214,10 @@ void __init paging_init(void) */ dma_local_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - for_each_online_node(nid) { - unsigned long start_pfn = NODE_DATA(nid)->node_start_pfn; - unsigned long end_pfn = start_pfn + NODE_DATA(nid)->node_present_pages; + max_zone_pfn[ZONE_DMA] = dma_local_pfn; + max_zone_pfn[ZONE_NORMAL] = max_pfn; - if (dma_local_pfn >= end_pfn - start_pfn) - zones_size[ZONE_DMA] = end_pfn - start_pfn; - else { - zones_size[ZONE_DMA] = dma_local_pfn; - zones_size[ZONE_NORMAL] = (end_pfn - start_pfn) - dma_local_pfn; - } - node_set_state(nid, N_NORMAL_MEMORY); - free_area_init_node(nid, zones_size, start_pfn, NULL); - } + free_area_init(max_zone_pfn); /* Initialize the kernel's ZERO_PGE. */ memset((void *)ZERO_PGE, 0, PAGE_SIZE); |