diff options
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 46 |
1 files changed, 29 insertions, 17 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 7f7ba5f23f13..e4d811f17971 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -35,6 +35,7 @@ #include <linux/root_dev.h> #include <linux/console.h> #include <linux/kernel_stat.h> +#include <linux/dma-contiguous.h> #include <linux/device.h> #include <linux/notifier.h> #include <linux/pfn.h> @@ -303,7 +304,7 @@ static void __init setup_lowcore(void) * Setup lowcore for boot cpu */ BUILD_BUG_ON(sizeof(struct lowcore) != LC_PAGES * 4096); - lc = __alloc_bootmem_low(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0); + lc = memblock_virt_alloc_low(sizeof(*lc), sizeof(*lc)); lc->restart_psw.mask = PSW_KERNEL_BITS; lc->restart_psw.addr = (unsigned long) restart_int_handler; lc->external_new_psw.mask = PSW_KERNEL_BITS | @@ -324,15 +325,15 @@ static void __init setup_lowcore(void) lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs); lc->async_stack = (unsigned long) - __alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0) + memblock_virt_alloc(ASYNC_SIZE, ASYNC_SIZE) + ASYNC_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs); lc->panic_stack = (unsigned long) - __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0) + memblock_virt_alloc(PAGE_SIZE, PAGE_SIZE) + PAGE_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs); - lc->current_task = (unsigned long) init_thread_union.thread_info.task; - lc->thread_info = (unsigned long) &init_thread_union; + lc->current_task = (unsigned long)&init_task; lc->lpp = LPP_MAGIC; lc->machine_flags = S390_lowcore.machine_flags; + lc->preempt_count = S390_lowcore.preempt_count; lc->stfl_fac_list = S390_lowcore.stfl_fac_list; memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list, MAX_FACILITY_BIT/8); @@ -349,7 +350,7 @@ static void __init setup_lowcore(void) lc->last_update_timer = S390_lowcore.last_update_timer; lc->last_update_clock = S390_lowcore.last_update_clock; - restart_stack = __alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0); + restart_stack = memblock_virt_alloc(ASYNC_SIZE, ASYNC_SIZE); restart_stack += ASYNC_SIZE; /* @@ -412,7 +413,7 @@ static void __init setup_resources(void) bss_resource.end = (unsigned long) &__bss_stop - 1; for_each_memblock(memory, reg) { - res = alloc_bootmem_low(sizeof(*res)); + res = memblock_virt_alloc(sizeof(*res), 8); res->flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM; res->name = "System RAM"; @@ -426,7 +427,7 @@ static void __init setup_resources(void) std_res->start > res->end) continue; if (std_res->end > res->end) { - sub_res = alloc_bootmem_low(sizeof(*sub_res)); + sub_res = memblock_virt_alloc(sizeof(*sub_res), 8); *sub_res = *std_res; sub_res->end = res->end; std_res->start = res->end + 1; @@ -445,7 +446,7 @@ static void __init setup_resources(void) * part of the System RAM resource. */ if (crashk_res.end) { - memblock_add(crashk_res.start, resource_size(&crashk_res)); + memblock_add_node(crashk_res.start, resource_size(&crashk_res), 0); memblock_reserve(crashk_res.start, resource_size(&crashk_res)); insert_resource(&iomem_resource, &crashk_res); } @@ -484,7 +485,7 @@ static void __init setup_memory_end(void) max_pfn = max_low_pfn = PFN_DOWN(memory_end); memblock_remove(memory_end, ULONG_MAX); - pr_notice("Max memory size: %luMB\n", memory_end >> 20); + pr_notice("The maximum memory size is %luMB\n", memory_end >> 20); } static void __init setup_vmcoreinfo(void) @@ -635,6 +636,8 @@ static void __init reserve_crashkernel(void) static void __init reserve_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD + if (!INITRD_START || !INITRD_SIZE) + return; initrd_start = INITRD_START; initrd_end = initrd_start + INITRD_SIZE; memblock_reserve(INITRD_START, INITRD_SIZE); @@ -649,7 +652,7 @@ static void __init check_initrd(void) #ifdef CONFIG_BLK_DEV_INITRD if (INITRD_START && INITRD_SIZE && !memblock_is_region_memory(INITRD_START, INITRD_SIZE)) { - pr_err("initrd does not fit memory.\n"); + pr_err("The initial RAM disk does not fit into the memory\n"); memblock_free(INITRD_START, INITRD_SIZE); initrd_start = initrd_end = 0; } @@ -746,7 +749,7 @@ static int __init setup_hwcaps(void) /* * Huge page support HWCAP_S390_HPAGE is bit 7. */ - if (MACHINE_HAS_HPAGE) + if (MACHINE_HAS_EDAT1) elf_hwcap |= HWCAP_S390_HPAGE; /* @@ -766,8 +769,14 @@ static int __init setup_hwcaps(void) * can be disabled with the "novx" parameter. Use MACHINE_HAS_VX * instead of facility bit 129. */ - if (MACHINE_HAS_VX) + if (MACHINE_HAS_VX) { elf_hwcap |= HWCAP_S390_VXRS; + if (test_facility(134)) + elf_hwcap |= HWCAP_S390_VXRS_EXT; + if (test_facility(135)) + elf_hwcap |= HWCAP_S390_VXRS_BCD; + } + get_cpu_id(&cpu_id); add_device_randomness(&cpu_id, sizeof(cpu_id)); switch (cpu_id.machine) { @@ -819,10 +828,10 @@ static void __init setup_randomness(void) { struct sysinfo_3_2_2 *vmms; - vmms = (struct sysinfo_3_2_2 *) alloc_page(GFP_KERNEL); - if (vmms && stsi(vmms, 3, 2, 2) == 0 && vmms->count) - add_device_randomness(&vmms, vmms->count); - free_page((unsigned long) vmms); + vmms = (struct sysinfo_3_2_2 *) memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (stsi(vmms, 3, 2, 2) == 0 && vmms->count) + add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count); + memblock_free((unsigned long) vmms, PAGE_SIZE); } /* @@ -903,6 +912,7 @@ void __init setup_arch(char **cmdline_p) setup_memory_end(); setup_memory(); + dma_contiguous_reserve(memory_end); check_initrd(); reserve_crashkernel(); @@ -921,6 +931,8 @@ void __init setup_arch(char **cmdline_p) cpu_detect_mhz_feature(); cpu_init(); numa_setup(); + smp_detect_cpus(); + topology_init_early(); /* * Create kernel page tables and switch to virtual addressing. |