diff options
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/kernel/head.S | 30 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci_iommu.c | 4 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 4 | ||||
| -rw-r--r-- | arch/sparc64/kernel/setup.c | 23 | ||||
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 16 | ||||
| -rw-r--r-- | arch/sparc64/kernel/systbls.S | 8 |
6 files changed, 53 insertions, 32 deletions
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 3eadac5e171e..31c5892f5acc 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -10,6 +10,7 @@ #include <linux/config.h> #include <linux/version.h> #include <linux/errno.h> +#include <linux/threads.h> #include <asm/thread_info.h> #include <asm/asi.h> #include <asm/pstate.h> @@ -493,6 +494,35 @@ tlb_fixup_done: call prom_init mov %l7, %o0 ! OpenPROM cif handler + /* Initialize current_thread_info()->cpu as early as possible. + * In order to do that accurately we have to patch up the get_cpuid() + * assembler sequences. And that, in turn, requires that we know + * if we are on a Starfire box or not. While we're here, patch up + * the sun4v sequences as well. + */ + call check_if_starfire + nop + call per_cpu_patch + nop + call sun4v_patch + nop + +#ifdef CONFIG_SMP + call hard_smp_processor_id + nop + cmp %o0, NR_CPUS + blu,pt %xcc, 1f + nop + call boot_cpu_id_too_large + nop + /* Not reached... */ + +1: +#else + mov 0, %o0 +#endif + stb %o0, [%g6 + TI_CPU] + /* Off we go.... */ call start_kernel nop diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c index 8efbc139769d..82e5455134c6 100644 --- a/arch/sparc64/kernel/pci_iommu.c +++ b/arch/sparc64/kernel/pci_iommu.c @@ -218,7 +218,7 @@ static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx) * DMA for PCI device PDEV. Return non-NULL cpu-side address if * successful and set *DMA_ADDRP to the PCI side dma address. */ -static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp) +static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -232,7 +232,7 @@ static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr if (order >= 10) return NULL; - first_page = __get_free_pages(GFP_ATOMIC, order); + first_page = __get_free_pages(gfp, order); if (first_page == 0UL) return NULL; memset((char *)first_page, 0, PAGE_SIZE << order); diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 9e94db2573a2..2b7a1f316a93 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -154,7 +154,7 @@ static void pci_arena_free(struct pci_iommu_arena *arena, unsigned long base, un __clear_bit(i, arena->map); } -static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp) +static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -169,7 +169,7 @@ static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr npages = size >> IO_PAGE_SHIFT; - first_page = __get_free_pages(GFP_ATOMIC, order); + first_page = __get_free_pages(gfp, order); if (unlikely(first_page == 0UL)) return NULL; diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index 005167f82419..9cf1c88cd774 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -220,7 +220,7 @@ char reboot_command[COMMAND_LINE_SIZE]; static struct pt_regs fake_swapper_regs = { { 0, }, 0, 0, 0, 0 }; -static void __init per_cpu_patch(void) +void __init per_cpu_patch(void) { struct cpuid_patch_entry *p; unsigned long ver; @@ -280,7 +280,7 @@ static void __init per_cpu_patch(void) } } -static void __init sun4v_patch(void) +void __init sun4v_patch(void) { struct sun4v_1insn_patch_entry *p1; struct sun4v_2insn_patch_entry *p2; @@ -315,6 +315,15 @@ static void __init sun4v_patch(void) } } +#ifdef CONFIG_SMP +void __init boot_cpu_id_too_large(int cpu) +{ + prom_printf("Serious problem, boot cpu id (%d) >= NR_CPUS (%d)\n", + cpu, NR_CPUS); + prom_halt(); +} +#endif + void __init setup_arch(char **cmdline_p) { /* Initialize PROM console and command line. */ @@ -332,16 +341,6 @@ void __init setup_arch(char **cmdline_p) conswitchp = &prom_con; #endif - /* Work out if we are starfire early on */ - check_if_starfire(); - - /* Now we know enough to patch the get_cpuid sequences - * used by trap code. - */ - per_cpu_patch(); - - sun4v_patch(); - boot_flags_init(*cmdline_p); idprom_init(); diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 90eaca3ec9a6..4e8cd79156e0 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -1264,7 +1264,6 @@ void __init smp_tick_init(void) boot_cpu_id = hard_smp_processor_id(); current_tick_offset = timer_tick_offset; - cpu_set(boot_cpu_id, cpu_online_map); prof_counter(boot_cpu_id) = prof_multiplier(boot_cpu_id) = 1; } @@ -1345,18 +1344,6 @@ void __init smp_setup_cpu_possible_map(void) void __devinit smp_prepare_boot_cpu(void) { - int cpu = hard_smp_processor_id(); - - if (cpu >= NR_CPUS) { - prom_printf("Serious problem, boot cpu id >= NR_CPUS\n"); - prom_halt(); - } - - current_thread_info()->cpu = cpu; - __local_per_cpu_offset = __per_cpu_offset(cpu); - - cpu_set(smp_processor_id(), cpu_online_map); - cpu_set(smp_processor_id(), phys_cpu_present_map); } int __devinit __cpu_up(unsigned int cpu) @@ -1433,4 +1420,7 @@ void __init setup_per_cpu_areas(void) for (i = 0; i < NR_CPUS; i++, ptr += size) memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); + + /* Setup %g5 for the boot cpu. */ + __local_per_cpu_offset = __per_cpu_offset(smp_processor_id()); } diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index d4b39cd30310..1136fc465e37 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -78,8 +78,9 @@ sys_call_table32: .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid /*280*/ .word sys32_tee, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat .word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_fstatat64 -/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat +/*290*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare +/*300*/ .word compat_sys_set_robust_list, compat_sys_get_robust_list #endif /* CONFIG_COMPAT */ @@ -147,8 +148,9 @@ sys_call_table: .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid /*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64 -/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat +/*290*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare +/*300*/ .word sys_set_robust_list, sys_get_robust_list #if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \ defined(CONFIG_SOLARIS_EMUL_MODULE) @@ -261,5 +263,5 @@ sunos_sys_table: /*290*/ .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys, sunos_nosys, sunos_nosys - .word sunos_nosys + .word sunos_nosys, sunos_nosys, sunos_nosys #endif |