diff options
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/Kconfig | 8 | ||||
-rw-r--r-- | arch/sparc/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/sparc/include/asm/floppy_64.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/jump_label.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/prom.h | 12 | ||||
-rw-r--r-- | arch/sparc/include/uapi/asm/errno.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/uapi/asm/socket.h | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/Makefile | 3 | ||||
-rw-r--r-- | arch/sparc/kernel/ds.c | 5 | ||||
-rw-r--r-- | arch/sparc/kernel/irq_64.c | 31 | ||||
-rw-r--r-- | arch/sparc/kernel/ldc.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/module.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/prom_64.c | 53 | ||||
-rw-r--r-- | arch/sparc/kernel/signal32.c | 2 | ||||
-rw-r--r-- | arch/sparc/mm/init_64.c | 11 | ||||
-rw-r--r-- | arch/sparc/mm/srmmu.c | 5 | ||||
-rw-r--r-- | arch/sparc/mm/tlb.c | 12 | ||||
-rw-r--r-- | arch/sparc/net/bpf_jit_comp.c | 1 |
18 files changed, 100 insertions, 58 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 2137ad66743..8591b201d9c 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -28,7 +28,6 @@ config SPARC select HAVE_ARCH_JUMP_LABEL select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION - select USE_GENERIC_SMP_HELPERS if SMP select GENERIC_PCI_IOMAP select HAVE_NMI_WATCHDOG if SPARC64 select HAVE_BPF_JIT @@ -506,12 +505,17 @@ config SUN_OPENPROMFS Only choose N if you know in advance that you will not need to modify OpenPROM settings on the running system. -# Makefile helper +# Makefile helpers config SPARC64_PCI bool default y depends on SPARC64 && PCI +config SPARC64_PCI_MSI + bool + default y + depends on SPARC64_PCI && PCI_MSI + endmenu menu "Executable file formats" diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 7e4a97fbded..bf390667657 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -16,3 +16,4 @@ generic-y += serial.h generic-y += trace_clock.h generic-y += types.h generic-y += word-at-a-time.h +generic-y += preempt.h diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index e204f902e6c..7c90c50c200 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -254,7 +254,7 @@ static int sun_fd_request_irq(void) once = 1; error = request_irq(FLOPPY_IRQ, sparc_floppy_irq, - IRQF_DISABLED, "floppy", NULL); + 0, "floppy", NULL); return ((error == 0) ? 0 : -1); } diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h index 5080d16a832..ec2e2e2aba7 100644 --- a/arch/sparc/include/asm/jump_label.h +++ b/arch/sparc/include/asm/jump_label.h @@ -9,7 +9,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" "nop\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h index 67c62578d17..11ebd659e7b 100644 --- a/arch/sparc/include/asm/prom.h +++ b/arch/sparc/include/asm/prom.h @@ -43,10 +43,6 @@ extern int of_getintprop_default(struct device_node *np, const char *name, int def); extern int of_find_in_proplist(const char *list, const char *match, int len); -#ifdef CONFIG_NUMA -extern int of_node_to_nid(struct device_node *dp); -#define of_node_to_nid of_node_to_nid -#endif extern void prom_build_devicetree(void); extern void of_populate_present_mask(void); @@ -63,13 +59,5 @@ extern char *of_console_options; extern void irq_trans_init(struct device_node *dp); extern char *build_path_component(struct device_node *dp); -/* SPARC has local implementations */ -extern int of_address_to_resource(struct device_node *dev, int index, - struct resource *r); -#define of_address_to_resource of_address_to_resource - -void __iomem *of_iomap(struct device_node *node, int index); -#define of_iomap of_iomap - #endif /* __KERNEL__ */ #endif /* _SPARC_PROM_H */ diff --git a/arch/sparc/include/uapi/asm/errno.h b/arch/sparc/include/uapi/asm/errno.h index c351aba997b..20423e17285 100644 --- a/arch/sparc/include/uapi/asm/errno.h +++ b/arch/sparc/include/uapi/asm/errno.h @@ -40,7 +40,7 @@ #define EPROCLIM 67 /* SUNOS: Too many processes */ #define EUSERS 68 /* Too many users */ #define EDQUOT 69 /* Quota exceeded */ -#define ESTALE 70 /* Stale NFS file handle */ +#define ESTALE 70 /* Stale file handle */ #define EREMOTE 71 /* Object is remote */ #define ENOSTR 72 /* Device not a stream */ #define ETIME 73 /* Timer expired */ diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h index 4e1d66c3ce7..0f21e9a5ca1 100644 --- a/arch/sparc/include/uapi/asm/socket.h +++ b/arch/sparc/include/uapi/asm/socket.h @@ -72,6 +72,8 @@ #define SO_BUSY_POLL 0x0030 +#define SO_MAX_PACING_RATE 0x0031 + /* Security levels - as per NRL IPv6 - don't actually do anything */ #define SO_SECURITY_AUTHENTICATION 0x5001 #define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002 diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index d432fb20358..d15cc1794b0 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -1,3 +1,4 @@ + # # Makefile for the linux kernel. # @@ -99,7 +100,7 @@ obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o obj-$(CONFIG_SPARC64_PCI) += pci_psycho.o pci_sabre.o pci_schizo.o obj-$(CONFIG_SPARC64_PCI) += pci_sun4v.o pci_sun4v_asm.o pci_fire.o -obj-$(CONFIG_PCI_MSI) += pci_msi.o +obj-$(CONFIG_SPARC64_PCI_MSI) += pci_msi.o obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index 62d6b153ffa..dff60abbea0 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -849,9 +849,8 @@ void ldom_reboot(const char *boot_command) if (boot_command && strlen(boot_command)) { unsigned long len; - strcpy(full_boot_str, "boot "); - strlcpy(full_boot_str + strlen("boot "), boot_command, - sizeof(full_boot_str + strlen("boot "))); + snprintf(full_boot_str, sizeof(full_boot_str), "boot %s", + boot_command); len = strlen(full_boot_str); if (reboot_data_supported) { diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index d4840cec2c5..666193f4e8b 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -698,30 +698,19 @@ void __irq_entry handler_irq(int pil, struct pt_regs *regs) set_irq_regs(old_regs); } -void do_softirq(void) +void do_softirq_own_stack(void) { - unsigned long flags; - - if (in_interrupt()) - return; - - local_irq_save(flags); + void *orig_sp, *sp = softirq_stack[smp_processor_id()]; - if (local_softirq_pending()) { - void *orig_sp, *sp = softirq_stack[smp_processor_id()]; - - sp += THREAD_SIZE - 192 - STACK_BIAS; - - __asm__ __volatile__("mov %%sp, %0\n\t" - "mov %1, %%sp" - : "=&r" (orig_sp) - : "r" (sp)); - __do_softirq(); - __asm__ __volatile__("mov %0, %%sp" - : : "r" (orig_sp)); - } + sp += THREAD_SIZE - 192 - STACK_BIAS; - local_irq_restore(flags); + __asm__ __volatile__("mov %%sp, %0\n\t" + "mov %1, %%sp" + : "=&r" (orig_sp) + : "r" (sp)); + __do_softirq(); + __asm__ __volatile__("mov %0, %%sp" + : : "r" (orig_sp)); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index 54df554b82d..e01d75d4032 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1249,12 +1249,12 @@ int ldc_bind(struct ldc_channel *lp, const char *name) snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name); snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); - err = request_irq(lp->cfg.rx_irq, ldc_rx, IRQF_DISABLED, + err = request_irq(lp->cfg.rx_irq, ldc_rx, 0, lp->rx_irq_name, lp); if (err) return err; - err = request_irq(lp->cfg.tx_irq, ldc_tx, IRQF_DISABLED, + err = request_irq(lp->cfg.tx_irq, ldc_tx, 0, lp->tx_irq_name, lp); if (err) { free_irq(lp->cfg.rx_irq, lp); diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 4435488ebe2..97655e0fd24 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -29,7 +29,7 @@ static void *module_map(unsigned long size) if (PAGE_ALIGN(size) > MODULES_LEN) return NULL; return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, - GFP_KERNEL, PAGE_KERNEL, -1, + GFP_KERNEL, PAGE_KERNEL, NUMA_NO_NODE, __builtin_return_address(0)); } #else diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index d397d7fc5c2..6b39125eb92 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c @@ -373,6 +373,59 @@ static const char *get_mid_prop(void) return (tlb_type == spitfire ? "upa-portid" : "portid"); } +bool arch_find_n_match_cpu_physical_id(struct device_node *cpun, + int cpu, unsigned int *thread) +{ + const char *mid_prop = get_mid_prop(); + int this_cpu_id; + + /* On hypervisor based platforms we interrogate the 'reg' + * property. On everything else we look for a 'upa-portis', + * 'portid', or 'cpuid' property. + */ + + if (tlb_type == hypervisor) { + struct property *prop = of_find_property(cpun, "reg", NULL); + u32 *regs; + + if (!prop) { + pr_warn("CPU node missing reg property\n"); + return false; + } + regs = prop->value; + this_cpu_id = regs[0] & 0x0fffffff; + } else { + this_cpu_id = of_getintprop_default(cpun, mid_prop, -1); + + if (this_cpu_id < 0) { + mid_prop = "cpuid"; + this_cpu_id = of_getintprop_default(cpun, mid_prop, -1); + } + if (this_cpu_id < 0) { + pr_warn("CPU node missing cpu ID property\n"); + return false; + } + } + if (this_cpu_id == cpu) { + if (thread) { + int proc_id = cpu_data(cpu).proc_id; + + /* On sparc64, the cpu thread information is obtained + * either from OBP or the machine description. We've + * actually probed this information already long before + * this interface gets called so instead of interrogating + * both the OF node and the MDESC again, just use what + * we discovered already. + */ + if (proc_id < 0) + proc_id = 0; + *thread = proc_id; + } + return true; + } + return false; +} + static void *of_iterate_over_cpus(void *(*func)(struct device_node *, int, int), int arg) { struct device_node *dp; diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index b524f91dd0e..ee789d2ef05 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -68,7 +68,7 @@ struct rt_signal_frame32 { /* __siginfo_rwin_t * */u32 rwin_save; } __attribute__((aligned(8))); -int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) +int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) { int err; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index ed82edad1a3..d6de9353ee1 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -2519,12 +2519,13 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, return pte; page = __alloc_for_cache(mm); - if (page) { - pgtable_page_ctor(page); - pte = (pte_t *) page_address(page); + if (!page) + return NULL; + if (!pgtable_page_ctor(page)) { + free_hot_cold_page(page, 0); + return NULL; } - - return pte; + return (pte_t *) page_address(page); } void pte_free_kernel(struct mm_struct *mm, pte_t *pte) diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 5d721df48a7..869023abe5a 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -345,7 +345,10 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) if ((pte = (unsigned long)pte_alloc_one_kernel(mm, address)) == 0) return NULL; page = pfn_to_page(__nocache_pa(pte) >> PAGE_SHIFT); - pgtable_page_ctor(page); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; + } return page; } diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index 7a91f288c70..656cc46a81f 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -196,11 +196,11 @@ void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, assert_spin_locked(&mm->page_table_lock); /* FIFO */ - if (!mm->pmd_huge_pte) + if (!pmd_huge_pte(mm, pmdp)) INIT_LIST_HEAD(lh); else - list_add(lh, (struct list_head *) mm->pmd_huge_pte); - mm->pmd_huge_pte = pgtable; + list_add(lh, (struct list_head *) pmd_huge_pte(mm, pmdp)); + pmd_huge_pte(mm, pmdp) = pgtable; } pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp) @@ -211,12 +211,12 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp) assert_spin_locked(&mm->page_table_lock); /* FIFO */ - pgtable = mm->pmd_huge_pte; + pgtable = pmd_huge_pte(mm, pmdp); lh = (struct list_head *) pgtable; if (list_empty(lh)) - mm->pmd_huge_pte = NULL; + pmd_huge_pte(mm, pmdp) = NULL; else { - mm->pmd_huge_pte = (pgtable_t) lh->next; + pmd_huge_pte(mm, pmdp) = (pgtable_t) lh->next; list_del(lh); } pte_val(pgtable[0]) = 0; diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index 9c7be59e6f5..218b6b23c37 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -808,4 +808,5 @@ void bpf_jit_free(struct sk_filter *fp) { if (fp->bpf_func != sk_run_filter) module_free(NULL, fp->bpf_func); + kfree(fp); } |