diff options
Diffstat (limited to 'arch/metag')
-rw-r--r-- | arch/metag/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/metag/include/asm/barrier.h | 15 | ||||
-rw-r--r-- | arch/metag/include/asm/fixmap.h | 32 | ||||
-rw-r--r-- | arch/metag/include/asm/smp.h | 2 | ||||
-rw-r--r-- | arch/metag/kernel/dma.c | 5 | ||||
-rw-r--r-- | arch/metag/kernel/smp.c | 15 | ||||
-rw-r--r-- | arch/metag/kernel/topology.c | 1 | ||||
-rw-r--r-- | arch/metag/mm/init.c | 3 | ||||
-rw-r--r-- | arch/metag/mm/numa.c | 3 |
9 files changed, 26 insertions, 51 deletions
diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index 84d0c1d6b9b3..b716d807c2ec 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -53,3 +53,4 @@ generic-y += user.h generic-y += vga.h generic-y += xor.h generic-y += preempt.h +generic-y += hash.h diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h index c90bfc6bf648..5d6b4b407dda 100644 --- a/arch/metag/include/asm/barrier.h +++ b/arch/metag/include/asm/barrier.h @@ -82,4 +82,19 @@ static inline void fence(void) #define smp_read_barrier_depends() do { } while (0) #define set_mb(var, value) do { var = value; smp_mb(); } while (0) +#define smp_store_release(p, v) \ +do { \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ACCESS_ONCE(*p) = (v); \ +} while (0) + +#define smp_load_acquire(p) \ +({ \ + typeof(*p) ___p1 = ACCESS_ONCE(*p); \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ___p1; \ +}) + #endif /* _ASM_METAG_BARRIER_H */ diff --git a/arch/metag/include/asm/fixmap.h b/arch/metag/include/asm/fixmap.h index 33312751c92b..af621b041739 100644 --- a/arch/metag/include/asm/fixmap.h +++ b/arch/metag/include/asm/fixmap.h @@ -51,37 +51,7 @@ enum fixed_addresses { #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START ((FIXADDR_TOP - FIXADDR_SIZE) & PMD_MASK) -#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) -#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) - -extern void __this_fixmap_does_not_exist(void); -/* - * 'index to address' translation. If anyone tries to use the idx - * directly without tranlation, we catch the bug with a NULL-deference - * kernel oops. Illegal ranges of incoming indices are caught too. - */ -static inline unsigned long fix_to_virt(const unsigned int idx) -{ - /* - * this branch gets completely eliminated after inlining, - * except when someone tries to use fixaddr indices in an - * illegal way. (such as mixing up address types or using - * out-of-range indices). - * - * If it doesn't get removed, the linker will complain - * loudly with a reasonably clear error message.. - */ - if (idx >= __end_of_fixed_addresses) - __this_fixmap_does_not_exist(); - - return __fix_to_virt(idx); -} - -static inline unsigned long virt_to_fix(const unsigned long vaddr) -{ - BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); - return __virt_to_fix(vaddr); -} +#include <asm-generic/fixmap.h> #define kmap_get_fixmap_pte(vaddr) \ pte_offset_kernel( \ diff --git a/arch/metag/include/asm/smp.h b/arch/metag/include/asm/smp.h index e0373f81a117..1d7e770f7a54 100644 --- a/arch/metag/include/asm/smp.h +++ b/arch/metag/include/asm/smp.h @@ -7,13 +7,11 @@ enum ipi_msg_type { IPI_CALL_FUNC, - IPI_CALL_FUNC_SINGLE, IPI_RESCHEDULE, }; extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); -#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask asmlinkage void secondary_start_kernel(void); diff --git a/arch/metag/kernel/dma.c b/arch/metag/kernel/dma.c index db589ad5dbc4..c700d625067a 100644 --- a/arch/metag/kernel/dma.c +++ b/arch/metag/kernel/dma.c @@ -399,11 +399,6 @@ static int __init dma_alloc_init(void) pgd = pgd_offset(&init_mm, CONSISTENT_START); pud = pud_alloc(&init_mm, pgd, CONSISTENT_START); pmd = pmd_alloc(&init_mm, pud, CONSISTENT_START); - if (!pmd) { - pr_err("%s: no pmd tables\n", __func__); - ret = -ENOMEM; - break; - } WARN_ON(!pmd_none(*pmd)); pte = pte_alloc_kernel(pmd, CONSISTENT_START); diff --git a/arch/metag/kernel/smp.c b/arch/metag/kernel/smp.c index 7c0113142981..f006d2276f40 100644 --- a/arch/metag/kernel/smp.c +++ b/arch/metag/kernel/smp.c @@ -68,7 +68,7 @@ static DECLARE_COMPLETION(cpu_running); /* * "thread" is assumed to be a valid Meta hardware thread ID. */ -int boot_secondary(unsigned int thread, struct task_struct *idle) +static int boot_secondary(unsigned int thread, struct task_struct *idle) { u32 val; @@ -491,7 +491,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) void arch_send_call_function_single_ipi(int cpu) { - send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE); + send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC); } void show_ipi_list(struct seq_file *p) @@ -517,11 +517,10 @@ static DEFINE_SPINLOCK(stop_lock); * * Bit 0 - Inter-processor function call */ -static int do_IPI(struct pt_regs *regs) +static int do_IPI(void) { unsigned int cpu = smp_processor_id(); struct ipi_data *ipi = &per_cpu(ipi_data, cpu); - struct pt_regs *old_regs = set_irq_regs(regs); unsigned long msgs, nextmsg; int handled = 0; @@ -546,10 +545,6 @@ static int do_IPI(struct pt_regs *regs) generic_smp_call_function_interrupt(); break; - case IPI_CALL_FUNC_SINGLE: - generic_smp_call_function_single_interrupt(); - break; - default: pr_crit("CPU%u: Unknown IPI message 0x%lx\n", cpu, nextmsg); @@ -557,8 +552,6 @@ static int do_IPI(struct pt_regs *regs) } } - set_irq_regs(old_regs); - return handled; } @@ -624,7 +617,7 @@ static void kick_raise_softirq(cpumask_t callmap, unsigned int irq) static TBIRES ipi_handler(TBIRES State, int SigNum, int Triggers, int Inst, PTBI pTBI, int *handled) { - *handled = do_IPI((struct pt_regs *)State.Sig.pCtx); + *handled = do_IPI(); return State; } diff --git a/arch/metag/kernel/topology.c b/arch/metag/kernel/topology.c index bec3dec4922e..4ba595701f7d 100644 --- a/arch/metag/kernel/topology.c +++ b/arch/metag/kernel/topology.c @@ -19,6 +19,7 @@ DEFINE_PER_CPU(struct cpuinfo_metag, cpu_data); cpumask_t cpu_core_map[NR_CPUS]; +EXPORT_SYMBOL(cpu_core_map); static cpumask_t cpu_coregroup_map(unsigned int cpu) { diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c index 3cd6288f65c2..11fa51c89617 100644 --- a/arch/metag/mm/init.c +++ b/arch/metag/mm/init.c @@ -204,7 +204,8 @@ static void __init do_init_bootmem(void) start_pfn = memblock_region_memory_base_pfn(reg); end_pfn = memblock_region_memory_end_pfn(reg); memblock_set_node(PFN_PHYS(start_pfn), - PFN_PHYS(end_pfn - start_pfn), 0); + PFN_PHYS(end_pfn - start_pfn), + &memblock.memory, 0); } /* All of system RAM sits in node 0 for the non-NUMA case */ diff --git a/arch/metag/mm/numa.c b/arch/metag/mm/numa.c index b172aa45fcf8..67b46c295072 100644 --- a/arch/metag/mm/numa.c +++ b/arch/metag/mm/numa.c @@ -42,7 +42,8 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) memblock_add(start, end - start); memblock_set_node(PFN_PHYS(start_pfn), - PFN_PHYS(end_pfn - start_pfn), nid); + PFN_PHYS(end_pfn - start_pfn), + &memblock.memory, nid); /* Node-local pgdat */ pgdat_paddr = memblock_alloc_base(sizeof(struct pglist_data), |