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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: fix rcutorture bug rcu: eliminate synchronize_rcu_xxx macro rcu: make treercu safe for suspend and resume rcu: fix rcutree grace-period-latency bug on small systems futex: catch certain assymetric (get|put)_futex_key calls futex: make futex_(get|put)_key() calls symmetric locking, percpu counters: introduce separate lock classes swiotlb: clean up EXPORT_SYMBOL usage swiotlb: remove unnecessary declaration swiotlb: replace architecture-specific swiotlb.h with linux/swiotlb.h swiotlb: add support for systems with highmem swiotlb: store phys address in io_tlb_orig_addr array swiotlb: add hwdev to swiotlb_phys_to_bus() / swiotlb_sg_to_bus()
This commit is contained in:
commit
f94181da71
15 changed files with 195 additions and 301 deletions
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@ -26,8 +26,16 @@ struct percpu_counter {
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extern int percpu_counter_batch;
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int percpu_counter_init(struct percpu_counter *fbc, s64 amount);
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int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount);
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int __percpu_counter_init(struct percpu_counter *fbc, s64 amount,
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struct lock_class_key *key);
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#define percpu_counter_init(fbc, value) \
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({ \
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static struct lock_class_key __key; \
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\
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__percpu_counter_init(fbc, value, &__key); \
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})
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void percpu_counter_destroy(struct percpu_counter *fbc);
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void percpu_counter_set(struct percpu_counter *fbc, s64 amount);
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void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch);
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@ -81,8 +89,6 @@ static inline int percpu_counter_init(struct percpu_counter *fbc, s64 amount)
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return 0;
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}
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#define percpu_counter_init_irq percpu_counter_init
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static inline void percpu_counter_destroy(struct percpu_counter *fbc)
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{
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}
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@ -204,18 +204,6 @@ struct rcu_synchronize {
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extern void wakeme_after_rcu(struct rcu_head *head);
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#define synchronize_rcu_xxx(name, func) \
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void name(void) \
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{ \
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struct rcu_synchronize rcu; \
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\
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init_completion(&rcu.completion); \
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/* Will wake me after RCU finished. */ \
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func(&rcu.head, wakeme_after_rcu); \
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/* Wait for it. */ \
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wait_for_completion(&rcu.completion); \
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}
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/**
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* synchronize_sched - block until all CPUs have exited any non-preemptive
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* kernel code sequences.
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@ -27,7 +27,8 @@ swiotlb_init(void);
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extern void *swiotlb_alloc_boot(size_t bytes, unsigned long nslabs);
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extern void *swiotlb_alloc(unsigned order, unsigned long nslabs);
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extern dma_addr_t swiotlb_phys_to_bus(phys_addr_t address);
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extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
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phys_addr_t address);
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extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address);
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extern int swiotlb_arch_range_needs_mapping(void *ptr, size_t size);
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