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| author |   David S. Miller <davem@davemloft.net> | 2019-03-04 13:26:15 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-03-04 13:26:15 -0800 |
| commit | 18a4d8bf250a33c015955f0dec27259780ef6448 (patch) | |
| tree | 3e380812ac047fef70c0da52ba74705ee62b7130 /include | |
| parent | net/sched: avoid unused-label warning (diff) | |
| parent | qmi_wwan: Add support for Quectel EG12/EM12 (diff) | |
| download | wireguard-linux-18a4d8bf250a33c015955f0dec27259780ef6448.tar.xz wireguard-linux-18a4d8bf250a33c015955f0dec27259780ef6448.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/atalk.h | 2 | ||||
| -rw-r--r-- | include/linux/sched.h | 6 | ||||
| -rw-r--r-- | include/net/sch_generic.h | 31 |
3 files changed, 14 insertions, 25 deletions
diff --git a/include/linux/atalk.h b/include/linux/atalk.h index 23f805562f4e..5a90f28d5ff2 100644 --- a/include/linux/atalk.h +++ b/include/linux/atalk.h @@ -158,7 +158,7 @@ extern int sysctl_aarp_retransmit_limit; extern int sysctl_aarp_resolve_time; #ifdef CONFIG_SYSCTL -extern void atalk_register_sysctl(void); +extern int atalk_register_sysctl(void); extern void atalk_unregister_sysctl(void); #else #define atalk_register_sysctl() do { } while(0) diff --git a/include/linux/sched.h b/include/linux/sched.h index bba3afb4e9bf..f9b43c989577 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -739,12 +739,6 @@ struct task_struct { unsigned use_memdelay:1; #endif - /* - * May usercopy functions fault on kernel addresses? - * This is not just a single bit because this can potentially nest. - */ - unsigned int kernel_uaccess_faults_ok; - unsigned long atomic_flags; /* Flags requiring atomic access. */ struct restart_block restart_block; diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index e50b729f8691..31284c078d06 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -52,7 +52,10 @@ struct qdisc_size_table { struct qdisc_skb_head { struct sk_buff *head; struct sk_buff *tail; - __u32 qlen; + union { + u32 qlen; + atomic_t atomic_qlen; + }; spinlock_t lock; }; @@ -466,27 +469,19 @@ static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz) BUILD_BUG_ON(sizeof(qcb->data) < sz); } -static inline int qdisc_qlen_cpu(const struct Qdisc *q) -{ - return this_cpu_ptr(q->cpu_qstats)->qlen; -} - static inline int qdisc_qlen(const struct Qdisc *q) { return q->q.qlen; } -static inline int qdisc_qlen_sum(const struct Qdisc *q) +static inline u32 qdisc_qlen_sum(const struct Qdisc *q) { - __u32 qlen = q->qstats.qlen; - int i; + u32 qlen = q->qstats.qlen; - if (q->flags & TCQ_F_NOLOCK) { - for_each_possible_cpu(i) - qlen += per_cpu_ptr(q->cpu_qstats, i)->qlen; - } else { + if (q->flags & TCQ_F_NOLOCK) + qlen += atomic_read(&q->q.atomic_qlen); + else qlen += q->q.qlen; - } return qlen; } @@ -882,14 +877,14 @@ static inline void qdisc_qstats_cpu_backlog_inc(struct Qdisc *sch, this_cpu_add(sch->cpu_qstats->backlog, qdisc_pkt_len(skb)); } -static inline void qdisc_qstats_cpu_qlen_inc(struct Qdisc *sch) +static inline void qdisc_qstats_atomic_qlen_inc(struct Qdisc *sch) { - this_cpu_inc(sch->cpu_qstats->qlen); + atomic_inc(&sch->q.atomic_qlen); } -static inline void qdisc_qstats_cpu_qlen_dec(struct Qdisc *sch) +static inline void qdisc_qstats_atomic_qlen_dec(struct Qdisc *sch) { - this_cpu_dec(sch->cpu_qstats->qlen); + atomic_dec(&sch->q.atomic_qlen); } static inline void qdisc_qstats_cpu_requeues_inc(struct Qdisc *sch) |