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Linux_SDK_V1.2.1

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Signed-off-by: thead_admin <occ_thead@service.alibaba.com>
This commit is contained in:
thead_admin
2023-08-07 11:23:02 +08:00
committed by Han Gao
parent a26b2d282c
commit afef388b8e
84 changed files with 7359 additions and 634 deletions
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2
kernel/locking/qspinlock.c
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@@ -94,7 +94,7 @@ struct qnode {
* progress.
*/
#ifndef _Q_PENDING_LOOPS
#define _Q_PENDING_LOOPS 1
#define _Q_PENDING_LOOPS 9
#endif
/*

10
kernel/rcu/tree_plugin.h
View File

@@ -435,7 +435,7 @@ static bool rcu_preempt_has_tasks(struct rcu_node *rnp)
* be quite short, for example, in the case of the call from
* rcu_read_unlock_special().
*/
static void
static notrace void
rcu_preempt_deferred_qs_irqrestore(struct task_struct *t, unsigned long flags)
{
bool empty_exp;
@@ -556,7 +556,7 @@ rcu_preempt_deferred_qs_irqrestore(struct task_struct *t, unsigned long flags)
* is disabled. This function cannot be expected to understand these
* nuances, so the caller must handle them.
*/
static bool rcu_preempt_need_deferred_qs(struct task_struct *t)
static notrace bool rcu_preempt_need_deferred_qs(struct task_struct *t)
{
return (__this_cpu_read(rcu_data.exp_deferred_qs) ||
READ_ONCE(t->rcu_read_unlock_special.s)) &&
@@ -570,7 +570,7 @@ static bool rcu_preempt_need_deferred_qs(struct task_struct *t)
* evaluate safety in terms of interrupt, softirq, and preemption
* disabling.
*/
static void rcu_preempt_deferred_qs(struct task_struct *t)
static notrace void rcu_preempt_deferred_qs(struct task_struct *t)
{
unsigned long flags;
@@ -897,11 +897,11 @@ static bool rcu_preempt_has_tasks(struct rcu_node *rnp)
* Because there is no preemptible RCU, there can be no deferred quiescent
* states.
*/
static bool rcu_preempt_need_deferred_qs(struct task_struct *t)
static notrace bool rcu_preempt_need_deferred_qs(struct task_struct *t)
{
return false;
}
static void rcu_preempt_deferred_qs(struct task_struct *t) { }
static notrace void rcu_preempt_deferred_qs(struct task_struct *t) { }
/*
* Because there is no preemptible RCU, there can be no readers blocked,