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sched/swait: Rename to exclusive

Bladeren bron 
Since swait basically implemented exclusive waits only, make sure
the API reflects that.

  $ git grep -l -e "\<swake_up\>"
		-e "\<swait_event[^ (]*"
		-e "\<prepare_to_swait\>" | while read file;
    do
	sed -i -e 's/\<swake_up\>/&_one/g'
	       -e 's/\<swait_event[^ (]*/&_exclusive/g'
	       -e 's/\<prepare_to_swait\>/&_exclusive/g' $file;
    done

With a few manual touch-ups.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: bigeasy@linutronix.de
Cc: oleg@redhat.com
Cc: paulmck@linux.vnet.ibm.com
Cc: pbonzini@redhat.com
Link: https://lkml.kernel.org/r/20180612083909.261946548@infradead.org
This commit is contained in:
Peter Zijlstra
2018-06-12 10:34:52 +02:00
gecommit door Thomas Gleixner
bovenliggende 0abf17bc77
commit b3dae109fa
16 gewijzigde bestanden met toevoegingen van 48 en 48 verwijderingen
Download Patch-bestand Download Diff-bestand Expand all files Collapse all files

4
virt/kvm/arm/arm.c
Bestand weergeven

@@ -604,7 +604,7 @@ void kvm_arm_resume_guest(struct kvm *kvm)
kvm_for_each_vcpu(i, vcpu, kvm) {
vcpu->arch.pause = false;
swake_up(kvm_arch_vcpu_wq(vcpu));
swake_up_one(kvm_arch_vcpu_wq(vcpu));
}
}
@@ -612,7 +612,7 @@ static void vcpu_req_sleep(struct kvm_vcpu *vcpu)
{
struct swait_queue_head *wq = kvm_arch_vcpu_wq(vcpu);
swait_event_interruptible(*wq, ((!vcpu->arch.power_off) &&
swait_event_interruptible_exclusive(*wq, ((!vcpu->arch.power_off) &&
(!vcpu->arch.pause)));
if (vcpu->arch.power_off || vcpu->arch.pause) {

2
virt/kvm/arm/psci.c
Bestand weergeven

@@ -155,7 +155,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
smp_mb(); /* Make sure the above is visible */
wq = kvm_arch_vcpu_wq(vcpu);
swake_up(wq);
swake_up_one(wq);
return PSCI_RET_SUCCESS;
}

2
virt/kvm/async_pf.c
Bestand weergeven

@@ -107,7 +107,7 @@ static void async_pf_execute(struct work_struct *work)
trace_kvm_async_pf_completed(addr, gva);
if (swq_has_sleeper(&vcpu->wq))
swake_up(&vcpu->wq);
swake_up_one(&vcpu->wq);
mmput(mm);
kvm_put_kvm(vcpu->kvm);

4
virt/kvm/kvm_main.c
Bestand weergeven

@@ -2167,7 +2167,7 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
kvm_arch_vcpu_blocking(vcpu);
for (;;) {
prepare_to_swait(&vcpu->wq, &wait, TASK_INTERRUPTIBLE);
prepare_to_swait_exclusive(&vcpu->wq, &wait, TASK_INTERRUPTIBLE);
if (kvm_vcpu_check_block(vcpu) < 0)
break;
@@ -2209,7 +2209,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu)
wqp = kvm_arch_vcpu_wq(vcpu);
if (swq_has_sleeper(wqp)) {
swake_up(wqp);
swake_up_one(wqp);
++vcpu->stat.halt_wakeup;
return true;
}