From: eric.auger@linaro.org (Eric Auger)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] KVM: arm: rename pause into power_off
Date: Mon, 6 Jul 2015 14:49:55 +0200 [thread overview]
Message-ID: <1436186996-22528-2-git-send-email-eric.auger@linaro.org> (raw)
In-Reply-To: <1436186996-22528-1-git-send-email-eric.auger@linaro.org>
The kvm_vcpu_arch pause field is renamed into power_off to prepare
for the introduction of a new pause field.
Signed-off-by: Eric Auger <eric.auger@linaro.org>
v4 -> v5:
- fix compilation issue on arm64 (add power_off field in kvm_host.h)
---
arch/arm/include/asm/kvm_host.h | 4 ++--
arch/arm/kvm/arm.c | 10 +++++-----
arch/arm/kvm/psci.c | 10 +++++-----
arch/arm64/include/asm/kvm_host.h | 4 ++--
4 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index e896d2c..304004d 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -129,8 +129,8 @@ struct kvm_vcpu_arch {
* here.
*/
- /* Don't run the guest on this vcpu */
- bool pause;
+ /* vcpu power-off state */
+ bool power_off;
/* IO related fields */
struct kvm_decode mmio_decode;
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index bcdf799..7537e68 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -475,7 +475,7 @@ static void vcpu_pause(struct kvm_vcpu *vcpu)
{
wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu);
- wait_event_interruptible(*wq, !vcpu->arch.pause);
+ wait_event_interruptible(*wq, !vcpu->arch.power_off);
}
static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu)
@@ -525,7 +525,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
update_vttbr(vcpu->kvm);
- if (vcpu->arch.pause)
+ if (vcpu->arch.power_off)
vcpu_pause(vcpu);
/*
@@ -766,12 +766,12 @@ static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu,
vcpu_reset_hcr(vcpu);
/*
- * Handle the "start in power-off" case by marking the VCPU as paused.
+ * Handle the "start in power-off" case.
*/
if (test_bit(KVM_ARM_VCPU_POWER_OFF, vcpu->arch.features))
- vcpu->arch.pause = true;
+ vcpu->arch.power_off = true;
else
- vcpu->arch.pause = false;
+ vcpu->arch.power_off = false;
return 0;
}
diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c
index 4b94b51..134971a 100644
--- a/arch/arm/kvm/psci.c
+++ b/arch/arm/kvm/psci.c
@@ -63,7 +63,7 @@ static unsigned long kvm_psci_vcpu_suspend(struct kvm_vcpu *vcpu)
static void kvm_psci_vcpu_off(struct kvm_vcpu *vcpu)
{
- vcpu->arch.pause = true;
+ vcpu->arch.power_off = true;
}
static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
@@ -87,7 +87,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
*/
if (!vcpu)
return PSCI_RET_INVALID_PARAMS;
- if (!vcpu->arch.pause) {
+ if (!vcpu->arch.power_off) {
if (kvm_psci_version(source_vcpu) != KVM_ARM_PSCI_0_1)
return PSCI_RET_ALREADY_ON;
else
@@ -115,7 +115,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
* the general puspose registers are undefined upon CPU_ON.
*/
*vcpu_reg(vcpu, 0) = context_id;
- vcpu->arch.pause = false;
+ vcpu->arch.power_off = false;
smp_mb(); /* Make sure the above is visible */
wq = kvm_arch_vcpu_wq(vcpu);
@@ -152,7 +152,7 @@ static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
kvm_for_each_vcpu(i, tmp, kvm) {
mpidr = kvm_vcpu_get_mpidr_aff(tmp);
if (((mpidr & target_affinity_mask) == target_affinity) &&
- !tmp->arch.pause) {
+ !tmp->arch.power_off) {
return PSCI_0_2_AFFINITY_LEVEL_ON;
}
}
@@ -175,7 +175,7 @@ static void kvm_prepare_system_event(struct kvm_vcpu *vcpu, u32 type)
* re-initialized.
*/
kvm_for_each_vcpu(i, tmp, vcpu->kvm) {
- tmp->arch.pause = true;
+ tmp->arch.power_off = true;
kvm_vcpu_kick(tmp);
}
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 2709db2..009da6b 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -122,8 +122,8 @@ struct kvm_vcpu_arch {
* here.
*/
- /* Don't run the guest */
- bool pause;
+ /* vcpu power-off state */
+ bool power_off;
/* IO related fields */
struct kvm_decode mmio_decode;
--
1.9.1
next prev parent reply other threads:[~2015-07-06 12:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 12:49 [PATCH 0/2] KVM: arm/arm64: Guest synchronous halt/resume Eric Auger
2015-07-06 12:49 ` Eric Auger [this message]
2015-07-07 13:36 ` [PATCH 1/2] KVM: arm: rename pause into power_off Andrew Jones
2015-07-07 14:08 ` Eric Auger
2015-07-18 9:09 ` Christoffer Dall
2015-08-07 12:36 ` Eric Auger
2015-07-06 12:49 ` [PATCH 2/2] kvm: arm/arm64: implement kvm_arm_[halt,resume]_guest Eric Auger
2015-07-07 13:41 ` [PATCH 2/2] kvm: arm/arm64: implement kvm_arm_[halt, resume]_guest Andrew Jones
2015-07-07 14:10 ` Eric Auger
2015-07-18 9:18 ` Christoffer Dall
2015-08-07 12:56 ` Eric Auger
2015-08-07 16:17 ` Eric Auger
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