From: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
To: <pbonzini@redhat.com>, <rkrcmar@redhat.com>, <joro@8bytes.org>,
<bp@alien8.de>, <gleb@kernel.org>, <alex.williamson@redhat.com>
Cc: <kvm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<wei@redhat.com>, <sherry.hurwitz@amd.com>
Subject: [PART1 RFC v4 04/11] KVM: split kvm_vcpu_wake_up from kvm_vcpu_kick
Date: Thu, 7 Apr 2016 03:20:25 -0500 [thread overview]
Message-ID: <1460017232-17429-5-git-send-email-Suravee.Suthikulpanit@amd.com> (raw)
In-Reply-To: <1460017232-17429-1-git-send-email-Suravee.Suthikulpanit@amd.com>
From: Radim Krčmář <rkrcmar@redhat.com>
AVIC has a use for kvm_vcpu_wake_up.
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Tested-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
---
include/linux/kvm_host.h | 1 +
virt/kvm/kvm_main.c | 19 +++++++++++++------
2 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 5276fe0..673749d 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -651,6 +651,7 @@ void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn);
void kvm_vcpu_block(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu);
+void kvm_vcpu_wake_up(struct kvm_vcpu *vcpu);
void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
int kvm_vcpu_yield_to(struct kvm_vcpu *target);
void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 4fd482f..5bf20f8 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2071,13 +2071,8 @@ out:
EXPORT_SYMBOL_GPL(kvm_vcpu_block);
#ifndef CONFIG_S390
-/*
- * Kick a sleeping VCPU, or a guest VCPU in guest mode, into host kernel mode.
- */
-void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
+void kvm_vcpu_wake_up(struct kvm_vcpu *vcpu)
{
- int me;
- int cpu = vcpu->cpu;
struct swait_queue_head *wqp;
wqp = kvm_arch_vcpu_wq(vcpu);
@@ -2086,6 +2081,18 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
++vcpu->stat.halt_wakeup;
}
+}
+EXPORT_SYMBOL_GPL(kvm_vcpu_wake_up);
+
+/*
+ * Kick a sleeping VCPU, or a guest VCPU in guest mode, into host kernel mode.
+ */
+void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
+{
+ int me;
+ int cpu = vcpu->cpu;
+
+ kvm_vcpu_wake_up(vcpu);
me = get_cpu();
if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu))
if (kvm_arch_vcpu_should_kick(vcpu))
--
1.9.1
next prev parent reply other threads:[~2016-04-07 8:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-07 8:20 [PART1 RFC v4 00/11] KVM: x86: Introduce SVM AVIC support Suravee Suthikulpanit
2016-04-07 8:20 ` [PART1 RFC v4 01/11] KVM: x86: Misc LAPIC changes to expose helper functions Suravee Suthikulpanit
2016-04-11 20:34 ` Radim Krčmář
2016-04-18 19:57 ` Suravee Suthikulpanit
2016-04-18 20:29 ` Suravee Suthikulpanit
2016-04-07 8:20 ` [PART1 RFC v4 02/11] KVM: x86: Introducing kvm_x86_ops VM init/uninit hooks Suravee Suthikulpanit
2016-04-11 20:49 ` Radim Krčmář
2016-04-12 21:55 ` Paolo Bonzini
2016-04-18 22:01 ` Suravee Suthikulpanit
2016-04-18 20:40 ` Suravee Suthikulpanit
2016-04-07 8:20 ` [PART1 RFC v4 03/11] KVM: x86: Introducing kvm_x86_ops VCPU blocking/unblocking hooks Suravee Suthikulpanit
2016-04-07 8:20 ` Suravee Suthikulpanit [this message]
2016-04-07 8:20 ` [PART1 RFC v4 05/11] svm: Introduce new AVIC VMCB registers Suravee Suthikulpanit
2016-04-07 8:20 ` [PART1 RFC v4 06/11] KVM: x86: Detect and Initialize AVIC support Suravee Suthikulpanit
2016-04-11 20:48 ` Radim Krčmář
2016-04-12 21:54 ` Paolo Bonzini
2016-04-07 8:20 ` [PART1 RFC v4 07/11] svm: Add interrupt injection via AVIC Suravee Suthikulpanit
2016-04-11 20:52 ` Radim Krčmář
2016-04-07 8:20 ` [PART1 RFC v4 08/11] svm: Add VMEXIT handlers for AVIC Suravee Suthikulpanit
2016-04-12 16:22 ` Radim Krčmář
2016-04-12 22:29 ` Paolo Bonzini
2016-04-13 12:37 ` Radim Krčmář
2016-04-28 22:08 ` Suravee Suthikulanit
2016-04-29 14:56 ` Radim Krčmář
2016-04-07 8:20 ` [PART1 RFC v4 09/11] svm: Do not expose x2APIC when enable AVIC Suravee Suthikulpanit
2016-04-11 20:54 ` Radim Krčmář
2016-04-12 22:09 ` Paolo Bonzini
2016-04-07 8:20 ` [PART1 RFC v4 10/11] svm: Do not intercept CR8 " Suravee Suthikulpanit
2016-04-12 14:18 ` Radim Krčmář
2016-04-12 22:26 ` Paolo Bonzini
2016-04-07 8:20 ` [PART1 RFC v4 11/11] svm: Manage vcpu load/unload " Suravee Suthikulpanit
2016-04-12 14:34 ` Radim Krčmář
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