From: Andrew Jones <drjones@redhat.com>
To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org
Cc: catalin.marinas@arm.com, christoffer.dall@linaro.org,
gleb@redhat.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, marc.zyngier@arm.com,
pbonzini@redhat.com, linux@arm.linux.org.uk, will.deacon@arm.com
Subject: [PATCH 1/3] arm: kvm: clamp NR_VCPUS to MAX_VCPUS
Date: Sat, 14 Sep 2013 14:10:54 +0200 [thread overview]
Message-ID: <1379160656-28050-2-git-send-email-drjones@redhat.com> (raw)
In-Reply-To: <1379160656-28050-1-git-send-email-drjones@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
---
arch/arm/kvm/arm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 741f66a2edbd7..9ebf8ac3a12ff 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -201,7 +201,7 @@ int kvm_dev_ioctl_check_extension(long ext)
r = 1;
break;
case KVM_CAP_NR_VCPUS:
- r = num_online_cpus();
+ r = min(num_online_cpus(), KVM_MAX_VCPUS);
break;
case KVM_CAP_MAX_VCPUS:
r = KVM_MAX_VCPUS;
--
1.8.1.4
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Jones <drjones@redhat.com>
To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org
Cc: linux@arm.linux.org.uk, gleb@redhat.com, marc.zyngier@arm.com,
catalin.marinas@arm.com, will.deacon@arm.com,
linux-kernel@vger.kernel.org, christoffer.dall@linaro.org,
pbonzini@redhat.com, linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] arm: kvm: clamp NR_VCPUS to MAX_VCPUS
Date: Sat, 14 Sep 2013 14:10:54 +0200 [thread overview]
Message-ID: <1379160656-28050-2-git-send-email-drjones@redhat.com> (raw)
In-Reply-To: <1379160656-28050-1-git-send-email-drjones@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
---
arch/arm/kvm/arm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 741f66a2edbd7..9ebf8ac3a12ff 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -201,7 +201,7 @@ int kvm_dev_ioctl_check_extension(long ext)
r = 1;
break;
case KVM_CAP_NR_VCPUS:
- r = num_online_cpus();
+ r = min(num_online_cpus(), KVM_MAX_VCPUS);
break;
case KVM_CAP_MAX_VCPUS:
r = KVM_MAX_VCPUS;
--
1.8.1.4
WARNING: multiple messages have this Message-ID (diff)
From: drjones@redhat.com (Andrew Jones)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] arm: kvm: clamp NR_VCPUS to MAX_VCPUS
Date: Sat, 14 Sep 2013 14:10:54 +0200 [thread overview]
Message-ID: <1379160656-28050-2-git-send-email-drjones@redhat.com> (raw)
In-Reply-To: <1379160656-28050-1-git-send-email-drjones@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
---
arch/arm/kvm/arm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 741f66a2edbd7..9ebf8ac3a12ff 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -201,7 +201,7 @@ int kvm_dev_ioctl_check_extension(long ext)
r = 1;
break;
case KVM_CAP_NR_VCPUS:
- r = num_online_cpus();
+ r = min(num_online_cpus(), KVM_MAX_VCPUS);
break;
case KVM_CAP_MAX_VCPUS:
r = KVM_MAX_VCPUS;
--
1.8.1.4
next prev parent reply other threads:[~2013-09-14 12:11 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-14 12:10 [PATCH 0/3] KVM_MAX_VCPUS related changes Andrew Jones
2013-09-14 12:10 ` Andrew Jones
2013-09-14 12:10 ` Andrew Jones
2013-09-14 12:10 ` Andrew Jones [this message]
2013-09-14 12:10 ` [PATCH 1/3] arm: kvm: clamp NR_VCPUS to MAX_VCPUS Andrew Jones
2013-09-14 12:10 ` Andrew Jones
2013-09-14 12:14 ` Alexander Graf
2013-09-14 12:14 ` Alexander Graf
2013-09-14 12:14 ` Alexander Graf
2013-09-14 12:22 ` Marc Zyngier
2013-09-14 12:22 ` Marc Zyngier
2013-09-14 12:23 ` Andrew Jones
2013-09-14 12:23 ` Andrew Jones
2013-09-14 12:23 ` Andrew Jones
2013-09-14 12:10 ` [PATCH 2/3] arm32: kvm: rename CONFIG_KVM_ARM_MAX_VCPUS Andrew Jones
2013-09-14 12:10 ` Andrew Jones
2013-09-14 12:10 ` Andrew Jones
2013-09-15 9:30 ` Gleb Natapov
2013-09-15 9:30 ` Gleb Natapov
2013-09-15 9:30 ` Gleb Natapov
2013-09-16 8:09 ` Marc Zyngier
2013-09-16 8:09 ` Marc Zyngier
2013-09-16 8:09 ` Marc Zyngier
2013-09-16 8:32 ` Gleb Natapov
2013-09-16 8:32 ` Gleb Natapov
2013-09-16 8:32 ` Gleb Natapov
2013-09-16 8:49 ` Marc Zyngier
2013-09-16 8:49 ` Marc Zyngier
2013-09-16 8:49 ` Marc Zyngier
2013-09-17 21:42 ` Christoffer Dall
2013-09-17 21:42 ` Christoffer Dall
2013-09-24 14:09 ` [PATCH v2] " Andrew Jones
2013-09-24 14:09 ` Andrew Jones
2013-09-24 14:09 ` Andrew Jones
2013-09-25 19:31 ` Christoffer Dall
2013-09-25 19:31 ` Christoffer Dall
2013-09-26 7:54 ` Andrew Jones
2013-09-26 7:54 ` Andrew Jones
2013-09-26 7:54 ` Andrew Jones
2013-09-14 12:10 ` [PATCH 3/3] aarch64: kvm: introduce CONFIG_KVM_MAX_VCPUS Andrew Jones
2013-09-14 12:10 ` Andrew Jones
2013-09-17 21:34 ` Christoffer Dall
2013-09-17 21:34 ` Christoffer Dall
2013-09-18 6:21 ` Gleb Natapov
2013-09-18 6:21 ` Gleb Natapov
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