From: Eric Auger <eric.auger@linaro.org>
To: eric.auger@st.com, eric.auger@linaro.org,
christoffer.dall@linaro.org, marc.zyngier@arm.com,
andre.przywara@arm.com, linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
alex.williamson@redhat.com, agraf@suse.de, gleb@kernel.org,
pbonzini@redhat.com
Cc: linux-kernel@vger.kernel.org, patches@linaro.org,
will.deacon@arm.com, a.motakis@virtualopensystems.com
Subject: [PATCH v2 1/4] KVM: arm/arm64: vgic: vgic_init_maps returns -ENODEV when no online vcpu
Date: Thu, 4 Dec 2014 10:48:01 +0100 [thread overview]
Message-ID: <1417686484-20828-2-git-send-email-eric.auger@linaro.org> (raw)
In-Reply-To: <1417686484-20828-1-git-send-email-eric.auger@linaro.org>
To be more explicit upon vgic initialization failure, -ENODEV is
returned by vgic_init_maps when no online vcpus can be found at
init.
Signed-off-by: Eric Auger <eric.auger@linaro.org>
---
virt/kvm/arm/vgic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index b76c38c..907ba0e 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1991,7 +1991,7 @@ static int vgic_init_maps(struct kvm *kvm)
nr_cpus = dist->nr_cpus = atomic_read(&kvm->online_vcpus);
if (!nr_cpus) /* No vcpus? Can't be good... */
- return -EINVAL;
+ return -ENODEV;
/*
* If nobody configured the number of interrupts, use the
--
1.9.1
next prev parent reply other threads:[~2014-12-04 9:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-04 9:48 [PATCH v2 0/4] VGIC early initialization initiated by user-space Eric Auger
2014-12-04 9:48 ` Eric Auger [this message]
2014-12-04 9:48 ` [PATCH v2 2/4] KVM: arm/arm64: vgic: add init entry to VGIC KVM device Eric Auger
2014-12-04 9:48 ` [PATCH v2 3/4] KVM: arm/arm64: check vgic_initialized before VCPU creation Eric Auger
2014-12-04 9:48 ` [PATCH v2 4/4] KVM: arm/arm64: vgic: check vgic_initialized in KVM_DEV_ARM_VGIC_GRP_ADDR Eric Auger
2014-12-04 10:54 ` [PATCH v2 0/4] VGIC early initialization initiated by user-space Christoffer Dall
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