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From: Eric Auger <eric.auger@redhat.com>
To: eric.auger.pro@gmail.com, eric.auger@redhat.com,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	kvmarm@lists.cs.columbia.edu, maz@kernel.org, drjones@redhat.com
Cc: alexandru.elisei@arm.com, james.morse@arm.com,
	julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com,
	shuah@kernel.org, pbonzini@redhat.com
Subject: [PATCH 6/9] docs: kvm: devices/arm-vgic-v3: enhance KVM_DEV_ARM_VGIC_CTRL_INIT doc
Date: Sat, 12 Dec 2020 19:50:07 +0100	[thread overview]
Message-ID: <20201212185010.26579-7-eric.auger@redhat.com> (raw)
In-Reply-To: <20201212185010.26579-1-eric.auger@redhat.com>

kvm_arch_vcpu_precreate() returns -EBUSY if the vgic is
already initialized. So let's document that KVM_DEV_ARM_VGIC_CTRL_INIT
must be called after all vcpu creations.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 Documentation/virt/kvm/devices/arm-vgic-v3.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/virt/kvm/devices/arm-vgic-v3.rst b/Documentation/virt/kvm/devices/arm-vgic-v3.rst
index 5dd3bff51978..322de6aebdec 100644
--- a/Documentation/virt/kvm/devices/arm-vgic-v3.rst
+++ b/Documentation/virt/kvm/devices/arm-vgic-v3.rst
@@ -228,7 +228,7 @@ Groups:
 
     KVM_DEV_ARM_VGIC_CTRL_INIT
       request the initialization of the VGIC, no additional parameter in
-      kvm_device_attr.addr.
+      kvm_device_attr.addr. Must be called after all vcpu creations.
     KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES
       save all LPI pending bits into guest RAM pending tables.
 
-- 
2.21.3


  parent reply	other threads:[~2020-12-12 18:53 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-12 18:50 [PATCH 0/9] KVM/ARM: Some vgic fixes and init sequence KVM selftests Eric Auger
2020-12-12 18:50 ` [PATCH 1/9] KVM: arm64: vgic-v3: Fix some error codes when setting RDIST base Eric Auger
2021-01-06 16:32   ` Alexandru Elisei
2021-01-14 10:02     ` Auger Eric
2020-12-12 18:50 ` [PATCH 2/9] KVM: arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION read Eric Auger
2021-01-06 17:12   ` Alexandru Elisei
2021-01-13 17:18     ` Auger Eric
2020-12-12 18:50 ` [PATCH 3/9] KVM: arm64: vgic-v3: Fix error handling in vgic_v3_set_redist_base() Eric Auger
2020-12-28 15:35   ` Marc Zyngier
2021-01-13 17:18     ` Auger Eric
2020-12-12 18:50 ` [PATCH 4/9] KVM: arm/arm64: vgic: Reset base address on kvm_vgic_dist_destroy() Eric Auger
2020-12-28 15:41   ` Marc Zyngier
2021-01-13 17:18     ` Auger Eric
2020-12-12 18:50 ` [PATCH 5/9] KVM: arm: move has_run_once after the map_resources Eric Auger
2021-01-12 14:55   ` Alexandru Elisei
2021-01-14 10:02     ` Auger Eric
2021-01-20 15:56       ` Alexandru Elisei
2021-03-12 17:27         ` Auger Eric
2020-12-12 18:50 ` Eric Auger [this message]
2021-01-12 15:39   ` [PATCH 6/9] docs: kvm: devices/arm-vgic-v3: enhance KVM_DEV_ARM_VGIC_CTRL_INIT doc Alexandru Elisei
2021-01-13 17:18     ` Auger Eric
2020-12-12 18:50 ` [PATCH 7/9] KVM: arm64: Simplify argument passing to vgic_uaccess_[read|write] Eric Auger
2021-01-12 16:04   ` Alexandru Elisei
2021-01-12 16:16     ` Alexandru Elisei
2021-01-13 17:18       ` Auger Eric
2020-12-12 18:50 ` [PATCH 8/9] KVM: arm64: vgic-v3: Expose GICR_TYPER.Last for userspace Eric Auger
2021-01-12 17:02   ` Alexandru Elisei
2021-01-14 10:16     ` Auger Eric
2021-01-20 16:13       ` Alexandru Elisei
2021-03-12 17:26         ` Auger Eric
2021-01-12 17:28   ` Alexandru Elisei
2021-01-12 17:48     ` Marc Zyngier
2020-12-12 18:50 ` [PATCH 9/9] KVM: selftests: aarch64/vgic-v3 init sequence tests Eric Auger

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