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authorGavin Shan <gshan@redhat.com>2023-01-27 07:54:48 +0800
committerMarc Zyngier <maz@kernel.org>2023-01-29 18:46:11 +0000
commita23eaf9368aafa4defcc8904b20391b6ea07bb1e (patch)
tree1210434f2f7ad9a01966d8275afa5b4f68cc99d1 /include/kvm
parentef3691683d7bfd0a2acf48812e4ffe894f10bfa8 (diff)
KVM: arm64: Add helper vgic_write_guest_lock()
Currently, the unknown no-running-vcpu sites are reported when a dirty page is tracked by mark_page_dirty_in_slot(). Until now, the only known no-running-vcpu site is saving vgic/its tables through KVM_DEV_ARM_{VGIC_GRP_CTRL, ITS_SAVE_TABLES} command on KVM device "kvm-arm-vgic-its". Unfortunately, there are more unknown sites to be handled and no-running-vcpu context will be allowed in these sites: (1) KVM_DEV_ARM_{VGIC_GRP_CTRL, ITS_RESTORE_TABLES} command on KVM device "kvm-arm-vgic-its" to restore vgic/its tables. The vgic3 LPI pending status could be restored. (2) Save vgic3 pending table through KVM_DEV_ARM_{VGIC_GRP_CTRL, VGIC_SAVE_PENDING_TABLES} command on KVM device "kvm-arm-vgic-v3". In order to handle those unknown cases, we need a unified helper vgic_write_guest_lock(). struct vgic_dist::save_its_tables_in_progress is also renamed to struct vgic_dist::save_tables_in_progress. No functional change intended. Suggested-by: Oliver Upton <oliver.upton@linux.dev> Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20230126235451.469087-3-gshan@redhat.com
Diffstat (limited to 'include/kvm')
-rw-r--r--include/kvm/arm_vgic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 9270cd87da3f..6470f67e63c4 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -263,7 +263,7 @@ struct vgic_dist {
struct vgic_io_device dist_iodev;
bool has_its;
- bool save_its_tables_in_progress;
+ bool table_write_in_progress;
/*
* Contains the attributes and gpa of the LPI configuration table.