KVM: arm64: vgic-its: Return -ENXIO to invalid KVM_DEV_ARM_VGIC_GRP_CTRL attrs
authorDavid Woodhouse <dwmw@amazon.co.uk>
Mon, 23 Jun 2025 13:22:52 +0000 (15:22 +0200)
committerOliver Upton <oliver.upton@linux.dev>
Thu, 24 Jul 2025 06:33:52 +0000 (23:33 -0700)
commit4530256f3699a053f0b9dc677e231d570bbd0eea
treeae912b38ee1e5466957ce7144c05f73b2c05af53
parent86731a2a651e58953fc949573895f2fa6d456841
KVM: arm64: vgic-its: Return -ENXIO to invalid KVM_DEV_ARM_VGIC_GRP_CTRL attrs

A preliminary version of a hack to invoke unmap_all_vpes() from an ioctl
didn't work very well. We eventually determined this was because we were
invoking it on the wrong file descriptor, but not getting an error.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/bbbddd56135399baf699bc46ffb6e7f08d9f8c9f.camel@infradead.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
arch/arm64/kvm/vgic/vgic-its.c