Re: [PATCH 3/9] KVM: arm64: vgic-v3: Fix error handling in vgic_v3_set_redist_base()

Hi Marc, On 12/28/20 4:35 PM, Marc Zyngier wrote: > Hi Eric, > > On Sat, 12 Dec 2020 18:50:04 +, > Eric Auger wrote: >> >> vgic_register_all_redist_iodevs may succeed while >> vgic_register_all_redist_iodevs fails. For example this can happen > > The same function cannot both fail and succe

Re: [PATCH 3/9] KVM: arm64: vgic-v3: Fix error handling in vgic_v3_set_redist_base()

Hi Eric, On Sat, 12 Dec 2020 18:50:04 +, Eric Auger wrote: > > vgic_register_all_redist_iodevs may succeed while > vgic_register_all_redist_iodevs fails. For example this can happen The same function cannot both fail and succeed ;-) Can you shed some light on what you had in mind? > while

[PATCH 3/9] KVM: arm64: vgic-v3: Fix error handling in vgic_v3_set_redist_base()

vgic_register_all_redist_iodevs may succeed while vgic_register_all_redist_iodevs fails. For example this can happen while adding a redistributor region overlapping a dist region. The failure only is detected on vgic_register_all_redist_iodevs when vgic_v3_check_base() gets called. In such a case,