While messing with something completely different, I managed to trigger a number of RCU warnings, due to the lack of srcu locking in the ITS code. Andre partially addressed those last year[1], but there was some more left. [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2018-May/577056.html Marc Zyngier (2): KVM: arm/arm64: vgic-its: Take the srcu lock when writing to guest memory KVM: arm/arm64: vgic-its: Take the srcu lock when parsing the memslots arch/arm/include/asm/kvm_mmu.h | 11 +++++++++++ arch/arm64/include/asm/kvm_mmu.h | 11 +++++++++++ virt/kvm/arm/vgic/vgic-its.c | 21 ++++++++++++++------- 3 files changed, 36 insertions(+), 7 deletions(-) -- 2.20.1
