v1 --> v2:
1. change the type of nr_ats_masters from atomic_t to int, and move its
ind/dec operation from arm_smmu_enable_ats()/arm_smmu_disable_ats() to
arm_smmu_attach_dev()/arm_smmu_detach_dev(), and protected by
"spin_lock_irqsave(&smmu_domain->devices_lock, flags);"
Zhen Lei (2):
iommu/arm-smmu-v3: don't add a master into smmu_domain before it's
ready
iommu/arm-smmu-v3: add nr_ats_masters for quickly check
drivers/iommu/arm-smmu-v3.c | 22 +++++++++++++++++-----
1 file changed, 17 insertions(+), 5 deletions(-)
--
1.8.3
