The Intel IOMMU driver supports flushing the per-CPU rcaches when a CPU is offlined.
Let's move it to core code, so everyone can take advantage. Also correct a code comment. Based on v5.12-rc1. Tested on arm64 only. John Garry (3): iova: Add CPU hotplug handler to flush rcaches iommu/vt-d: Remove IOVA domain rcache flushing for CPU offlining iova: Correct comment for free_cpu_cached_iovas() drivers/iommu/intel/iommu.c | 31 ------------------------------- drivers/iommu/iova.c | 32 ++++++++++++++++++++++++++++++-- include/linux/cpuhotplug.h | 2 +- include/linux/iova.h | 1 + 4 files changed, 32 insertions(+), 34 deletions(-) -- 2.26.2
