Re: [PATCH 0/3] iommu/iova: Add CPU hotplug handler to flush rcaches to core code

From: Joerg Roedel
Date: Wed Apr 07 2021 - 04:04:55 EST


On Mon, Mar 01, 2021 at 08:12:18PM +0800, John Garry wrote:
> 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(-)

Applied, thanks.