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

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Message-ID: <YG1noCU6pFQRC+yF@8bytes.org>
Date:   Wed, 7 Apr 2021 10:04:48 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     John Garry <john.garry@...wei.com>
Cc:     dwmw2@...radead.org, baolu.lu@...ux.intel.com, will@...nel.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com, robin.murphy@....com
Subject: Re: [PATCH 0/3] iommu/iova: Add CPU hotplug handler to flush rcaches
 to core code

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.