From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 1/1] iommu/vt-d: Use real PASID for flush in caching mode
Date: Tue, 20 Mar 2018 13:43:48 -0500
Message-ID: <20180320184347.h46j2wuwlj73ciag@8bytes.org>
References: <1521174696-22495-1-git-send-email-baolu.lu@linux.intel.com>
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To: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
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On Fri, Mar 16, 2018 at 12:31:36PM +0800, Lu Baolu wrote:
> If caching mode is supported, the hardware will cache
> none-present or erroneous translation entries. Hence,
> software should explicitly invalidate the PASID cache
> after a PASID table entry becomes present. We should
> issue such invalidation with the PASID value that we
> have changed. PASID 0 is not reserved for this case.
> 
> Cc: Jacob Pan <jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
> Cc: Kevin Tian <kevin.tian-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Cc: Sankaran Rajesh <rajesh.sankaran-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Suggested-by: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Liu Yi L <yi.l.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
> ---
>  drivers/iommu/intel-svm.c | 16 ++++++----------
>  1 file changed, 6 insertions(+), 10 deletions(-)

Applied, thanks.