Re: [PATCH v2] iommu/vt-d: Don't be too aggressive when clearing one context entry

From	Joerg Roedel <joro@8bytes.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] iommu/vt-d: Don't be too aggressive when clearing one context entry
Date	2017-09-01 11:40 +0200
Message-ID	<ukQAF-21R-1@gated-at.bofh.it> (permalink)
References	<ujt3s-6CP-9@gated-at.bofh.it> <uktE5-3Hh-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Aug 31, 2017 at 10:58:11AM +0200, Filippo Sironi wrote:
> Previously, we were invalidating context cache and IOTLB globally when
> clearing one context entry.  This is a tad too aggressive.
> Invalidate the context cache and IOTLB for the interested device only.
> 
> Signed-off-by: Filippo Sironi <sironi@amazon.de>
> Cc: David Woodhouse <dwmw@amazon.co.uk>
> Cc: David Woodhouse <dwmw2@infradead.org>
> Cc: Joerg Roedel <joro@8bytes.org>
> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Cc: iommu@lists.linux-foundation.org
> Cc: linux-kernel@vger.kernel.org
> ---
>  drivers/iommu/intel-iommu.c | 42 ++++++++++++++++++++++++------------------
>  1 file changed, 24 insertions(+), 18 deletions(-)

Applied, thanks.

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[PATCH] intel-iommu: Don't be too aggressive when clearing one context entry Filippo Sironi <sironi@amazon.de> - 2017-08-28 16:20 +0200
  Re: [PATCH] intel-iommu: Don't be too aggressive when clearing one  context entry Joerg Roedel <joro@8bytes.org> - 2017-08-30 15:40 +0200
    Re: [PATCH] intel-iommu: Don't be too aggressive when clearing one  context entry "Sironi, Filippo" <sironi@amazon.de> - 2017-08-31 10:50 +0200
  Re: [PATCH] intel-iommu: Don't be too aggressive when clearing one  context entry Jacob Pan <jacob.jun.pan@linux.intel.com> - 2017-08-30 17:50 +0200
    Re: [PATCH] intel-iommu: Don't be too aggressive when clearing one  context entry "Sironi, Filippo" <sironi@amazon.de> - 2017-08-31 10:50 +0200
  [PATCH v2] iommu/vt-d: Don't be too aggressive when clearing one context entry Filippo Sironi <sironi@amazon.de> - 2017-08-31 11:10 +0200
    Re: [PATCH v2] iommu/vt-d: Don't be too aggressive when clearing one  context entry Joerg Roedel <joro@8bytes.org> - 2017-09-01 11:40 +0200

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