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From: Joerg Roedel <joro@8bytes.org>
To: Filippo Sironi <sironi@amazon.de>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	David Woodhouse <dwmw@amazon.co.uk>,
	David Woodhouse <dwmw2@infradead.org>,
	Jacob Pan <jacob.jun.pan@linux.intel.com>
Subject: Re: [PATCH v2] iommu/vt-d: Don't be too aggressive when clearing one context entry
Date: Fri, 1 Sep 2017 11:31:07 +0200	[thread overview]
Message-ID: <20170901093107.dk5tt7jcgvbrbjpm@8bytes.org> (raw)
In-Reply-To: <1504169891-9480-1-git-send-email-sironi@amazon.de>

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.

      parent reply	other threads:[~2017-09-01  9:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-28 14:16 [PATCH] intel-iommu: Don't be too aggressive when clearing one context entry Filippo Sironi
2017-08-30 13:31 ` Joerg Roedel
2017-08-30 13:31   ` Joerg Roedel
2017-08-31  8:41   ` Sironi, Filippo
2017-08-31  8:41     ` Sironi, Filippo via iommu
2017-08-30 15:50 ` Jacob Pan
2017-08-30 15:50   ` Jacob Pan
2017-08-31  8:47   ` Sironi, Filippo
2017-08-31  8:58 ` [PATCH v2] iommu/vt-d: " Filippo Sironi
2017-08-31  8:58   ` Filippo Sironi via iommu
     [not found]   ` <1504169891-9480-1-git-send-email-sironi-ebkRAfMGSJGzQB+pC5nmwQ@public.gmane.org>
2017-08-31 10:21     ` Woodhouse, David via iommu
2017-09-01  9:31   ` Joerg Roedel [this message]

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