From: Joerg Roedel <joro@8bytes.org>
To: Peter Xu <peterx@redhat.com>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
Jason Wang <jasowang@redhat.com>,
Jerome Glisse <jglisse@redhat.com>
Subject: Re: [PATCH 1/2] iommu/vt-d: Remove change_pte notifier
Date: Wed, 30 Jan 2019 17:32:00 +0100 [thread overview]
Message-ID: <20190130163159.t2633rwpjbffjyvz@8bytes.org> (raw)
In-Reply-To: <20190130055758.3994-2-peterx@redhat.com>
On Wed, Jan 30, 2019 at 01:57:57PM +0800, Peter Xu wrote:
> The change_pte() interface is tailored for PFN updates, while the
> other notifier invalidate_range() should be enough for Intel IOMMU
> cache flushing. Actually we've done similar thing for AMD IOMMU
> already in 8301da53fbc1 ("iommu/amd: Remove change_pte mmu_notifier
> call-back", 2014-07-30) but the Intel IOMMU driver still have it.
>
> Signed-off-by: Peter Xu <peterx@redhat.com>
Applied to x86/vt-d, thanks.
next prev parent reply other threads:[~2019-01-30 16:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-30 5:57 [PATCH 0/2] Some MMU notifier cleanups for Intel/AMD IOMMU Peter Xu
2019-01-30 5:57 ` [PATCH 1/2] iommu/vt-d: Remove change_pte notifier Peter Xu
2019-01-30 16:32 ` Joerg Roedel [this message]
2019-01-30 5:57 ` [PATCH 2/2] iommu/amd: Remove clear_flush_young notifier Peter Xu
2019-01-30 12:27 ` Jean-Philippe Brucker
2019-01-31 7:59 ` Peter Xu
2019-01-31 12:25 ` Jean-Philippe Brucker
2019-02-01 3:51 ` Peter Xu
2019-02-01 11:46 ` Jean-Philippe Brucker
2019-02-02 7:08 ` Peter Xu
2019-01-30 16:31 ` Joerg Roedel
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