From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Cc: gabriele.paoloni-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
john.garry-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
will.deacon-5wv7dgnIgG8@public.gmane.org,
shameerali.kolothum.thodi-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2 4/4] iommu/dma: Make PCI window reservation generic
Date: Wed, 22 Mar 2017 16:19:47 +0100 [thread overview]
Message-ID: <20170322151947.GE7315@8bytes.org> (raw)
In-Reply-To: <3876a855b7b5ba4684ac3e3af632b817d224c753.1489683129.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
On Thu, Mar 16, 2017 at 05:00:19PM +0000, Robin Murphy wrote:
> Now that we're applying the IOMMU API reserved regions to our IOVA
> domains, we shouldn't need to privately special-case PCI windows, or
> indeed anything else which isn't specific to our iommu-dma layer.
> However, since those aren't IOMMU-specific either, rather than start
> duplicating code into IOMMU drivers let's transform the existing
> function into an iommu_get_resv_regions() helper that they can share.
>
> Signed-off-by: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
> ---
>
> Notes:
> v2:
> - New
>
> drivers/iommu/arm-smmu-v3.c | 2 ++
> drivers/iommu/arm-smmu.c | 2 ++
> drivers/iommu/dma-iommu.c | 38 ++++++++++++++++++++++++++++----------
> include/linux/dma-iommu.h | 5 +++++
> 4 files changed, 37 insertions(+), 10 deletions(-)
Applied patches 2-4 to my arm/core branch, thanks.
prev parent reply other threads:[~2017-03-22 15:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 17:00 [PATCH v2 0/4] IOMMU reserved region tweaks Robin Murphy
[not found] ` <cover.1489683129.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2017-03-16 17:00 ` [PATCH v2 1/4] iommu: Disambiguate MSI region types Robin Murphy
[not found] ` <a56c76f7276a12120ecd0675be4c69de58aec8ff.1489683129.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2017-03-22 15:16 ` Joerg Roedel
2017-03-16 17:00 ` [PATCH v2 2/4] iommu/dma: Don't reserve PCI I/O windows Robin Murphy
2017-03-16 17:00 ` [PATCH v2 3/4] iommu/dma: Handle IOMMU API reserved regions Robin Murphy
2017-03-16 17:00 ` [PATCH v2 4/4] iommu/dma: Make PCI window reservation generic Robin Murphy
[not found] ` <3876a855b7b5ba4684ac3e3af632b817d224c753.1489683129.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2017-03-22 15:19 ` Joerg Roedel [this message]
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