From: Tomasz Nowicki <tnowicki@caviumnetworks.com>
To: Eric Auger <eric.auger@redhat.com>, <eric.auger.pro@gmail.com>,
<christoffer.dall@linaro.org>, <marc.zyngier@arm.com>,
<robin.murphy@arm.com>, <alex.williamson@redhat.com>,
<will.deacon@arm.com>, <joro@8bytes.org>, <tglx@linutronix.de>,
<jason@lakedaemon.net>, <linux-arm-kernel@lists.infradead.org>
Cc: <drjones@redhat.com>, <kvm@vger.kernel.org>,
<punit.agrawal@arm.com>, <linux-kernel@vger.kernel.org>,
<geethasowjanya.akula@gmail.com>, <diana.craciun@nxp.com>,
<iommu@lists.linux-foundation.org>,
<pranav.sawargaonkar@gmail.com>, <bharat.bhushan@nxp.com>,
<shankerd@codeaurora.org>, <gpkulkarni@gmail.com>
Subject: Re: [PATCH v8 05/18] iommu: Only map direct mapped regions
Date: Tue, 17 Jan 2017 13:13:18 +0100 [thread overview]
Message-ID: <a9618d26-44a8-3453-8b98-f5c46b2e8fa6@caviumnetworks.com> (raw)
In-Reply-To: <1484127714-3263-6-git-send-email-eric.auger@redhat.com>
On 11.01.2017 10:41, Eric Auger wrote:
> As we introduced new reserved region types which do not require
> mapping, let's make sure we only map direct mapped regions.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
Thanks,
Tomasz
>
> ---
>
> v3 -> v4:
> - use region's type and reword commit message and title
> ---
> drivers/iommu/iommu.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index 927878d..41c1906 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -343,6 +343,9 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group,
> start = ALIGN(entry->start, pg_size);
> end = ALIGN(entry->start + entry->length, pg_size);
>
> + if (entry->type != IOMMU_RESV_DIRECT)
> + continue;
> +
> for (addr = start; addr < end; addr += pg_size) {
> phys_addr_t phys_addr;
>
>
next prev parent reply other threads:[~2017-01-17 12:29 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 9:41 [PATCH v8 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Eric Auger
2017-01-11 9:41 ` [PATCH v8 01/18] iommu/dma: Allow MSI-only cookies Eric Auger
2017-01-17 11:59 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 02/18] iommu: Rename iommu_dm_regions into iommu_resv_regions Eric Auger
2017-01-17 12:08 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 03/18] iommu: Add a new type field in iommu_resv_region Eric Auger
2017-01-11 9:41 ` [PATCH v8 04/18] iommu: iommu_alloc_resv_region Eric Auger
2017-01-17 12:12 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 05/18] iommu: Only map direct mapped regions Eric Auger
2017-01-17 12:13 ` Tomasz Nowicki [this message]
2017-01-11 9:41 ` [PATCH v8 06/18] iommu: iommu_get_group_resv_regions Eric Auger
2017-01-17 12:14 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 07/18] iommu: Implement reserved_regions iommu-group sysfs file Eric Auger
2017-01-11 9:41 ` [PATCH v8 08/18] iommu/vt-d: Implement reserved region get/put callbacks Eric Auger
2017-01-11 9:41 ` [PATCH v8 09/18] iommu/amd: Declare MSI and HT regions as reserved IOVA regions Eric Auger
2017-01-11 9:41 ` [PATCH v8 10/18] iommu/arm-smmu: Implement reserved region get/put callbacks Eric Auger
2017-01-17 13:20 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 11/18] iommu/arm-smmu-v3: " Eric Auger
2017-01-17 14:13 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 12/18] irqdomain: Add irq domain MSI and MSI_REMAP flags Eric Auger
2017-01-18 8:35 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG_MSI on MSI domain creation Eric Auger
2017-01-18 8:36 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 14/18] irqdomain: irq_domain_check_msi_remap Eric Auger
2017-01-17 13:40 ` Tomasz Nowicki
2017-01-17 13:53 ` Auger Eric
2017-01-17 14:06 ` Tomasz Nowicki
2017-01-18 8:40 ` Tomasz Nowicki
2017-01-11 9:41 ` [PATCH v8 15/18] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP Eric Auger
2017-01-11 9:41 ` [PATCH v8 16/18] vfio/type1: Allow transparent MSI IOVA allocation Eric Auger
2017-01-13 23:04 ` Alex Williamson
2017-01-11 9:41 ` [PATCH v8 17/18] vfio/type1: Check MSI remapping at irq domain level Eric Auger
2017-01-13 23:04 ` Alex Williamson
2017-01-11 9:41 ` [PATCH v8 18/18] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP anymore Eric Auger
2017-01-18 11:46 ` Tomasz Nowicki
2017-01-12 3:59 ` [PATCH v8 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Bharat Bhushan
2017-01-12 7:40 ` Auger Eric
2017-01-13 13:59 ` Tomasz Nowicki
2017-01-16 9:07 ` Auger Eric
2017-01-18 13:02 ` Auger Eric
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