From: Jason Gunthorpe <jgg@nvidia.com>
To: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Gerd Bayer <gbayer@linux.ibm.com>,
Pierre Morel <pmorel@linux.ibm.com>,
linux-s390@vger.kernel.org, borntraeger@linux.ibm.com,
hca@linux.ibm.com, gor@linux.ibm.com,
gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com,
svens@linux.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 4/6] iommu/s390: Fix incorrect aperture check
Date: Mon, 24 Oct 2022 13:54:05 -0300 [thread overview]
Message-ID: <Y1bDLfK7df6XL8WP@nvidia.com> (raw)
In-Reply-To: <20221017124558.1386337-5-schnelle@linux.ibm.com>
On Mon, Oct 17, 2022 at 02:45:56PM +0200, Niklas Schnelle wrote:
> The domain->geometry.aperture_end specifies the last valid address treat
> it as such when checking if a DMA address is valid.
>
> Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
> ---
> v3->v4:
> - Make check robust against overflow (Jason)
I wish this value was called "last" but..
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2022-10-24 16:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-17 12:45 [PATCH v7 0/6] iommu/s390: Fixes related to attach and aperture handling Niklas Schnelle
2022-10-17 12:45 ` [PATCH v7 1/6] iommu/s390: Fix duplicate domain attachments Niklas Schnelle
2022-10-24 16:52 ` Jason Gunthorpe
2022-10-17 12:45 ` [PATCH v7 2/6] iommu/s390: Get rid of s390_domain_device Niklas Schnelle
2022-10-24 16:52 ` Jason Gunthorpe
2022-10-17 12:45 ` [PATCH v7 3/6] iommu/s390: Fix potential s390_domain aperture shrinking Niklas Schnelle
2022-10-24 15:02 ` Niklas Schnelle
2022-10-24 16:53 ` Jason Gunthorpe
2022-10-17 12:45 ` [PATCH v7 4/6] iommu/s390: Fix incorrect aperture check Niklas Schnelle
2022-10-24 16:54 ` Jason Gunthorpe [this message]
2022-10-17 12:45 ` [PATCH v7 5/6] iommu/s390: Fix incorrect pgsize_bitmap Niklas Schnelle
2022-10-17 12:45 ` [PATCH v7 6/6] iommu/s390: Implement map_pages()/unmap_pages() instead of map()/unmap() Niklas Schnelle
2022-10-24 16:59 ` Jason Gunthorpe
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