From: Jason Gunthorpe <jgg@nvidia.com>
To: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Matthew Rosato <mjrosato@linux.ibm.com>,
Pierre Morel <pmorel@linux.ibm.com>,
iommu@lists.linux.dev, 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, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/5] iommu/s390: Get rid of s390_domain_device
Date: Thu, 29 Sep 2022 13:20:01 -0300 [thread overview]
Message-ID: <YzXFseFbiwZFSx9N@nvidia.com> (raw)
In-Reply-To: <20220929153302.3195115-3-schnelle@linux.ibm.com>
On Thu, Sep 29, 2022 at 05:32:59PM +0200, Niklas Schnelle wrote:
> The struct s390_domain_device serves the sole purpose as list entry for
> the devices list of a struct s390_domain. As it contains no additional
> information besides a list_head and a pointer to the struct zpci_dev we
> can simplify things and just thread the device list through struct
> zpci_dev directly. This removes the need to allocate during domain
> attach and gets rid of one level of indirection during mapping
> operations.
>
> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
> ---
> v2->v3:
> - Remove search in devices list when we have the pointer to the
> list item (Jason)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2022-09-29 16:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-29 15:32 [PATCH v3 0/5] iommu/s390: Fixes related to attach and aperture handling Niklas Schnelle
2022-09-29 15:32 ` [PATCH v3 1/5] iommu/s390: Fix duplicate domain attachments Niklas Schnelle
2022-09-29 16:10 ` Jason Gunthorpe
2022-09-29 15:32 ` [PATCH v3 2/5] iommu/s390: Get rid of s390_domain_device Niklas Schnelle
2022-09-29 16:20 ` Jason Gunthorpe [this message]
2022-09-29 15:33 ` [PATCH v3 3/5] iommu/s390: Fix potential s390_domain aperture shrinking Niklas Schnelle
2022-09-29 16:24 ` Jason Gunthorpe
2022-09-29 15:33 ` [PATCH v3 4/5] iommu/s390: Fix incorrect aperture check Niklas Schnelle
2022-09-29 15:58 ` Jason Gunthorpe
2022-09-30 8:01 ` Niklas Schnelle
2022-09-29 15:33 ` [PATCH v3 5/5] iommu/s390: Fix incorrect pgsize_bitmap Niklas Schnelle
2022-09-29 15:59 ` Jason Gunthorpe
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