From: Jason Gunthorpe <jgg@nvidia.com>
To: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Gerd Bayer <gbayer@linux.ibm.com>,
iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
Will Deacon <will@kernel.org>,
Wenjia Zhang <wenjia@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,
Julian Ruess <julianr@linux.ibm.com>
Subject: Re: [PATCH v2 7/7] iommu/s390: flush queued IOVAs on RPCIT out of resource indication
Date: Fri, 2 Dec 2022 11:24:48 -0400 [thread overview]
Message-ID: <Y4oYwOnRpWhtwwww@nvidia.com> (raw)
In-Reply-To: <175d97e1a9d29d712f0334e37fc207a50c3ac5e7.camel@linux.ibm.com>
On Fri, Dec 02, 2022 at 04:12:50PM +0100, Niklas Schnelle wrote:
> https://git.kernel.org/pub/scm/linux/kernel/git/niks/linux.git/commit/?h=dma_iommu_v3&id=a2aecd821fe3c5e2549946a68d8b07e05b288a9b
This patch makes sense to me, if the sync-map is optimally a
hypervisor call and the hypervisor is allowed to fail it, then
propagating the failure seems necessary.
Jason
next prev parent reply other threads:[~2022-12-02 15:24 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-16 17:16 [PATCH v2 0/7] iommu/dma: s390 DMA API conversion and optimized IOTLB flushing Niklas Schnelle
2022-11-16 17:16 ` [PATCH v2 1/7] s390/ism: Set DMA coherent mask Niklas Schnelle
2022-11-16 17:16 ` [PATCH v2 2/7] s390/pci: prepare is_passed_through() for dma-iommu Niklas Schnelle
2022-11-16 17:16 ` [PATCH v2 3/7] s390/pci: Use dma-iommu layer Niklas Schnelle
2022-11-28 18:03 ` Robin Murphy
2022-12-19 15:17 ` Niklas Schnelle
2022-11-16 17:16 ` [PATCH v2 4/7] iommu: Let iommu.strict override ops->def_domain_type Niklas Schnelle
2022-11-17 1:55 ` Baolu Lu
2022-11-28 11:10 ` Niklas Schnelle
2022-11-28 13:00 ` Baolu Lu
2022-11-28 13:29 ` Jason Gunthorpe
2022-11-28 15:54 ` Niklas Schnelle
2022-11-28 16:35 ` Jason Gunthorpe
2022-11-28 21:01 ` Robin Murphy
2022-11-29 17:33 ` Jason Gunthorpe
2022-11-29 18:41 ` Robin Murphy
2022-11-29 20:09 ` Jason Gunthorpe
2022-11-30 1:28 ` Baolu Lu
2022-12-05 15:34 ` Niklas Schnelle
2022-12-06 23:09 ` Jason Gunthorpe
2022-12-07 13:18 ` Baolu Lu
2022-12-07 13:23 ` Jason Gunthorpe
2022-12-07 14:18 ` Robin Murphy
2022-12-07 14:30 ` Jason Gunthorpe
2022-11-28 16:56 ` Robin Murphy
2022-11-16 17:16 ` [PATCH v2 5/7] iommu/dma: Allow a single FQ in addition to per-CPU FQs Niklas Schnelle
2022-11-16 17:16 ` [PATCH v2 6/7] iommu/dma: Enable variable queue size and use larger single queue Niklas Schnelle
2022-11-16 17:16 ` [PATCH v2 7/7] iommu/s390: flush queued IOVAs on RPCIT out of resource indication Niklas Schnelle
2022-11-28 14:52 ` Robin Murphy
2022-11-29 12:00 ` Niklas Schnelle
2022-11-29 12:53 ` Robin Murphy
2022-11-29 14:40 ` Niklas Schnelle
2022-12-02 14:29 ` Niklas Schnelle
2022-12-02 14:42 ` Jason Gunthorpe
2022-12-02 15:12 ` Niklas Schnelle
2022-12-02 15:24 ` Jason Gunthorpe [this message]
2022-12-05 18:24 ` Robin Murphy
2022-12-06 10:13 ` Niklas Schnelle
2022-11-29 13:51 ` Matthew Rosato
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