From: "Stephen Bates" <sbates@raithlin.com>
To: "Logan Gunthorpe" <logang@deltatee.com>,
"Christian König" <christian.koenig@amd.com>
Cc: Jens Axboe <axboe@kernel.dk>, Keith Busch <keith.busch@intel.com>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Alex Williamson <alex.williamson@redhat.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Bjorn Helgaas <helgaas@kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Max Gurtovoy <maxg@mellanox.com>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
Date: Thu, 10 May 2018 17:11:14 +0000 [thread overview]
Message-ID: <868B49CE-4F0E-4A48-BE78-12149F85F1A4@raithlin.com> (raw)
In-Reply-To: <f0101988-cf82-7ffb-2aca-d3b8d2f4b504@deltatee.com>
> Not to me. In the p2pdma code we specifically program DMA engines with
> the PCI bus address.
Ah yes of course. Brain fart on my part. We are not programming the P2PDMA initiator with an IOVA but with the PCI bus address...
> So regardless of whether we are using the IOMMU or
> not, the packets will be forwarded directly to the peer. If the ACS
> Redir bits are on they will be forced back to the RC by the switch and
> the transaction will fail. If we clear the ACS bits, the TLPs will go
> where we want and everything will work (but we lose the isolation of ACS).
Agreed.
> For EPs that support ATS, we should (but don't necessarily have to)
> program them with the IOVA address so they can go through the
> translation process which will allow P2P without disabling the ACS Redir
> bits -- provided the ACS direct translation bit is set. (And btw, if it
> is, then we lose the benefit of ACS protecting against malicious EPs).
> But, per above, the ATS transaction should involve only the IOVA address
> so the ACS bits not being set should not break ATS.
Well we would still have to clear some ACS bits but now we can clear only for translated addresses.
Stephen
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm
WARNING: multiple messages have this Message-ID (diff)
From: "Stephen Bates" <sbates@raithlin.com>
To: "Logan Gunthorpe" <logang@deltatee.com>,
"Christian König" <christian.koenig@amd.com>,
"Jerome Glisse" <jglisse@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Bjorn Helgaas <helgaas@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Keith Busch <keith.busch@intel.com>,
Sagi Grimberg <sagi@grimberg.me>,
Bjorn Helgaas <bhelgaas@google.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Max Gurtovoy <maxg@mellanox.com>,
Dan Williams <dan.j.williams@intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
Date: Thu, 10 May 2018 17:11:14 +0000 [thread overview]
Message-ID: <868B49CE-4F0E-4A48-BE78-12149F85F1A4@raithlin.com> (raw)
In-Reply-To: <f0101988-cf82-7ffb-2aca-d3b8d2f4b504@deltatee.com>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==
WARNING: multiple messages have this Message-ID (diff)
From: "Stephen Bates" <sbates-pv7U853sEMVWk0Htik3J/w@public.gmane.org>
To: "Logan Gunthorpe"
<logang-OTvnGxWRz7hWk0Htik3J/w@public.gmane.org>,
"Christian König" <christian.koenig-5C7GfCeVMHo@public.gmane.org>,
"Jerome Glisse" <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>,
Keith Busch <keith.busch-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org"
<linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Alex Williamson
<alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Jason Gunthorpe <jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Bjorn Helgaas <helgaas-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Benjamin Herrenschmidt
<benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>,
Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Max Gurtovoy <maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
Date: Thu, 10 May 2018 17:11:14 +0000 [thread overview]
Message-ID: <868B49CE-4F0E-4A48-BE78-12149F85F1A4@raithlin.com> (raw)
In-Reply-To: <f0101988-cf82-7ffb-2aca-d3b8d2f4b504-OTvnGxWRz7hWk0Htik3J/w@public.gmane.org>
> Not to me. In the p2pdma code we specifically program DMA engines with
> the PCI bus address.
Ah yes of course. Brain fart on my part. We are not programming the P2PDMA initiator with an IOVA but with the PCI bus address...
> So regardless of whether we are using the IOMMU or
> not, the packets will be forwarded directly to the peer. If the ACS
> Redir bits are on they will be forced back to the RC by the switch and
> the transaction will fail. If we clear the ACS bits, the TLPs will go
> where we want and everything will work (but we lose the isolation of ACS).
Agreed.
> For EPs that support ATS, we should (but don't necessarily have to)
> program them with the IOVA address so they can go through the
> translation process which will allow P2P without disabling the ACS Redir
> bits -- provided the ACS direct translation bit is set. (And btw, if it
> is, then we lose the benefit of ACS protecting against malicious EPs).
> But, per above, the ATS transaction should involve only the IOVA address
> so the ACS bits not being set should not break ATS.
Well we would still have to clear some ACS bits but now we can clear only for translated addresses.
Stephen
WARNING: multiple messages have this Message-ID (diff)
From: "Stephen Bates" <sbates@raithlin.com>
To: "Logan Gunthorpe" <logang@deltatee.com>,
"Christian König" <christian.koenig@amd.com>,
"Jerome Glisse" <jglisse@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Bjorn Helgaas <helgaas@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Keith Busch <keith.busch@intel.com>,
Sagi Grimberg <sagi@grimberg.me>,
Bjorn Helgaas <bhelgaas@google.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Max Gurtovoy <maxg@mellanox.com>,
Dan Williams <dan.j.williams@intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
Date: Thu, 10 May 2018 17:11:14 +0000 [thread overview]
Message-ID: <868B49CE-4F0E-4A48-BE78-12149F85F1A4@raithlin.com> (raw)
In-Reply-To: <f0101988-cf82-7ffb-2aca-d3b8d2f4b504@deltatee.com>
> Not to me. In the p2pdma code we specifically program DMA engines with
> the PCI bus address.
Ah yes of course. Brain fart on my part. We are not programming the P2PDMA initiator with an IOVA but with the PCI bus address...
> So regardless of whether we are using the IOMMU or
> not, the packets will be forwarded directly to the peer. If the ACS
> Redir bits are on they will be forced back to the RC by the switch and
> the transaction will fail. If we clear the ACS bits, the TLPs will go
> where we want and everything will work (but we lose the isolation of ACS).
Agreed.
> For EPs that support ATS, we should (but don't necessarily have to)
> program them with the IOVA address so they can go through the
> translation process which will allow P2P without disabling the ACS Redir
> bits -- provided the ACS direct translation bit is set. (And btw, if it
> is, then we lose the benefit of ACS protecting against malicious EPs).
> But, per above, the ATS transaction should involve only the IOVA address
> so the ACS bits not being set should not break ATS.
Well we would still have to clear some ACS bits but now we can clear only for translated addresses.
Stephen
WARNING: multiple messages have this Message-ID (diff)
From: sbates@raithlin.com (Stephen Bates)
Subject: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
Date: Thu, 10 May 2018 17:11:14 +0000 [thread overview]
Message-ID: <868B49CE-4F0E-4A48-BE78-12149F85F1A4@raithlin.com> (raw)
In-Reply-To: <f0101988-cf82-7ffb-2aca-d3b8d2f4b504@deltatee.com>
> Not to me. In the p2pdma code we specifically program DMA engines with
> the PCI bus address.
Ah yes of course. Brain fart on my part. We are not programming the P2PDMA initiator with an IOVA but with the PCI bus address...
> So regardless of whether we are using the IOMMU or
> not, the packets will be forwarded directly to the peer. If the ACS
> Redir bits are on they will be forced back to the RC by the switch and
> the transaction will fail. If we clear the ACS bits, the TLPs will go
> where we want and everything will work (but we lose the isolation of ACS).
Agreed.
> For EPs that support ATS, we should (but don't necessarily have to)
> program them with the IOVA address so they can go through the
> translation process which will allow P2P without disabling the ACS Redir
> bits -- provided the ACS direct translation bit is set. (And btw, if it
> is, then we lose the benefit of ACS protecting against malicious EPs).
> But, per above, the ATS transaction should involve only the IOVA address
> so the ACS bits not being set should not break ATS.
Well we would still have to clear some ACS bits but now we can clear only for translated addresses.
Stephen
next prev parent reply other threads:[~2018-05-10 17:11 UTC|newest]
Thread overview: 460+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-23 23:30 [PATCH v4 00/14] Copy Offload in NVMe Fabrics with P2P PCI Memory Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 01/14] PCI/P2PDMA: Support peer-to-peer memory Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-05-07 23:00 ` Bjorn Helgaas
2018-05-07 23:00 ` Bjorn Helgaas
2018-05-07 23:00 ` Bjorn Helgaas
2018-05-07 23:00 ` Bjorn Helgaas
2018-05-07 23:00 ` Bjorn Helgaas
2018-05-07 23:09 ` Logan Gunthorpe
2018-05-07 23:09 ` Logan Gunthorpe
2018-05-07 23:09 ` Logan Gunthorpe
2018-05-07 23:09 ` Logan Gunthorpe
2018-05-07 23:09 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 02/14] PCI/P2PDMA: Add sysfs group to display p2pmem stats Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 03/14] PCI/P2PDMA: Add PCI p2pmem dma mappings to adjust the bus offset Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-05-07 23:02 ` Bjorn Helgaas
2018-05-07 23:02 ` Bjorn Helgaas
2018-05-07 23:02 ` Bjorn Helgaas
2018-05-07 23:02 ` Bjorn Helgaas
2018-05-07 23:02 ` Bjorn Helgaas
2018-04-23 23:30 ` [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-24 3:33 ` Randy Dunlap
2018-04-24 3:33 ` Randy Dunlap
2018-04-24 3:33 ` Randy Dunlap
2018-04-24 3:33 ` Randy Dunlap
2018-05-07 23:13 ` Bjorn Helgaas
2018-05-07 23:13 ` Bjorn Helgaas
2018-05-07 23:13 ` Bjorn Helgaas
2018-05-07 23:13 ` Bjorn Helgaas
2018-05-07 23:13 ` Bjorn Helgaas
2018-05-08 7:17 ` Christian König
2018-05-08 7:17 ` Christian König
2018-05-08 7:17 ` Christian König
2018-05-08 7:17 ` Christian König
2018-05-08 7:17 ` Christian König
2018-05-08 14:25 ` Stephen Bates
2018-05-08 14:25 ` Stephen Bates
2018-05-08 14:25 ` Stephen Bates
2018-05-08 14:25 ` Stephen Bates
2018-05-08 14:25 ` Stephen Bates
2018-05-08 14:25 ` Stephen Bates
2018-05-08 16:37 ` Christian König
2018-05-08 16:37 ` Christian König
2018-05-08 16:37 ` Christian König
2018-05-08 16:37 ` Christian König
2018-05-08 16:37 ` Christian König
2018-05-08 16:27 ` Logan Gunthorpe
2018-05-08 16:27 ` Logan Gunthorpe
2018-05-08 16:27 ` Logan Gunthorpe
2018-05-08 16:27 ` Logan Gunthorpe
2018-05-08 16:50 ` Christian König
2018-05-08 16:50 ` Christian König
2018-05-08 16:50 ` Christian König
2018-05-08 16:50 ` Christian König
2018-05-08 19:13 ` Logan Gunthorpe
2018-05-08 19:13 ` Logan Gunthorpe
2018-05-08 19:13 ` Logan Gunthorpe
2018-05-08 19:13 ` Logan Gunthorpe
2018-05-08 19:34 ` Alex Williamson
2018-05-08 19:34 ` Alex Williamson
2018-05-08 19:34 ` Alex Williamson
2018-05-08 19:34 ` Alex Williamson
2018-05-08 19:45 ` Logan Gunthorpe
2018-05-08 19:45 ` Logan Gunthorpe
2018-05-08 19:45 ` Logan Gunthorpe
2018-05-08 19:45 ` Logan Gunthorpe
2018-05-08 20:13 ` Alex Williamson
2018-05-08 20:13 ` Alex Williamson
2018-05-08 20:13 ` Alex Williamson
2018-05-08 20:13 ` Alex Williamson
2018-05-08 20:19 ` Logan Gunthorpe
2018-05-08 20:19 ` Logan Gunthorpe
2018-05-08 20:19 ` Logan Gunthorpe
2018-05-08 20:19 ` Logan Gunthorpe
2018-05-08 20:43 ` Alex Williamson
2018-05-08 20:43 ` Alex Williamson
2018-05-08 20:43 ` Alex Williamson
2018-05-08 20:43 ` Alex Williamson
2018-05-08 20:49 ` Logan Gunthorpe
2018-05-08 20:49 ` Logan Gunthorpe
2018-05-08 20:49 ` Logan Gunthorpe
2018-05-08 20:49 ` Logan Gunthorpe
2018-05-08 21:26 ` Alex Williamson
2018-05-08 21:26 ` Alex Williamson
2018-05-08 21:26 ` Alex Williamson
2018-05-08 21:26 ` Alex Williamson
2018-05-08 21:42 ` Stephen Bates
2018-05-08 21:42 ` Stephen Bates
2018-05-08 21:42 ` Stephen Bates
2018-05-08 21:42 ` Stephen Bates
2018-05-08 21:42 ` Stephen Bates
2018-05-08 22:03 ` Alex Williamson
2018-05-08 22:03 ` Alex Williamson
2018-05-08 22:03 ` Alex Williamson
2018-05-08 22:03 ` Alex Williamson
2018-05-08 22:10 ` Logan Gunthorpe
2018-05-08 22:10 ` Logan Gunthorpe
2018-05-08 22:10 ` Logan Gunthorpe
2018-05-08 22:10 ` Logan Gunthorpe
2018-05-08 22:25 ` Stephen Bates
2018-05-08 22:25 ` Stephen Bates
2018-05-08 22:25 ` Stephen Bates
2018-05-08 22:25 ` Stephen Bates
2018-05-08 22:25 ` Stephen Bates
2018-05-08 23:11 ` Alex Williamson
2018-05-08 23:11 ` Alex Williamson
2018-05-08 23:11 ` Alex Williamson
2018-05-08 23:11 ` Alex Williamson
2018-05-08 23:31 ` Logan Gunthorpe
2018-05-08 23:31 ` Logan Gunthorpe
2018-05-08 23:31 ` Logan Gunthorpe
2018-05-08 23:31 ` Logan Gunthorpe
2018-05-09 0:17 ` Alex Williamson
2018-05-09 0:17 ` Alex Williamson
2018-05-09 0:17 ` Alex Williamson
2018-05-09 0:17 ` Alex Williamson
2018-05-08 22:32 ` Alex Williamson
2018-05-08 22:32 ` Alex Williamson
2018-05-08 22:32 ` Alex Williamson
2018-05-08 22:32 ` Alex Williamson
2018-05-08 23:00 ` Dan Williams
2018-05-08 23:00 ` Dan Williams
2018-05-08 23:00 ` Dan Williams
2018-05-08 23:00 ` Dan Williams
2018-05-08 23:15 ` Logan Gunthorpe
2018-05-08 23:15 ` Logan Gunthorpe
2018-05-08 23:15 ` Logan Gunthorpe
2018-05-08 23:15 ` Logan Gunthorpe
2018-05-09 12:38 ` Stephen Bates
2018-05-09 12:38 ` Stephen Bates
2018-05-09 12:38 ` Stephen Bates
2018-05-09 12:38 ` Stephen Bates
2018-05-09 12:38 ` Stephen Bates
2018-05-08 22:21 ` Don Dutile
2018-05-08 22:21 ` Don Dutile
2018-05-08 22:21 ` Don Dutile
2018-05-08 22:21 ` Don Dutile
2018-05-09 12:44 ` Stephen Bates
2018-05-09 12:44 ` Stephen Bates
2018-05-09 12:44 ` Stephen Bates
2018-05-09 12:44 ` Stephen Bates
2018-05-09 12:44 ` Stephen Bates
2018-05-09 12:44 ` Stephen Bates
2018-05-09 15:58 ` Don Dutile
2018-05-09 15:58 ` Don Dutile
2018-05-09 15:58 ` Don Dutile
2018-05-09 15:58 ` Don Dutile
2018-05-08 20:50 ` Jerome Glisse
2018-05-08 20:50 ` Jerome Glisse
2018-05-08 20:50 ` Jerome Glisse
2018-05-08 20:50 ` Jerome Glisse
2018-05-08 21:35 ` Stephen Bates
2018-05-08 21:35 ` Stephen Bates
2018-05-08 21:35 ` Stephen Bates
2018-05-08 21:35 ` Stephen Bates
2018-05-08 21:35 ` Stephen Bates
2018-05-08 21:35 ` Stephen Bates
2018-05-09 13:12 ` Stephen Bates
2018-05-09 13:12 ` Stephen Bates
2018-05-09 13:12 ` Stephen Bates
2018-05-09 13:12 ` Stephen Bates
2018-05-09 13:12 ` Stephen Bates
2018-05-09 13:40 ` Christian König
2018-05-09 13:40 ` Christian König
2018-05-09 13:40 ` Christian König
2018-05-09 13:40 ` Christian König
2018-05-09 13:40 ` Christian König
2018-05-09 15:41 ` Stephen Bates
2018-05-09 15:41 ` Stephen Bates
2018-05-09 15:41 ` Stephen Bates
2018-05-09 15:41 ` Stephen Bates
2018-05-09 15:41 ` Stephen Bates
2018-05-09 16:07 ` Jerome Glisse
2018-05-09 16:07 ` Jerome Glisse
2018-05-09 16:07 ` Jerome Glisse
2018-05-09 16:07 ` Jerome Glisse
2018-05-09 16:07 ` Jerome Glisse
2018-05-09 16:30 ` Stephen Bates
2018-05-09 16:30 ` Stephen Bates
2018-05-09 16:30 ` Stephen Bates
2018-05-09 16:30 ` Stephen Bates
2018-05-09 16:30 ` Stephen Bates
2018-05-09 17:49 ` Jerome Glisse
2018-05-09 17:49 ` Jerome Glisse
2018-05-09 17:49 ` Jerome Glisse
2018-05-09 17:49 ` Jerome Glisse
2018-05-09 17:49 ` Jerome Glisse
2018-05-10 14:20 ` Stephen Bates
2018-05-10 14:20 ` Stephen Bates
2018-05-10 14:20 ` Stephen Bates
2018-05-10 14:20 ` Stephen Bates
2018-05-10 14:20 ` Stephen Bates
2018-05-10 14:29 ` Christian König
2018-05-10 14:29 ` Christian König
2018-05-10 14:29 ` Christian König
2018-05-10 14:29 ` Christian König
2018-05-10 14:59 ` Jerome Glisse
2018-05-10 14:59 ` Jerome Glisse
2018-05-10 14:59 ` Jerome Glisse
2018-05-10 14:59 ` Jerome Glisse
2018-05-10 14:59 ` Jerome Glisse
2018-05-10 18:44 ` Stephen Bates
2018-05-10 18:44 ` Stephen Bates
2018-05-10 18:44 ` Stephen Bates
2018-05-10 18:44 ` Stephen Bates
2018-05-10 18:44 ` Stephen Bates
2018-05-10 18:44 ` Stephen Bates
2018-05-09 16:45 ` Logan Gunthorpe
2018-05-09 16:45 ` Logan Gunthorpe
2018-05-09 16:45 ` Logan Gunthorpe
2018-05-09 16:45 ` Logan Gunthorpe
2018-05-10 12:52 ` Christian König
2018-05-10 12:52 ` Christian König
2018-05-10 12:52 ` Christian König
2018-05-10 12:52 ` Christian König
2018-05-10 12:52 ` Christian König
2018-05-10 14:16 ` Stephen Bates
2018-05-10 14:16 ` Stephen Bates
2018-05-10 14:16 ` Stephen Bates
2018-05-10 14:16 ` Stephen Bates
2018-05-10 14:16 ` Stephen Bates
2018-05-10 14:41 ` Jerome Glisse
2018-05-10 14:41 ` Jerome Glisse
2018-05-10 14:41 ` Jerome Glisse
2018-05-10 14:41 ` Jerome Glisse
2018-05-10 14:41 ` Jerome Glisse
2018-05-10 18:41 ` Stephen Bates
2018-05-10 18:41 ` Stephen Bates
2018-05-10 18:41 ` Stephen Bates
2018-05-10 18:41 ` Stephen Bates
2018-05-10 18:41 ` Stephen Bates
2018-05-10 18:41 ` Stephen Bates
2018-05-10 18:59 ` Logan Gunthorpe
2018-05-10 18:59 ` Logan Gunthorpe
2018-05-10 18:59 ` Logan Gunthorpe
2018-05-10 18:59 ` Logan Gunthorpe
2018-05-10 19:10 ` Alex Williamson
2018-05-10 19:10 ` Alex Williamson
2018-05-10 19:10 ` Alex Williamson
2018-05-10 19:10 ` Alex Williamson
2018-05-10 19:10 ` Alex Williamson
2018-05-10 19:24 ` Jerome Glisse
2018-05-10 19:24 ` Jerome Glisse
2018-05-10 19:24 ` Jerome Glisse
2018-05-10 19:24 ` Jerome Glisse
2018-05-10 19:24 ` Jerome Glisse
2018-05-10 16:32 ` Logan Gunthorpe
2018-05-10 16:32 ` Logan Gunthorpe
2018-05-10 16:32 ` Logan Gunthorpe
2018-05-10 16:32 ` Logan Gunthorpe
2018-05-10 17:11 ` Stephen Bates [this message]
2018-05-10 17:11 ` Stephen Bates
2018-05-10 17:11 ` Stephen Bates
2018-05-10 17:11 ` Stephen Bates
2018-05-10 17:11 ` Stephen Bates
2018-05-10 17:15 ` Logan Gunthorpe
2018-05-10 17:15 ` Logan Gunthorpe
2018-05-10 17:15 ` Logan Gunthorpe
2018-05-10 17:15 ` Logan Gunthorpe
2018-05-11 8:52 ` Christian König
2018-05-11 8:52 ` Christian König
2018-05-11 8:52 ` Christian König
2018-05-11 8:52 ` Christian König
2018-05-11 15:48 ` Logan Gunthorpe
2018-05-11 15:48 ` Logan Gunthorpe
2018-05-11 15:48 ` Logan Gunthorpe
2018-05-11 15:48 ` Logan Gunthorpe
2018-05-11 21:50 ` Stephen Bates
2018-05-11 21:50 ` Stephen Bates
2018-05-11 21:50 ` Stephen Bates
2018-05-11 21:50 ` Stephen Bates
2018-05-11 21:50 ` Stephen Bates
2018-05-11 22:24 ` Stephen Bates
2018-05-11 22:24 ` Stephen Bates
2018-05-11 22:24 ` Stephen Bates
2018-05-11 22:24 ` Stephen Bates
2018-05-11 22:24 ` Stephen Bates
2018-05-11 22:24 ` Stephen Bates
2018-05-11 22:55 ` Logan Gunthorpe
2018-05-11 22:55 ` Logan Gunthorpe
2018-05-11 22:55 ` Logan Gunthorpe
2018-05-08 14:31 ` Dan Williams
2018-05-08 14:31 ` Dan Williams
2018-05-08 14:31 ` Dan Williams
2018-05-08 14:31 ` Dan Williams
2018-05-08 14:31 ` Dan Williams
2018-05-08 14:44 ` Stephen Bates
2018-05-08 14:44 ` Stephen Bates
2018-05-08 14:44 ` Stephen Bates
2018-05-08 14:44 ` Stephen Bates
2018-05-08 14:44 ` Stephen Bates
2018-05-08 14:44 ` Stephen Bates
2018-05-08 21:04 ` Don Dutile
2018-05-08 21:04 ` Don Dutile
2018-05-08 21:04 ` Don Dutile
2018-05-08 21:04 ` Don Dutile
2018-05-08 21:04 ` Don Dutile
2018-05-08 21:27 ` Stephen Bates
2018-05-08 21:27 ` Stephen Bates
2018-05-08 21:27 ` Stephen Bates
2018-05-08 21:27 ` Stephen Bates
2018-05-08 21:27 ` Stephen Bates
2018-05-08 21:27 ` Stephen Bates
2018-05-08 23:06 ` Don Dutile
2018-05-08 23:06 ` Don Dutile
2018-05-08 23:06 ` Don Dutile
2018-05-08 23:06 ` Don Dutile
2018-05-08 23:06 ` Don Dutile
2018-05-09 0:01 ` Alex Williamson
2018-05-09 0:01 ` Alex Williamson
2018-05-09 0:01 ` Alex Williamson
2018-05-09 0:01 ` Alex Williamson
2018-05-09 0:01 ` Alex Williamson
2018-05-09 12:35 ` Stephen Bates
2018-05-09 12:35 ` Stephen Bates
2018-05-09 12:35 ` Stephen Bates
2018-05-09 12:35 ` Stephen Bates
2018-05-09 12:35 ` Stephen Bates
2018-05-09 12:35 ` Stephen Bates
2018-05-09 14:44 ` Alex Williamson
2018-05-09 14:44 ` Alex Williamson
2018-05-09 14:44 ` Alex Williamson
2018-05-09 14:44 ` Alex Williamson
2018-05-09 14:44 ` Alex Williamson
2018-05-09 15:52 ` Don Dutile
2018-05-09 15:52 ` Don Dutile
2018-05-09 15:52 ` Don Dutile
2018-05-09 15:52 ` Don Dutile
2018-05-09 15:47 ` Don Dutile
2018-05-09 15:47 ` Don Dutile
2018-05-09 15:47 ` Don Dutile
2018-05-09 15:47 ` Don Dutile
2018-05-09 15:53 ` Don Dutile
2018-05-09 15:53 ` Don Dutile
2018-05-09 15:53 ` Don Dutile
2018-04-23 23:30 ` [PATCH v4 05/14] docs-rst: Add a new directory for PCI documentation Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 06/14] PCI/P2PDMA: Add P2P DMA driver writer's documentation Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-05-07 23:20 ` Bjorn Helgaas
2018-05-07 23:20 ` Bjorn Helgaas
2018-05-07 23:20 ` Bjorn Helgaas
2018-05-07 23:20 ` Bjorn Helgaas
2018-05-22 21:24 ` Randy Dunlap
2018-05-22 21:24 ` Randy Dunlap
2018-05-22 21:24 ` Randy Dunlap
2018-05-22 21:24 ` Randy Dunlap
2018-05-22 21:28 ` Logan Gunthorpe
2018-05-22 21:28 ` Logan Gunthorpe
2018-05-22 21:28 ` Logan Gunthorpe
2018-05-22 21:28 ` Logan Gunthorpe
2018-05-22 21:28 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 07/14] block: Introduce PCI P2P flags for request and request queue Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 08/14] IB/core: Ensure we map P2P memory correctly in rdma_rw_ctx_[init|destroy]() Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 09/14] nvme-pci: Use PCI p2pmem subsystem to manage the CMB Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 10/14] nvme-pci: Add support for P2P memory in requests Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 11/14] nvme-pci: Add a quirk for a pseudo CMB Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 12/14] nvmet: Introduce helper functions to allocate and free request SGLs Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 13/14] nvmet-rdma: Use new SGL alloc/free helper for requests Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` [PATCH v4 14/14] nvmet: Optionally use PCI P2P memory Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-04-23 23:30 ` Logan Gunthorpe
2018-05-02 11:51 ` [PATCH v4 00/14] Copy Offload in NVMe Fabrics with P2P PCI Memory Christian König
2018-05-02 11:51 ` Christian König
2018-05-02 11:51 ` Christian König
2018-05-02 11:51 ` Christian König
2018-05-02 15:56 ` Logan Gunthorpe
2018-05-02 15:56 ` Logan Gunthorpe
2018-05-02 15:56 ` Logan Gunthorpe
2018-05-02 15:56 ` Logan Gunthorpe
2018-05-03 9:05 ` Christian König
2018-05-03 9:05 ` Christian König
2018-05-03 9:05 ` Christian König
2018-05-03 9:05 ` Christian König
2018-05-03 15:59 ` Logan Gunthorpe
2018-05-03 15:59 ` Logan Gunthorpe
2018-05-03 15:59 ` Logan Gunthorpe
2018-05-03 15:59 ` Logan Gunthorpe
2018-05-03 17:29 ` Christian König
2018-05-03 17:29 ` Christian König
2018-05-03 17:29 ` Christian König
2018-05-03 17:29 ` Christian König
2018-05-03 18:43 ` Logan Gunthorpe
2018-05-03 18:43 ` Logan Gunthorpe
2018-05-03 18:43 ` Logan Gunthorpe
2018-05-03 18:43 ` Logan Gunthorpe
2018-05-04 14:27 ` Christian König
2018-05-04 14:27 ` Christian König
2018-05-04 14:27 ` Christian König
2018-05-04 14:27 ` Christian König
2018-05-04 15:52 ` Logan Gunthorpe
2018-05-04 15:52 ` Logan Gunthorpe
2018-05-04 15:52 ` Logan Gunthorpe
2018-05-04 15:52 ` Logan Gunthorpe
2018-05-07 23:23 ` Bjorn Helgaas
2018-05-07 23:23 ` Bjorn Helgaas
2018-05-07 23:23 ` Bjorn Helgaas
2018-05-07 23:23 ` Bjorn Helgaas
2018-05-07 23:23 ` Bjorn Helgaas
2018-05-07 23:34 ` Logan Gunthorpe
2018-05-07 23:34 ` Logan Gunthorpe
2018-05-07 23:34 ` Logan Gunthorpe
2018-05-07 23:34 ` Logan Gunthorpe
2018-05-08 16:57 ` Alex Williamson
2018-05-08 16:57 ` Alex Williamson
2018-05-08 16:57 ` Alex Williamson
2018-05-08 16:57 ` Alex Williamson
2018-05-08 19:14 ` Logan Gunthorpe
2018-05-08 19:14 ` Logan Gunthorpe
2018-05-08 19:14 ` Logan Gunthorpe
2018-05-08 19:14 ` Logan Gunthorpe
2018-05-08 21:25 ` Don Dutile
2018-05-08 21:25 ` Don Dutile
2018-05-08 21:25 ` Don Dutile
2018-05-08 21:25 ` Don Dutile
2018-05-08 21:40 ` Alex Williamson
2018-05-08 21:40 ` Alex Williamson
2018-05-08 21:40 ` Alex Williamson
2018-05-08 21:40 ` Alex Williamson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=868B49CE-4F0E-4A48-BE78-12149F85F1A4@raithlin.com \
--to=sbates@raithlin.com \
--cc=alex.williamson@redhat.com \
--cc=axboe@kernel.dk \
--cc=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=christian.koenig@amd.com \
--cc=hch@lst.de \
--cc=helgaas@kernel.org \
--cc=jgg@mellanox.com \
--cc=keith.busch@intel.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvdimm@lists.01.org \
--cc=linux-nvme@lists.infradead.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=logang@deltatee.com \
--cc=maxg@mellanox.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.