From: Christoph Hellwig <hch@lst.de>
To: Jon Derrick <jonathan.derrick@intel.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Andy Shevchenko <andriy.shevchenko@intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Pawel Baldysiak <pawel.baldysiak@intel.com>,
Sinan Kaya <okaya@kernel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Keith Busch <kbusch@kernel.org>,
Alexandru Gagniuc <mr.nuke.me@gmail.com>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [RFC 0/9] PCIe Hotplug Slot Emulation driver
Date: Mon, 10 Feb 2020 08:01:15 +0100 [thread overview]
Message-ID: <20200210070115.GA7748@lst.de> (raw)
In-Reply-To: <1581120007-5280-1-git-send-email-jonathan.derrick@intel.com>
On Fri, Feb 07, 2020 at 04:59:58PM -0700, Jon Derrick wrote:
> This set adds an emulation driver for PCIe Hotplug. There may be platforms with
> specific configurations that can support hotplug but don't provide the logical
> slot hotplug hardware. For instance, the platform may use an
> electrically-tolerant interposer between the slot and the device.
The code seems like one giant hack to me. What is the real life
use case for this? Another Intel chipset fuckup like vmd or the ahci
remapping?
next prev parent reply other threads:[~2020-02-10 7:01 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-07 23:59 [RFC 0/9] PCIe Hotplug Slot Emulation driver Jon Derrick
2020-02-07 23:59 ` [RFC 1/9] PCI: pci-bridge-emul: Update PCIe register behaviors Jon Derrick
2020-02-08 9:55 ` Andy Shevchenko
2020-03-28 21:42 ` Bjorn Helgaas
2020-02-08 0:00 ` [RFC 2/9] PCI: pci-bridge-emul: Eliminate reserved member Jon Derrick
2020-03-28 21:43 ` Bjorn Helgaas
2020-02-08 0:00 ` [RFC 3/9] PCI: pci-bridge-emul: Provide a helper to set behavior Jon Derrick
2020-02-08 0:00 ` [RFC 4/9] PCI: pciehp: Indirect slot register operations Jon Derrick
2020-02-08 0:00 ` [RFC 5/9] PCI: Add pcie_port_slot_emulated stub Jon Derrick
2020-02-08 0:00 ` [RFC 6/9] PCI: pciehp: Expose the poll loop to other drivers Jon Derrick
2020-02-08 0:00 ` [RFC 7/9] PCI: Move pci_dev_str_match to search.c Jon Derrick
2020-02-08 0:00 ` [RFC 8/9] PCI: pciehp: Add hotplug slot emulation driver Jon Derrick
2020-02-08 0:00 ` [RFC 9/9] PCI: pciehp: Wire up pcie_port_emulate_slot and pciehp_emul Jon Derrick
2020-02-10 7:01 ` Christoph Hellwig [this message]
2020-02-10 15:05 ` [RFC 0/9] PCIe Hotplug Slot Emulation driver Derrick, Jonathan
2020-02-10 16:58 ` hch
2020-02-10 17:09 ` Derrick, Jonathan
2020-03-28 21:51 ` Bjorn Helgaas
2020-03-30 17:43 ` Derrick, Jonathan
2020-03-30 17:49 ` hch
2020-04-01 21:45 ` Bjorn Helgaas
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