From: Matt Turner <mattst88@gmail.com>
To: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
Yinghai Lu <yinghai@kernel.org>,
linux-pci@vger.kernel.org,
linux-alpha <linux-alpha@vger.kernel.org>,
Richard Henderson <rth@twiddle.net>,
Jay Estabrook <jay.estabrook@gmail.com>,
Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: Some Alphas broken by f75b99d5a77d (PCI: Enforce bus address limits in resource allocation)
Date: Sun, 8 Mar 2020 12:41:46 -0700 [thread overview]
Message-ID: <CAEdQ38G1YhEoQUEpDT6k_uwodxTOs=BYigm_VQaDDdfaoXM6Wg@mail.gmail.com> (raw)
In-Reply-To: <20200308153004.GA17675@mail.rc.ru>
On Sun, Mar 8, 2020 at 8:30 AM Ivan Kokshaysky <ink@jurassic.park.msu.ru> wrote:
> Wholeheartedly agree. In fact, changes to generic PCI code required
> for proper root bus sizing are quite minimal now since we have
> struct pci_host_bridge. It's mostly additional checks for bus->self
> being NULL (as it normally is on the root bus) in the
> __pci_bus_size_bridges() path, plus new bridge->size_windows flag.
> See patch below (tested on UP1500). Note that on irongate we're
> only interested in calculation of non-prefetchable PCI memory aperture,
> but one can do the same for io and prefetchable memory as well.
Thanks Ivan! The patch works for me as well.
next prev parent reply other threads:[~2020-03-08 19:41 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-16 14:33 Some Alphas broken by f75b99d5a77d (PCI: Enforce bus address limits in resource allocation) Matt Turner
2018-04-16 21:50 ` Bjorn Helgaas
2018-04-17 4:43 ` Matt Turner
2018-04-17 19:43 ` Bjorn Helgaas
2018-04-18 20:48 ` Ivan Kokshaysky
2018-04-20 17:03 ` Bjorn Helgaas
2018-04-22 20:07 ` Matt Turner
2018-04-23 17:34 ` Ivan Kokshaysky
2018-05-02 20:33 ` Bjorn Helgaas
2018-05-02 21:10 ` Matt Turner
2018-05-07 0:46 ` Matt Turner
2019-10-18 5:57 ` Matt Turner
2020-02-22 16:55 ` Bjorn Helgaas
2020-02-28 23:51 ` Matt Turner
2020-03-01 14:30 ` Ivan Kokshaysky
2020-03-02 22:47 ` Bjorn Helgaas
2020-03-08 15:30 ` Ivan Kokshaysky
2020-03-08 19:41 ` Matt Turner [this message]
2020-03-12 4:28 ` Matt Turner
2020-03-12 20:19 ` Bjorn Helgaas
2020-03-12 20:49 ` Ivan Kokshaysky
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