From: Bjorn Helgaas <helgaas@kernel.org>
To: Matt Turner <mattst88@gmail.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
linux-pci@vger.kernel.org,
linux-alpha <linux-alpha@vger.kernel.org>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Jay Estabrook <jay.estabrook@gmail.com>
Subject: Re: Some Alphas broken by f75b99d5a77d (PCI: Enforce bus address limits in resource allocation)
Date: Sat, 22 Feb 2020 10:55:56 -0600 [thread overview]
Message-ID: <20200222165556.GA207281@google.com> (raw)
In-Reply-To: <CAEdQ38GUhL0R4c7ZjEZv89TmqQ0cwhnvBawxuXonSb9On=+B6A@mail.gmail.com>
On Mon, Apr 16, 2018 at 07:33:57AM -0700, Matt Turner wrote:
> Commit f75b99d5a77d63f20e07bd276d5a427808ac8ef6 (PCI: Enforce bus
> address limits in resource allocation) broke Alpha systems using
> CONFIG_ALPHA_NAUTILUS. Alpha is 64-bit, but Nautilus systems use a
> 32-bit AMD 751/761 chipset. arch/alpha/kernel/sys_nautilus.c maps PCI
> into the upper addresses just below 4GB.
>
> I can get a working kernel by ifdef'ing out the code in
> drivers/pci/bus.c:pci_bus_alloc_resource. We can't tie
> PCI_BUS_ADDR_T_64BIT to ALPHA_NAUTILUS without breaking generic
> kernels.
>
> How can we get Nautilus working again?
I don't see a resolution in this thread, so I assume this is still
broken? Anybody have any more ideas?
Bjorn
next prev parent reply other threads:[~2020-02-22 16:55 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 [this message]
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
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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