Re: PCIe 32-bit MMIO exhaustion

2015-03-19 Thread Bjorn Helgaas
On Wed, Mar 04, 2015 at 11:01:59AM -0600, Bjorn Helgaas wrote: > On Wed, Mar 04, 2015 at 03:12:04PM +0800, Daniel J Blueman wrote: > > Your patch solves the conflicts nicely [1] with: > > > > From f835b16b0758a1dde6042a0e4c8aa5a2e8be5f21 Mon Sep 17 00:00:00 2001 > > From: Daniel J Blueman > > Dat

Re: PCIe 32-bit MMIO exhaustion

2015-03-04 Thread Bjorn Helgaas
On Wed, Mar 04, 2015 at 03:12:04PM +0800, Daniel J Blueman wrote: > Your patch solves the conflicts nicely [1] with: > > From f835b16b0758a1dde6042a0e4c8aa5a2e8be5f21 Mon Sep 17 00:00:00 2001 > From: Daniel J Blueman > Date: Wed, 4 Mar 2015 14:53:00 +0800 > Subject: [PATCH] Mark PCI BARs with add

Re: PCIe 32-bit MMIO exhaustion

2015-03-03 Thread Daniel J Blueman
On 04/03/2015 06:38, Bjorn Helgaas wrote: [+cc linux-pci, linux-acpi] On Tue, Feb 24, 2015 at 12:37:39PM +0800, Daniel J Blueman wrote: Hi Bjorn, Jiang, On 29/01/2015 23:23, Bjorn Helgaas wrote: Hi Daniel, On Wed, Jan 28, 2015 at 2:42 AM, Daniel J Blueman wrote: With systems with a large n

Re: PCIe 32-bit MMIO exhaustion

2015-03-03 Thread Bjorn Helgaas
[+cc linux-pci, linux-acpi] On Tue, Feb 24, 2015 at 12:37:39PM +0800, Daniel J Blueman wrote: > Hi Bjorn, Jiang, > > On 29/01/2015 23:23, Bjorn Helgaas wrote: > >Hi Daniel, > > > >On Wed, Jan 28, 2015 at 2:42 AM, Daniel J Blueman > >wrote: > >>With systems with a large number of PCI devices, we

Re: PCIe 32-bit MMIO exhaustion

2015-02-23 Thread Daniel J Blueman
Hi Bjorn, Jiang, On 29/01/2015 23:23, Bjorn Helgaas wrote: Hi Daniel, On Wed, Jan 28, 2015 at 2:42 AM, Daniel J Blueman wrote: With systems with a large number of PCI devices, we're seeing lack of 32-bit MMIO space, eg one quad-port NetXtreme-2 adapter takes 128MB of space [1]. An errata to

Re: PCIe 32-bit MMIO exhaustion

2015-01-29 Thread Bjorn Helgaas
[+cc Yinghai] Hi Daniel, On Wed, Jan 28, 2015 at 2:42 AM, Daniel J Blueman wrote: > With systems with a large number of PCI devices, we're seeing lack of 32-bit > MMIO space, eg one quad-port NetXtreme-2 adapter takes 128MB of space [1]. > > An errata to the PCIe 2.1 spec provides guidance on li

PCIe 32-bit MMIO exhaustion

2015-01-28 Thread Daniel J Blueman
With systems with a large number of PCI devices, we're seeing lack of 32-bit MMIO space, eg one quad-port NetXtreme-2 adapter takes 128MB of space [1]. An errata to the PCIe 2.1 spec provides guidance on limitations with 64-bit non-prefetchable BARs (since bridges have only 32-bit non-prefetc