On 2015/4/29 22:15, Rafael J. Wysocki wrote:
> On Wednesday, April 29, 2015 09:33:16 PM Jiang Liu wrote:
>> On 2015/4/29 21:20, Bjorn Helgaas wrote:
>>> On Tue, Apr 28, 2015 at 7:40 PM, Rafael J. Wysocki
>>> wrote:
On Monday, April 20, 2015 11:08:58 AM Jiang Liu wrote:
> An IO port or
On Wednesday, April 29, 2015 09:33:16 PM Jiang Liu wrote:
> On 2015/4/29 21:20, Bjorn Helgaas wrote:
> > On Tue, Apr 28, 2015 at 7:40 PM, Rafael J. Wysocki
> > wrote:
> >> On Monday, April 20, 2015 11:08:58 AM Jiang Liu wrote:
> >>> An IO port or MMIO resource assigned to a PCI host bridge may be
On Wed, Apr 29, 2015 at 8:33 AM, Jiang Liu wrote:
> On 2015/4/29 21:20, Bjorn Helgaas wrote:
>> On Tue, Apr 28, 2015 at 7:40 PM, Rafael J. Wysocki
>> wrote:
>>> On Monday, April 20, 2015 11:08:58 AM Jiang Liu wrote:
+ *
+ * Another possible solution is to explicitly filter o
On 2015/4/29 21:20, Bjorn Helgaas wrote:
> On Tue, Apr 28, 2015 at 7:40 PM, Rafael J. Wysocki wrote:
>> On Monday, April 20, 2015 11:08:58 AM Jiang Liu wrote:
>>> An IO port or MMIO resource assigned to a PCI host bridge may be
>>> consumed by the host bridge itself or available to its child
>>> b
On Tue, Apr 28, 2015 at 7:40 PM, Rafael J. Wysocki wrote:
> On Monday, April 20, 2015 11:08:58 AM Jiang Liu wrote:
>> An IO port or MMIO resource assigned to a PCI host bridge may be
>> consumed by the host bridge itself or available to its child
>> bus/devices. On x86 and IA64 platforms, all IO p
On Monday, April 20, 2015 11:08:58 AM Jiang Liu wrote:
> An IO port or MMIO resource assigned to a PCI host bridge may be
> consumed by the host bridge itself or available to its child
> bus/devices. On x86 and IA64 platforms, all IO port and MMIO
> resources are assumed to be available to child bu
An IO port or MMIO resource assigned to a PCI host bridge may be
consumed by the host bridge itself or available to its child
bus/devices. On x86 and IA64 platforms, all IO port and MMIO
resources are assumed to be available to child bus/devices
except one special case:
IO port [0xCF8-0xCFF] is
On Monday, April 13, 2015 08:56:17 AM Ingo Molnar wrote:
>
> * Jiang Liu wrote:
>
> > Before commit 593669c2ac0f("Use common ACPI resource interfaces to
> > simplify implementation"), arch/x86/pci/acpi.c applies following
>
> s/applies following
> /applied the following
>
> > rules when parsi
* Jiang Liu wrote:
> Before commit 593669c2ac0f("Use common ACPI resource interfaces to
> simplify implementation"), arch/x86/pci/acpi.c applies following
s/applies following
/applied the following
> rules when parsing ACPI resources for PCI host bridge:
> 1) Ignore IO port resources defined
Before commit 593669c2ac0f("Use common ACPI resource interfaces to
simplify implementation"), arch/x86/pci/acpi.c applies following
rules when parsing ACPI resources for PCI host bridge:
1) Ignore IO port resources defined by acpi_resource_io and
acpi_resource_fixed_io, which should be used to d
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