On 2017/8/9 11:25, Bjorn Helgaas wrote:
> On Tue, Aug 08, 2017 at 09:22:39PM -0500, Bjorn Helgaas wrote:
>> On Sat, Aug 05, 2017 at 03:15:11PM +0800, Ding Tianhong wrote:
>>> When bit4 is set in the PCIe Device Control register, it indicates
> After looking at the driver, I wonder if it would be s
Hi Bjorn:
On 2017/8/9 10:22, Bjorn Helgaas wrote:
> On Sat, Aug 05, 2017 at 03:15:11PM +0800, Ding Tianhong wrote:
>> When bit4 is set in the PCIe Device Control register, it indicates
>> whether the device is permitted to use relaxed ordering.
>> On some platforms using relaxed ordering can have
| From: Bjorn Helgaas
| Sent: Tuesday, August 8, 2017 7:22 PM
| ...
| and the caller should do something like this:
|
| if (pcie_relaxed_ordering_broken(pci_find_pcie_root_port(pdev)))
| adapter->flags |= ROOT_NO_RELAXED_ORDERING;
|
| That way it's obvious where the issue is, and it'
On Tue, Aug 08, 2017 at 09:22:39PM -0500, Bjorn Helgaas wrote:
> On Sat, Aug 05, 2017 at 03:15:11PM +0800, Ding Tianhong wrote:
> > When bit4 is set in the PCIe Device Control register, it indicates
> > whether the device is permitted to use relaxed ordering.
> > On some platforms using relaxed ord
On Sat, Aug 05, 2017 at 03:15:11PM +0800, Ding Tianhong wrote:
> When bit4 is set in the PCIe Device Control register, it indicates
> whether the device is permitted to use relaxed ordering.
> On some platforms using relaxed ordering can have performance issues or
> due to erratum can cause data-co
When bit4 is set in the PCIe Device Control register, it indicates
whether the device is permitted to use relaxed ordering.
On some platforms using relaxed ordering can have performance issues or
due to erratum can cause data-corruption. In such cases devices must avoid
using relaxed ordering.
Thi
