Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

2017-06-05 Thread Ding Tianhong
On 2017/6/6 8:28, Alexander Duyck wrote: > On Mon, Jun 5, 2017 at 6:33 AM, Ding Tianhong wrote: >> >> >> On 2017/6/4 2:19, Alexander Duyck wrote: >>> On Fri, Jun 2, 2017 at 9:04 PM, Ding Tianhong >>> wrote: The PCIe Device Control Register use the bit 4 to indicate that whether the d

Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

2017-06-05 Thread Alexander Duyck
On Mon, Jun 5, 2017 at 6:33 AM, Ding Tianhong wrote: > > > On 2017/6/4 2:19, Alexander Duyck wrote: >> On Fri, Jun 2, 2017 at 9:04 PM, Ding Tianhong >> wrote: >>> The PCIe Device Control Register use the bit 4 to indicate that >>> whether the device is permitted to enable relaxed ordering or not

Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

2017-06-05 Thread Ding Tianhong
On 2017/6/4 2:19, Alexander Duyck wrote: > On Fri, Jun 2, 2017 at 9:04 PM, Ding Tianhong wrote: >> The PCIe Device Control Register use the bit 4 to indicate that >> whether the device is permitted to enable relaxed ordering or not. >> But relaxed ordering is not safe for some platform which cou

Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

2017-06-03 Thread Ding Tianhong
On 2017/6/4 2:19, Alexander Duyck wrote: > On Fri, Jun 2, 2017 at 9:04 PM, Ding Tianhong wrote: >> The PCIe Device Control Register use the bit 4 to indicate that >> whether the device is permitted to enable relaxed ordering or not. >> But relaxed ordering is not safe for some platform which cou

Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

2017-06-03 Thread Alexander Duyck
On Fri, Jun 2, 2017 at 9:04 PM, Ding Tianhong wrote: > The PCIe Device Control Register use the bit 4 to indicate that > whether the device is permitted to enable relaxed ordering or not. > But relaxed ordering is not safe for some platform which could only > use strong write ordering, so devices

Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

2017-06-02 Thread kbuild test robot
Hi Ding, [auto build test WARNING on pci/next] [cannot apply to v4.12-rc3 next-20170602] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Ding-Tianhong/Add-new-PCI_DEV_FLAGS_NO_RELAXED_ORDERING-fl

[PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

2017-06-02 Thread Ding Tianhong
The PCIe Device Control Register use the bit 4 to indicate that whether the device is permitted to enable relaxed ordering or not. But relaxed ordering is not safe for some platform which could only use strong write ordering, so devices are allowed (but not required) to enable relaxed ordering bit