Re: [PATCH v3] PCI: hv: Fix a timing issue which causes kdump to fail occasionally

2020-07-23 Thread Lorenzo Pieralisi
On Thu, Jul 23, 2020 at 03:52:39PM +, Wei Hu wrote: > > -Original Message- > > From: Lorenzo Pieralisi > > > Kdump could fail sometime on Hyper-V guest over Accelerated Network > > > interface. This is because the retry in hv_pci_enter_d0() relies on an > > > asynchronous host event ar

RE: [PATCH v3] PCI: hv: Fix a timing issue which causes kdump to fail occasionally

2020-07-23 Thread Wei Hu
> -Original Message- > From: Lorenzo Pieralisi > > Kdump could fail sometime on Hyper-V guest over Accelerated Network > > interface. This is because the retry in hv_pci_enter_d0() relies on an > > asynchronous host event arriving before the guest calls > > hv_send_resources_allocated(). F

Re: [PATCH v3] PCI: hv: Fix a timing issue which causes kdump to fail occasionally

2020-07-23 Thread Lorenzo Pieralisi
On Sat, Jul 18, 2020 at 11:47:52AM +0800, Wei Hu wrote: > Kdump could fail sometime on Hyper-V guest over Accelerated Network > interface. This is because the retry in hv_pci_enter_d0() relies on > an asynchronous host event arriving before the guest calls > hv_send_resources_allocated(). Fix the p

RE: [PATCH v3] PCI: hv: Fix a timing issue which causes kdump to fail occasionally

2020-07-20 Thread Michael Kelley
From: Wei Hu Sent: Friday, July 17, 2020 8:48 PM > To: KY Srinivasan ; Haiyang Zhang > ; > Stephen Hemminger ; wei@kernel.org; > lorenzo.pieral...@arm.com; r...@kernel.org; bhelg...@google.com; linux- > hyp...@vger.kernel.org; linux-...@vger.kernel.org; > linux-kernel@vger.kernel.org; Dexuan