Re: [PATCH 1/1 V4] : PCIE PHB reset

2020-07-24 Thread Michael Ellerman
On Mon, 13 Jul 2020 09:39:33 -0500, wenxi...@linux.vnet.ibm.com wrote: > Several device drivers hit EEH(Extended Error handling) when triggering > kdump on Pseries PowerVM. This patch implemented a reset of the PHBs > in pci general code when triggering kdump. PHB reset stop all PCI > transactions

[PATCH 1/1 V4] : PCIE PHB reset

2020-07-13 Thread wenxiong
From: Wen Xiong Several device drivers hit EEH(Extended Error handling) when triggering kdump on Pseries PowerVM. This patch implemented a reset of the PHBs in pci general code when triggering kdump. PHB reset stop all PCI transactions from normal kernel. We have tested the patch in several envir