Re: [PATCH] powerpc/powernv/pci: Work around races in PCI bridge enabling

2018-08-17 Thread kbuild test robot
Hi Benjamin, I love your patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on v4.18 next-20180817] [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/B

[PATCH] powerpc/powernv/pci: Work around races in PCI bridge enabling

2018-08-16 Thread Benjamin Herrenschmidt
The generic code is race when multiple children of a PCI bridge try to enable it simultaneously. This leads to drivers trying to access a device through a not-yet-enabled bridge, and this EEH errors under various circumstances when using parallel driver probing. There is work going on to fix that