Re: [PING^2][PATCH] RISC-V: PCI: Avoid handing out address 0 to devices

From: Palmer Dabbelt
Date: Wed Jun 22 2022 - 13:44:02 EST


On Wed, 22 Jun 2022 04:04:09 PDT (-0700), macro@xxxxxxxxxxx wrote:
On Wed, 27 Apr 2022, Maciej W. Rozycki wrote:

Therefore avoid handing out address 0, by bumping the lowest address
available to PCI via PCIBIOS_MIN_IO and PCIBIOS_MIN_MEM up by 4 and 16
respectively, which is the minimum allocation size for I/O and memory
BARs.

Ping for:
<https://lore.kernel.org/lkml/alpine.DEB.2.21.2204271207590.9383@xxxxxxxxxxxxxxxxx/>

Sorry, I got this mixed up with the non-RISC-V patch. David poked me about it, this is on for-next. It's passing my tests, but they're just QEMU so probably not all that exciting here.