On Fri, 22 Dec 2023, Ilpo Järvinen wrote: > Hi all, > > Here's a series that contains two fixes to PCI bridge window sizing > algorithm. Together, they should enable remove & rescan cycle to work > for a PCI bus that has PCI devices with optional resources and/or > disparity in BAR sizes. > > For the second fix, I chose to expose find_empty_resource_slot() from > kernel/resource.c because it should increase accuracy of the cannot-fit > decision (currently that function is called find_resource()). In order > to do that sensibly, a few improvements seemed in order to make its > interface and name of the function sane before exposing it. Thus, the > few extra patches on resource side. Hi Bjorn, Can you consider applying this series or do you have some comments on it? I'm a bit unsure these days if my emails even reach you successfully as I tend to often receive complaints from Gmail that it has blocked the emails I send with git send-email detecting them as "unsolicited mail". -- i. > Unfortunately I don't have a reason to suspect these would help with > the issues related to the currently ongoing resource regression > thread [1]. > > [1] https://lore.kernel.org/linux-pci/ZXpaNCLiDM+Kv38H@xxxxxxxxxxxxxxxxxxx/ > > Ilpo Järvinen (7): > PCI: Fix resource double counting on remove & rescan > resource: Rename find_resource() to find_empty_resource_slot() > resource: Document find_empty_resource_slot() and resource_constraint > resource: Use typedef for alignf callback > resource: Handle simple alignment inside __find_empty_resource_slot() > resource: Export find_empty_resource_slot() > PCI: Relax bridge window tail sizing rules