On 30.05.19 06:23, Anshuman Khandual wrote: > > > On 05/30/2019 03:36 AM, Andrew Morton wrote: >> On Wed, 29 May 2019 14:46:24 +0530 Anshuman Khandual <anshuman.khandual@xxxxxxx> wrote: >> >>> This series enables memory hot remove on arm64 after fixing a memblock >>> removal ordering problem in generic __remove_memory() and one possible >>> arm64 platform specific kernel page table race condition. This series >>> is based on latest v5.2-rc2 tag. >> >> Unfortunately this series clashes syntactically and semantically with >> David Hildenbrand's series "mm/memory_hotplug: Factor out memory block >> devicehandling". Could you and David please figure out what we should >> do here? >> > > Hello Andrew, > > I was able to apply the above mentioned V3 series [1] from David with some changes > listed below which tests positively on arm64. These changes assume that the arm64 > hot-remove series (current V5) gets applied first. > > Changes to David's series > > A) Please drop (https://patchwork.kernel.org/patch/10962565/) [v3,04/11] > > - arch_remove_memory() is already being added through hot-remove series > > B) Rebase (https://patchwork.kernel.org/patch/10962575/) [v3, 06/11] > > - arm64 hot-remove series adds CONFIG_MEMORY_HOTREMOVE wrapper around > arch_remove_memory() which can be dropped in the rebased patch > > C) Rebase (https://patchwork.kernel.org/patch/10962589/) [v3, 09/11] > > - hot-remove series moves arch_remove_memory() before memblock_[free|remove]() > - So remove_memory_block_devices() should be moved before arch_remove_memory() > in it's new position > > David, > > Please do let me know if the plan sounds good or you have some other suggestions. That's exactly what I had in mind :) Andrew, you can drop my series and pick up Anshumans series first. I can then rebase and resend. Cheers! -- Thanks, David / dhildenb