Hi David > -----Original Message----- > From: David Hildenbrand <[email protected]> > Sent: Friday, July 10, 2020 4:30 PM > To: Justin He <[email protected]>; Catalin Marinas > <[email protected]>; Will Deacon <[email protected]>; Tony Luck > <[email protected]>; Fenghua Yu <[email protected]>; Yoshinori Sato > <[email protected]>; Rich Felker <[email protected]>; Dave Hansen > <[email protected]>; Andy Lutomirski <[email protected]>; Peter > Zijlstra <[email protected]>; Thomas Gleixner <[email protected]>; > Ingo Molnar <[email protected]>; Borislav Petkov <[email protected]> > Cc: [email protected]; H. Peter Anvin <[email protected]>; Dan Williams > <[email protected]>; Vishal Verma <[email protected]>; Dave > Jiang <[email protected]>; Andrew Morton <[email protected]>; > Baoquan He <[email protected]>; Chuhong Yuan <[email protected]>; Mike > Rapoport <[email protected]>; Logan Gunthorpe <[email protected]>; > Masahiro Yamada <[email protected]>; Michal Hocko <[email protected]>; > [email protected]; [email protected]; linux- > [email protected]; [email protected]; [email protected]; > [email protected]; Jonathan Cameron <[email protected]>; Kaly > Xin <[email protected]> > Subject: Re: [PATCH v4 0/2] Fix and enable pmem as RAM device on arm64 > > On 10.07.20 05:16, Jia He wrote: > > This fixies a few issues when I tried to enable pmem as RAM device on > arm64. > > > > To use memory_add_physaddr_to_nid as a fallback nid, it would be better > > implement a general version (__weak) in mm/memory_hotplug. After that, > arm64/ > > sh/s390 can simply use the general version, and PowerPC/ia64/x86 will > use > > arch specific version. > > > > Tested on ThunderX2 host/qemu "-M virt" guest with a nvdimm device. The > > memblocks from the dax pmem device can be either hot-added or hot- > removed > > on arm64 guest. Also passed the compilation test on x86. > > > > Changes: > > v4: - remove "device-dax: use fallback nid when numa_node is invalid", > wait > > for Dan Williams' phys_addr_to_target_node() patch > > So, this series no longer does what it promises? "Fix and enable pmem as > RAM device on arm64" > Hmm, a little bit awkward but seems no long what it promises. How about sending patch1 patch2 individually without this cover-letter?
-- Cheers, Justin (Jia He)
