Hi David > -----Original Message----- > From: David Hildenbrand <david@xxxxxxxxxx> > Sent: Friday, July 10, 2020 4:30 PM > To: Justin He <Justin.He@xxxxxxx>; Catalin Marinas > <Catalin.Marinas@xxxxxxx>; Will Deacon <will@xxxxxxxxxx>; Tony Luck > <tony.luck@xxxxxxxxx>; Fenghua Yu <fenghua.yu@xxxxxxxxx>; Yoshinori Sato > <ysato@xxxxxxxxxxxxxxxxxxxx>; Rich Felker <dalias@xxxxxxxx>; Dave Hansen > <dave.hansen@xxxxxxxxxxxxxxx>; Andy Lutomirski <luto@xxxxxxxxxx>; Peter > Zijlstra <peterz@xxxxxxxxxxxxx>; Thomas Gleixner <tglx@xxxxxxxxxxxxx>; > Ingo Molnar <mingo@xxxxxxxxxx>; Borislav Petkov <bp@xxxxxxxxx> > Cc: x86@xxxxxxxxxx; H. Peter Anvin <hpa@xxxxxxxxx>; Dan Williams > <dan.j.williams@xxxxxxxxx>; Vishal Verma <vishal.l.verma@xxxxxxxxx>; Dave > Jiang <dave.jiang@xxxxxxxxx>; Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>; > Baoquan He <bhe@xxxxxxxxxx>; Chuhong Yuan <hslester96@xxxxxxxxx>; Mike > Rapoport <rppt@xxxxxxxxxxxxx>; Logan Gunthorpe <logang@xxxxxxxxxxxx>; > Masahiro Yamada <masahiroy@xxxxxxxxxx>; Michal Hocko <mhocko@xxxxxxxx>; > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux- > ia64@xxxxxxxxxxxxxxx; linux-sh@xxxxxxxxxxxxxxx; linux-nvdimm@xxxxxxxxxxxx; > linux-mm@xxxxxxxxx; Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>; Kaly > Xin <Kaly.Xin@xxxxxxx> > 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)
