Hi David > -----Original Message----- > From: David Hildenbrand <da...@redhat.com> > Sent: Friday, July 10, 2020 4:30 PM > To: Justin He <justin...@arm.com>; Catalin Marinas > <catalin.mari...@arm.com>; Will Deacon <w...@kernel.org>; Tony Luck > <tony.l...@intel.com>; Fenghua Yu <fenghua...@intel.com>; Yoshinori Sato > <ys...@users.sourceforge.jp>; Rich Felker <dal...@libc.org>; Dave Hansen > <dave.han...@linux.intel.com>; Andy Lutomirski <l...@kernel.org>; Peter > Zijlstra <pet...@infradead.org>; Thomas Gleixner <t...@linutronix.de>; > Ingo Molnar <mi...@redhat.com>; Borislav Petkov <b...@alien8.de> > Cc: x...@kernel.org; H. Peter Anvin <h...@zytor.com>; Dan Williams > <dan.j.willi...@intel.com>; Vishal Verma <vishal.l.ve...@intel.com>; Dave > Jiang <dave.ji...@intel.com>; Andrew Morton <a...@linux-foundation.org>; > Baoquan He <b...@redhat.com>; Chuhong Yuan <hsleste...@gmail.com>; Mike > Rapoport <r...@linux.ibm.com>; Logan Gunthorpe <log...@deltatee.com>; > Masahiro Yamada <masahi...@kernel.org>; Michal Hocko <mho...@suse.com>; > linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org; linux- > i...@vger.kernel.org; linux...@vger.kernel.org; linux-nvd...@lists.01.org; > linux...@kvack.org; Jonathan Cameron <jonathan.came...@huawei.com>; Kaly > Xin <kaly....@arm.com> > 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)
