Re: [PATCHv3 2/2] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

2020-03-16 Thread Pingfan Liu
On Mon, Mar 16, 2020 at 10:53 AM Aneesh Kumar K.V wrote: > > On 3/4/20 2:17 PM, Pingfan Liu wrote: > > At present, plpar_hcall(H_SCM_BIND_MEM, ...) takes a very long time, so > > if dumping to fsdax, it will take a very long time. > > > > > that should be fixed by > > faa6d21153fd11e139dd880044521

Re: [PATCHv3 2/2] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

2020-03-15 Thread Aneesh Kumar K.V
On 3/4/20 2:17 PM, Pingfan Liu wrote: At present, plpar_hcall(H_SCM_BIND_MEM, ...) takes a very long time, so if dumping to fsdax, it will take a very long time. that should be fixed by faa6d21153fd11e139dd880044521389b34a24f2 Author: Aneesh Kumar K.V AuthorDate: Tue Sep 3 18:04:52

Re: [PATCHv3 2/2] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

2020-03-15 Thread Pingfan Liu
Appreciate for your kind review. And I have some comment as below. On Fri, Mar 13, 2020 at 11:18 AM Oliver O'Halloran wrote: > > On Wed, Mar 4, 2020 at 7:50 PM Pingfan Liu wrote: > > > > At present, plpar_hcall(H_SCM_BIND_MEM, ...) takes a very long time, so > > if dumping to fsdax, it will take

Re: [PATCHv3 2/2] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

2020-03-12 Thread Oliver O'Halloran
On Wed, Mar 4, 2020 at 7:50 PM Pingfan Liu wrote: > > At present, plpar_hcall(H_SCM_BIND_MEM, ...) takes a very long time, so > if dumping to fsdax, it will take a very long time. > > Take a closer look, during the papr_scm initialization, the only > configuration is through drc_pmem_bind()-> plpa

[PATCHv3 2/2] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

2020-03-04 Thread Pingfan Liu
At present, plpar_hcall(H_SCM_BIND_MEM, ...) takes a very long time, so if dumping to fsdax, it will take a very long time. Take a closer look, during the papr_scm initialization, the only configuration is through drc_pmem_bind()-> plpar_hcall(H_SCM_BIND_MEM, ...), which helps to set up the bound