Re: [PATCH 3/3] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

On Fri, Feb 28, 2020 at 2:52 PM Christophe Leroy wrote: > > > > Le 28/02/2020 à 06:53, Pingfan Liu a écrit : > > 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

Re: [PATCH 3/3] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

Le 28/02/2020 à 06:53, Pingfan Liu a écrit : 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()->

[PATCH 3/3] pseries/scm: buffer pmem's bound addr in dt for kexec kernel

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