On Tue, Sep 11, 2018 at 3:28 AM Chao Fan <fanc.fnst@xxxxxxxxxxxxxx> wrote: > > On Mon, Sep 10, 2018 at 10:13:49PM +0200, Rafael J. Wysocki wrote: > >On Mon, Sep 10, 2018 at 2:41 PM Chao Fan <fanc.fnst@xxxxxxxxxxxxxx> wrote: > >> > >> Imitate the ACPI code of parsing ACPI tables to dig and read ACPI > >> tables. > > > >Why? > > Sorry for that, I have sent the cover letter to you. Thanks, but please add the explanation here too. > > > >> Since some operations are not needed here, > > > >What operations? > > Such as some operations related to the map between physical address > and virtual address. Here in compressed period, use physical address > directely. This information also needs to go into the changelog of the patch. > > > >> functions are simplified. Functions will be used to dig SRAT tables to get > >> information of memory, so that KASLR can the memory in immovable node. > > > >So do you want to parse SRAT only or do something in addition to that? > > Only read and get memory information, won't change SRAT. > So ACPI code will not be changed. I meant whether or not SRAT is the only table you need to look into. If so, that also needs to be said in the patch changelog. Thanks, Rafael