On 21 February 2023 11:46:04 GMT, Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> wrote: >On 21.02.2023 11:27, David Woodhouse wrote: >> On 21 February 2023 09:49:51 GMT, Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> wrote: >>> On 21.02.2023 10:06, David Woodhouse wrote: >>>> Why does arch/x86/kernel/acpi/sleep.c::x86_acpi_suspend_lowlevel() set >>>> >>>> initial_gs = per_cpu_offset(smp_processor_id()) ? >>>> >>>> Would it not be CPU#0 that comes back up, and should it not get >>>> per_cpu_offset(0) ? >>> >>> Wanna me try `initial_gs = per_cpu_offset(0);` too? >> >> Hm, yes please. There's another one to make zero on the next line up, I think? > >So, > >``` >early_gdt_descr.address = (unsigned long)get_cpu_gdt_rw(0); >initial_gs = per_cpu_offset(0); >``` > >? > >Should I leave `smpboot_control = 0;` commented out, or I should uncomment it back? Put it back, else those things don't matter. Thanks.
