On Mon, Jan 21, 2019 at 09:18:30AM +0800, Chao Fan wrote:
> So I have changed as this method and put in my mail thread, you may not
> notice, so I put here for my function if I need to fill the
> boot_parameters:
>
> static inline acpi_physical_address get_boot_params_rsdp(void)
> {
> return boot_params->acpi_rsdp_addr;
> }
Why do you need that silly wrapper?
> static acpi_physical_address get_rsdp_addr(void)
> {
> bool boot_params_rsdp_exist;
What's that bool supposed to do?
> acpi_physical_address pa;
>
> pa = get_acpi_rsdp();
>
> if (!pa)
> pa = get_boot_params_rsdp();
>
> if (!pa) {
> pa = efi_get_rsdp_addr();
> boot_params_rsdp_exist = false;
> }
> else
> boot_params_rsdp_exist = true;
>
> if (!pa)
> pa = bios_get_rsdp_addr();
>
> if (pa && !boot_params_rsdp_exist)
> boot_params.acpi_rsdp_addr = pa;
>
> return pa;
> }
>
> At the same time, I notice kernel only parses it when
> "#ifdef CONFIG_ACPI", we should keep sync with kernel, but I think
> we are parsing SRAT, CONFIG_ACPI is needed sure, so I am going to
> update the define of EARLY_SRAT_PARSE:
>
> config EARLY_SRAT_PARSE
> bool "EARLY SRAT parsing"
> def_bool y
> depends on RANDOMIZE_BASE && MEMORY_HOTREMOVE && ACPI
Actually, you don't need that anymore - make it unconditionally
built-in. Because there are a bunch of users which need this and instead
of complicating this config option with a bunch of dependencies, we can
just as well have it always on.
Thx.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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