Re: [PATCH v5 0/3] x86/boot: Introduce the kernel_info et consortes

hpa
2019-11-06T17:58:53Z

On November 6, 2019 9:03:33 AM PST, Borislav Petkov <bp@alien8.de> wrote:
>On Mon, Nov 04, 2019 at 04:13:51PM +0100, Daniel Kiper wrote:
>> Hi,
>>
>> Due to very limited space in the setup_header this patch series
>introduces new
>> kernel_info struct which will be used to convey information from the
>kernel to
>> the bootloader. This way the boot protocol can be extended regardless
>of the
>> setup_header limitations. Additionally, the patch series introduces
>some
>> convenience features like the setup_indirect struct and the
>> kernel_info.setup_type_max field.
>
>That's all fine and dandy but I'm missing an example about what that'll
>be used for, in practice.
>
>Thx.

For one thing, we already have people asking for more than 4 GiB worth of initramfs, and especially with initramfs that huge it would make a *lot* of sense to allow loading it in chunks without having to concatenate them. I have been asking for a long time for initramfs creators to split the kernel-dependent and kernel independent parts into separate initramfs modules.
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