Hi, Peter and Andi,
Do you think this patch set is ready for merging? Otherwise what I can
do to make it ready?
Best Regards,
Huang Ying
On Fri, 2007-10-12 at 13:52 +0800, Huang, Ying wrote:
> This patchset defines a 32-bit boot protocol for i386/x86_64 platform,
> adds an extensible boot parameter passing mechanism, export the boot
> parameters via sysfs.
>
> The patchset has been tested against 2.6.23-rc8-mm2 kernel on x86_64
> and i386.
>
> This patchset is based on the proposal of Peter Anvin.
>
>
> Known Issues:
>
> - Where is safe to place the linked list of setup_data? Because the
> length of the linked list of setup_data is variable, it can not be
> copied into BSS segment of kernel as that of "zero page". We must
> find a safe place for it, where it will not be overwritten by kernel
> during booting up. The i386 kernel will overwrite some pages after
> _end. The x86_64 kernel will overwrite some pages from 0x1000 on.
>
> - The fields in zero page are fairly complex (such as struct
> edd_info). Is it necessary to document every field inside the first
> level fields, until the primary data type? Or is it sufficient to
> provide the C struct name only?
>
>
> v5:
>
> - Use bt_ioremap/bt_iounmap in copy_setup_data.
>
> v4:
>
> - Reserve setup_data and boot parameters for accessing during
> runtime.
> - Export boot parameters via sysfs.
>
> v3:
>
> - Move hd0_info and hd1_info back to zero page for compatibility.
>
> v2:
>
> - Increase the boot protocol version number
> - Check version number before parsing setup data.
> - Revise zero page description according to the source code and move
> them to zero-page.txt.
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