[syslinux] bootloader installation improvements

[H. Peter Anvin]

On 08/06/17 04:41, Gene Cumm via Syslinux wrote:
>>
>> [what do they mean by "file-size constraints"? what is the hard limit on
>> the size of "ldlinux.sys"? is it an 8086 16-bit segment? oh, the
>> horror.]
> 
> Several years back when btrfs support was first implemented, there was
> only 64k available to install ldlinux.sys, since it needs to be
> ensured that the blocks don't move even through the late-stage changes
> to apply the block map.
> 

And even today there is a hard limit on btrfs, as well as on PXE (in
both cases a few hundred kilobytes.)

	-hpa