Re: [PATCH v1 01/11] ci: prevent grub unpacking initramfs

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Thu, Apr 03, 2025 at 01:29:16PM +0200, Jan Beulich wrote:
> On 03.04.2025 13:04, Marek Marczykowski-Górecki wrote:
> > It fails on larger initramfs (~250MB one) and sometimes even smaller
> > depending on memory size/memory map, let Linux do it.
> 
> Iirc grub only unpacks gzip-ed modules, so wouldn't a yet better approach
> be to use a better compressing algorithm, which simply as a side effect
> would keep grub from decompressing it, while at the same time moving
> farther away from any critical boundaries?

That should also make the test faster (if it's a significant
difference). OTOH likely we wouldn't have found the issue with
map_pages_to_xen().

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

Attachment: signature.asc
Description: PGP signature