[PATCH 0/4] arm64: simplify restrictions on bootloaders

Ian Campbell Ian.Campbell at citrix.com
Tue May 20 04:31:12 PDT 2014


On Fri, 2014-05-16 at 10:50 +0100, Mark Rutland wrote:
> Currently bootloaders have an extremely difficult time protecting memory from
> the kernel, as the kernel may clobber memory below TEXT_OFFSET with pagetables,
> and above the end of the kernel binary with the BSS.

I took a look through this partly with my Xen hat on (Xen effectively
contains a bootloader) and partly with my general noseybeak hat on and
it all looked pretty sensible to me. So I don't think this change will
cause any problems for Xen.

Cheers,
Ian.




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