Re: [PATCH] x86/boot: Support uncompressed kernel

[H. Peter Anvin]

On 03/28/17 05:01, Chao Peng wrote:
>>
>> I guess the next step would be to use CONFIG_XIP_KERNEL on x86,
>> which requires an uncompressed kernel but has the additional advantage
>> of sharing the read-only sections of the kernel image across virtual
>> machines, resulting in better RAM and cache usage.
> 
> That is something we wanna look into :)
> 

It is, but that is a second order thing... especially since the x86
kernel makes heavy use of self-patching at the moment.  What would be
more significant, though, would be to avoid the memcpy() and instead
decode the uncompressed kernel in-place.

	-hpa