Messages in this thread | | | Subject | Re: [PATCH] x86/boot: Support uncompressed kernel | From | "H. Peter Anvin" <> | Date | Tue, 28 Mar 2017 15:38:49 -0700 |
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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
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