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Groups > linux.kernel > #1611423
| From | "H. Peter Anvin" <hpa@zytor.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] x86/boot: Support uncompressed kernel |
| Date | 2017-03-29 01:00 +0200 |
| Message-ID | <tq8fL-682-1@gated-at.bofh.it> (permalink) |
| References | (3 earlier) <toq77-5eW-3@gated-at.bofh.it> <tpxSW-4Xx-17@gated-at.bofh.it> <tpBtw-7vp-25@gated-at.bofh.it> <tpCSB-hj-9@gated-at.bofh.it> <tpY6J-7lr-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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Re: [PATCH] x86/boot: Support uncompressed kernel Chao Peng <chao.p.peng@linux.intel.com> - 2017-03-28 14:10 +0200
Re: [PATCH] x86/boot: Support uncompressed kernel "H. Peter Anvin" <hpa@zytor.com> - 2017-03-29 01:00 +0200
Re: [PATCH] x86/boot: Support uncompressed kernel Andy Lutomirski <luto@amacapital.net> - 2017-03-29 01:00 +0200
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