Messages in this thread | | | Date | Mon, 21 Apr 2014 10:57:56 -0700 | From | "H. Peter Anvin" <> | Subject | Re: kaslr relocation incompitable with kernel loaded high |
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On 04/21/2014 10:56 AM, Yinghai Lu wrote: >> >> 32-bit relocation outside of kernel! > > Interesting, when kernel get at "early console in decompress_kernel" > kernel already in 64 bit... > > what does it mean "32-bit relocation outside of kernel" ? > > why 32-bit is involved ? >
Most addresses and immediates on 64 bits are 32 bits wide, which is why we have the high kernel mapping in the first place.
-hpa
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