"bibo,mao" <[EMAIL PROTECTED]> writes: > If kernel image is bzImage, x64 efi bootloader need switch to 32 bit > protect mode(or real mode) from 64 bit long mode, and if kernel > image is gzipped/plain format, efi bootloader can directly jump to > 64-bit kernel entry address without mode switch.
My opinion is that bzImages should be avoided on EFI platforms, or the decompress-code in Linux has to be rewritten. It took me a good couple of hours of debugging to find out that Linux simply ignores the memory layout and assumes that low memory is free to use as it likes. ~j
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