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| H A D | x86-stub.c | 688eb282 Sun Oct 11 09:20:12 CDT 2020 Arvind Sankar <nivedita@alum.mit.edu> efi/x86: Only copy the compressed kernel image in efi_relocate_kernel()
The image_size argument to efi_relocate_kernel() is currently specified
as init_size, but this is unnecessarily large. The compressed kernel is
much smaller, in fact, its image only extends up to the start of _bss,
since at this point, the .bss section is still uninitialized.
Depending on compression level, this can reduce the amount of data
copied by 4-5x.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20201011142012.96493-1-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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