This series adds the ability to use the entire PE image space for decompression, provides the preferred address to the PE loader via the header, and finally restricts efi_relocate_kernel to cases where we really need it rather than whenever we were loaded at something other than preferred address. Based on tip:efi/core + the cleanup series just posted [1] [1] https://lore.kernel.org/linux-efi/20200301230436.2246909-1-nivedita@xxxxxxxxxxxx/ Arvind Sankar (5): x86/boot/compressed/32: Save the output address instead of recalculating it efi/x86: Decompress at start of PE image load address efi/x86: Add kernel preferred address to PE header efi/x86: Remove extra headroom for setup block efi/x86: Don't relocate the kernel unless necessary arch/x86/boot/compressed/head_32.S | 42 +++++++++++++++-------- arch/x86/boot/compressed/head_64.S | 38 +++++++++++++++++++-- arch/x86/boot/header.S | 6 ++-- arch/x86/boot/tools/build.c | 44 ++++++++++++++++++------- drivers/firmware/efi/libstub/x86-stub.c | 32 +++++++++++++++--- 5 files changed, 127 insertions(+), 35 deletions(-) -- 2.24.1
