[PATCH-next v5 0/7] x86/boot: Remove run-time relocations from compressed kernel

Arvind Sankar
2020-07-17T20:18:06Z

Same as v5 previously posted, but rebased onto next-20200717.

v5: https://lore.kernel.org/lkml/20200715004133.1430068-1-nivedita@alum.mit.edu/

Ard Biesheuvel (3):
x86/boot/compressed: Move .got.plt entries out of the .got section
x86/boot/compressed: Force hidden visibility for all symbol references
x86/boot/compressed: Get rid of GOT fixup code

Arvind Sankar (4):
x86/boot: Add .text.* to setup.ld
x86/boot: Remove run-time relocations from .head.text code
x86/boot: Remove run-time relocations from head_{32,64}.S
x86/boot: Check that there are no run-time relocations

arch/x86/boot/compressed/Makefile | 39 +-----
arch/x86/boot/compressed/head_32.S | 99 +++++----------
arch/x86/boot/compressed/head_64.S | 165 ++++++++++---------------
arch/x86/boot/compressed/mkpiggy.c | 6 +
arch/x86/boot/compressed/vmlinux.lds.S | 24 +++-
arch/x86/boot/setup.ld | 2 +-
drivers/firmware/efi/libstub/Makefile | 2 +-
drivers/firmware/efi/libstub/hidden.h | 6 -
include/linux/hidden.h | 19 +++
9 files changed, 153 insertions(+), 209 deletions(-)
delete mode 100644 drivers/firmware/efi/libstub/hidden.h
create mode 100644 include/linux/hidden.h

base-commit: aab7ee9f8ff0110bfcd594b33dc33748dc1baf46
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2.26.2