Hi Ingo,
While we haven't yet closed on how to handle MAX_PHYSMEM_BITS situation,
could you look on changes into kernel decompression code?
These changes prepare the code to boot-time switching between paging modes
and handle booting in 5-level mode when bootloader put kernel image above
4G, but haven't enabled 5-level paging for us.
Please review and consider applying.
Kirill A. Shutemov (4):
x86/boot/compressed/64: Compile pagetable.c unconditionally
x86/boot/compressed/64: Detect and handle 5-level paging at boot-time
x86/boot/compressed/64: Introduce place_trampoline()
x86/boot/compressed/64: Handle 5-level paging boot if kernel is above
4G
arch/x86/boot/compressed/Makefile | 2 +-
arch/x86/boot/compressed/head_64.S | 99 +++++++++++++++++++++++++-----------
arch/x86/boot/compressed/pagetable.c | 66 ++++++++++++++++++++++++
arch/x86/boot/compressed/pagetable.h | 18 +++++++
4 files changed, 154 insertions(+), 31 deletions(-)
create mode 100644 arch/x86/boot/compressed/pagetable.h
--
2.14.2
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