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SubjectRe: [PATCH 9/9] x86/mm: Adjust virtual address space layout in early boot
On Wed, Feb 14, 2018 at 12:10:49PM +0000, Ingo Molnar wrote:
>
> * Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote:
>
> > We need to adjust virtual address space to support switching between
> > paging modes.
> >
> > The adjustment happens in __startup_64().
> >
> > We also have to change KASLR code that doesn't expect variable
> > VMALLOC_SIZE_TB.
> >
> > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> > ---
> > arch/x86/boot/compressed/kaslr.c | 14 ++++++++--
> > arch/x86/include/asm/page_64_types.h | 9 ++----
> > arch/x86/include/asm/pgtable_64_types.h | 25 +++++++++--------
> > arch/x86/kernel/head64.c | 49 +++++++++++++++++++++++++++------
> > arch/x86/kernel/head_64.S | 2 +-
> > arch/x86/mm/dump_pagetables.c | 3 ++
> > arch/x86/mm/kaslr.c | 11 ++++----
> > 7 files changed, 77 insertions(+), 36 deletions(-)
>
> This is too large and risky - would it be possible to split this up into multiple,
> smaller patches?

Let me check what I can do here.

If you are fine with previous patches please apply. I will send split up
of this patch separately.

--
Kirill A. Shutemov

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