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SubjectRe: [tip:x86/boot] x86/boot/compressed/64: Prepare trampoline memory
On Mon, Feb 26, 2018 at 08:50:27AM +0100, Ingo Molnar wrote:
>
> * Ingo Molnar <mingo@kernel.org> wrote:
>
> > We need to re-do this as we have now run into _exactly_ the kind of difficult to
> > debug bug that I was worried about when I insisted on the many iterations of
> > this patch-set...
>
> Ok, so I rebased tip:x86/mm and removed these two commits:
>
> adf9ca9c69a2: x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G
>
> arch/x86/boot/compressed/head_64.S | 127 ++++++++++++++++++++++++++-----------
> 1 file changed, 89 insertions(+), 38 deletions(-)
>
> b91993a87aff: x86/boot/compressed/64: Prepare trampoline memory
>
> arch/x86/boot/compressed/head_64.S | 24 ++++++++++-
> arch/x86/boot/compressed/pgtable.h | 18 ++++++++
> arch/x86/boot/compressed/pgtable_64.c | 79 +++++++++++++++++++++++++++++++++++
> 3 files changed, 120 insertions(+), 1 deletion(-)
>
> The other 5-level paging related commits tested out fine and are properly
> fine-grained.
>
> Please split these two patches up - the first patch can probably be split up into
> 5 parts or so. Let's start with no more than 5 patches per iteration, ok?

Sure.

--
Kirill A. Shutemov

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