Re: [tip:x86/boot] x86/boot/compressed/64: Prepare trampoline memory

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On Mon, Feb 26, 2018 at 08:50:27AM +0100, Ingo Molnar wrote:
> 
> * Ingo Molnar <mingo@xxxxxxxxxx> 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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