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Re: [PATCHv2,6/7] mm: convert generic code to 5-level paging

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  Re: [PATCHv2,6/7] mm: convert generic code to 5-level paging "Kirill A. Shutemov" <kirill@shutemov.name> - 2017-03-14 18:10 +0100
    Re: [PATCHv2,6/7] mm: convert generic code to 5-level paging Heiko Stübner <heiko@sntech.de> - 2017-03-14 20:00 +0100

#1600708 — Re: [PATCHv2,6/7] mm: convert generic code to 5-level paging

On Tue, Mar 14, 2017 at 05:14:22PM +0100, Heiko Stübner wrote:
> [added arm64 maintainers and arm list to recipients]
> 
> Hi,
> 
> Am Donnerstag, 9. März 2017, 17:24:07 CET schrieb Kirill A. Shutemov:
> > Convert all non-architecture-specific code to 5-level paging.
> > 
> > It's mostly mechanical adding handling one more page table level in
> > places where we deal with pud_t.
> > 
> > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> > Acked-by: Michal Hocko <mhocko@suse.com>
> 
> This breaks (at least) arm64 Rockchip platforms it seems.
> 
> 4.11-rc1 worked just fine, while 4.11-rc2 kills the systems and I've bisected 
> it down to this one commit.

Have you tried current Linus' tree? There is important fix:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ce70df089143c49385b4f32f39d41fb50fbf6a7c

-- 
 Kirill A. Shutemov

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#1600807

Am Dienstag, 14. März 2017, 20:06:25 CET schrieb Kirill A. Shutemov:
> On Tue, Mar 14, 2017 at 05:14:22PM +0100, Heiko Stübner wrote:
> > [added arm64 maintainers and arm list to recipients]
> > 
> > Hi,
> > 
> > Am Donnerstag, 9. März 2017, 17:24:07 CET schrieb Kirill A. Shutemov:
> > > Convert all non-architecture-specific code to 5-level paging.
> > > 
> > > It's mostly mechanical adding handling one more page table level in
> > > places where we deal with pud_t.
> > > 
> > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> > > Acked-by: Michal Hocko <mhocko@suse.com>
> > 
> > This breaks (at least) arm64 Rockchip platforms it seems.
> > 
> > 4.11-rc1 worked just fine, while 4.11-rc2 kills the systems and I've
> > bisected it down to this one commit.
> 
> Have you tried current Linus' tree? There is important fix:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i
> d=ce70df089143c49385b4f32f39d41fb50fbf6a7c

thanks for the pointer ... my arm64 board seem to boot now again.

While I did look for responses to the original series [0] + [1], where there 
weren't any, I didn't think to just look into Linus' tree if there was some 
fixup already. 

So sorry for the noise and all seems well now
Heiko


[0] https://lkml.org/lkml/2017/3/9/442
[1] https://patchwork.kernel.org/patch/9613445/

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