Re: [PATCH v5 1/6] mm: add ARCH_SUPPORTS_NON_LEAF_PTDUMP

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On Fri, Jul 05, 2024 at 10:52:26AM GMT, kernel test robot wrote:
> 
> 
> Hello,
> 
> kernel test robot noticed "WARNING:at_arch/x86/mm/dump_pagetables.c:#note_page" on:
> 
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20240705/202407051002.96bf438-oliver.sang@xxxxxxxxx
> 

Note this config has CONFIG_ARCH_SUPPORTS_NON_LEAF_PTDUMP=y, added by
this patchset, but x86 does not yet support non-leaf ptdump semantics.

x86 support is on my TODOs, but I am caught up in other work (a LSM
and/or *.ko preventing dynamically-allocated datastructure write
gadgets! (-: ).

Regards,
Maxwell Bland




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