Re: [PATCH V12] mm/debug: Add tests validating architecture page table helpers

From: Qian Cai
Date: Sun Feb 02 2020 - 06:26:48 EST




> On Jan 30, 2020, at 9:13 AM, Christophe Leroy <christophe.leroy@xxxxxx> wrote:
>
> config DEBUG_VM_PGTABLE
> bool "Debug arch page table for semantics compliance" if ARCH_HAS_DEBUG_VM_PGTABLE || EXPERT
> depends on MMU
> default 'n' if !ARCH_HAS_DEBUG_VM_PGTABLE
> default 'y' if DEBUG_VM

Does it really necessary to potentially force all bots to run this? Syzbot, kernel test robot etc? Does it ever pay off for all their machine times there?