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SubjectRe: [PATCH v3 1/3] x86: Move DEBUG_TLBFLUSH option.
On Mon, 29 Apr 2019, Atish Patra wrote:

> CONFIG_DEBUG_TLBFLUSH was added in
>
> 'commit 3df3212f9722 ("x86/tlb: add tlb_flushall_shift knob into debugfs")'
> to support tlb_flushall_shift knob. The knob was removed in
>
> 'commit e9f4e0a9fe27 ("x86/mm: Rip out complicated, out-of-date, buggy
> TLB flushing")'.
> However, the debug option was never removed from Kconfig. It was reused
> in commit
>
> '9824cf9753ec ("mm: vmstats: tlb flush counters")'
> but the commit text was never updated accordingly.
>
> Update the Kconfig option description as per its current usage.
>
> Take this opportunity to make this kconfig option a common option as it
> touches the common vmstat code. Introduce another arch specific config
> HAVE_ARCH_DEBUG_TLBFLUSH that can be selected to enable this config.

Looks like this one still needs to be merged or acked by one of the x86
maintainers?


- Paul

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