Re: [PATCH v14 06/13] x86/mm: use broadcast TLB flushing for page reclaim TLB flushing

[Borislav Petkov]

On Tue, Feb 25, 2025 at 10:00:41PM -0500, Rik van Riel wrote:
> In the page reclaim code, we only track the CPU(s) where the TLB needs
> to be flushed, rather than all the individual mappings that may be getting
> invalidated.
> 
> Use broadcast TLB flushing when that is available.
> 
> This is a temporary hack to ensure that the PCID context for
> tasks in the next patch gets properly flushed from the page
> reclaim code, because the IPI based flushing in arch_tlbbatch_flush
> only flushes the currently loaded TLB context on each CPU.

Ok, why am I bothering to review stuff again if you're going to ignore it?

https://lore.kernel.org/r/20250224132711.GHZ7xzr0vdhva3-TvK@fat_crate.local

Please go through all review feedback to v13 and incorporate it properly.

It is not nice to ignore review feedback: you either agree and you incorporate
it or you don't and you explain why.

But ignoring it silently is very unfriendly. :-(

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette