Re: [PATCH] add tlbi=off to disable INVLPGB

[Borislav Petkov]

On Thu, Jul 30, 2026 at 12:32:27PM +0200, Peter Zijlstra wrote:
> TLBI stands for Translation Lookaside Buffer Invalidation.

... instructions." Both ARM and AMD call it this. The usual abbreviation
overload we're suffering from.

> So a command line that says: 'tlbi=off' means no move invalidation *at*all*.
> This seems like a very bad option.
> 
> Please rename.

You suggest one. :-P

But it needs to be short and relatively easy to type. And "invlpgb" ain't easy
and I can't tell you how many times I've seen it getting typoed.

Thx.

-- 
Regards/Gruss,
    Boris.

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