Re: [PATCH] x86/alternatives: Fix optimize_nops() checking

[David Woodhouse]

On Wed, 2018-01-10 at 12:28 +0100, Borislav Petkov wrote:
> From: Borislav Petkov <bp@xxxxxxx>
> Date: Wed, 10 Jan 2018 12:14:07 +0100
> 
> We check only the first byte whether it is a NOP but if David Woodhouse
> wants to do some crazy experiments with slapping NOPs in front of the
> payload and having the actual instructions after it, this "optimized"
> test breaks. :-)

:)

Thank you.

Tested-by: David Woodhouse <dwmw@xxxxxxxxxxxx>

That fixed and understood, I shall remove the offending NOPs anyway,
because aligning instructions in the *altinstr* section is entirely
pointless as they might still not be aligned when they get copied into
place anyway.

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