Re: [PATCH] x86: Implement __WARN using UD0

[Borislav Petkov]

On Fri, Feb 24, 2017 at 10:15:37AM +0100, Ingo Molnar wrote:
> With thousands of call sites a one byte opcode would be preferred, that's why INT3 
> is so nice.

ICEBP is also a single-byte: F1. And should be pretty unused :)

-- 
Regards/Gruss,
    Boris.

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