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Date: Wed, 14 Feb 2024 13:32:13 +0000 (UTC)
From: Thorsten Glaser <tg@...bsd.de>
To: musl@...ts.openwall.com
Subject: Re: PAC/BTI Support on aarch64

Markus Wichmann dixit:

>According to Intel, the ENDBR64 instruction decodes as NOP on older
>processors.

That’s unfortunately only true for processors manufactored by Intel.
There exist 686-class CPUs that don’t handle these and other long nops
so it’s best omitted on generic, as in not -march=native, builds.

bye,
//mirabilos
-- 
15:41⎜<Lo-lan-do:#fusionforge> Somebody write a testsuite for helloworld :-)

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