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From: Thorsten Glaser <tg@mirbsd.de>
To: musl@lists.openwall.com
Subject: Re: [musl] PAC/BTI Support on aarch64
Date: Wed, 14 Feb 2024 13:32:13 +0000 (UTC)	[thread overview]
Message-ID: <Pine.BSM.4.64L.2402141330510.11348@herc.mirbsd.org> (raw)
In-Reply-To: <ZcxFJByUgJs500ko@voyager>

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 :-)

  reply	other threads:[~2024-02-14 13:41 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-12 16:38 William Roberts
2024-02-12 18:42 ` Rich Felker
2024-02-12 21:25   ` William Roberts
2024-02-12 21:34     ` enh
2024-02-12 22:46     ` Rich Felker
2024-02-12 23:05       ` enh
2024-02-12 23:18         ` William Roberts
2024-02-13  2:08           ` Rich Felker
2024-02-13 14:47             ` William Roberts
2024-02-13 17:51               ` Markus Wichmann
2024-02-14  2:19                 ` Rich Felker
2024-02-14  3:19                   ` William Roberts
2024-02-14  4:44                   ` Markus Wichmann
2024-02-14 13:32                     ` Thorsten Glaser [this message]
2024-02-14 14:03                       ` Rich Felker
2024-02-14 14:12                         ` Thorsten Glaser
2024-02-15 13:29                   ` Stefan O'Rear
2024-02-15 14:06                     ` Rich Felker
2024-03-02 14:33                       ` Szabolcs Nagy
2024-03-02 14:45                         ` Rich Felker
2024-02-15  0:03             ` Szabolcs Nagy
2024-02-15  0:22               ` enh
2024-02-15  9:18                 ` Szabolcs Nagy
2024-02-19 23:54   ` Fangrui Song
     [not found]   ` <DS7PR12MB57659BC5D5536574D1B91D26CB502@DS7PR12MB5765.namprd12.prod.outlook.com>
2024-02-20  6:21     ` Anton Korobeynikov

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