linux-kernel - Re: [PATCH 05/29] x86: Base IBT bits

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 18 Feb 2022 13:14:51 -0800
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, joao@...rdrivepizza.com, hjl.tools@...il.com,
        andrew.cooper3@...rix.com, linux-kernel@...r.kernel.org,
        ndesaulniers@...gle.com, keescook@...omium.org,
        samitolvanen@...gle.com, mark.rutland@....com,
        alyssa.milburn@...el.com
Subject: Re: [PATCH 05/29] x86: Base IBT bits

On Fri, Feb 18, 2022 at 05:49:07PM +0100, Peter Zijlstra wrote:
> +#ifdef CONFIG_X86_64
> +#define ASM_ENDBR	"endbr64\n\t"
> +#else
> +#define ASM_ENDBR	"endbr32\n\t"
> +#endif

Is it safe to assume all supported assemblers know this instruction?

-- 
Josh