[Bug 282138] Need system call that flushes the instruction cache for all cores

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 282138] Need system call that flushes the instruction cache for all cores"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 16 Oct 2024 15:11:50 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282138

Jessica Clarke <jrtc27@freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jrtc27@freebsd.org

--- Comment #2 from Jessica Clarke <jrtc27@freebsd.org> ---
Our choice of core-serialising instruction happens to be fence.i, but from
reading the FreeBSD and Linux manpages I don't think there's any guarantee it
uses that in particular, nor anything that ensures the instruction cache is
made consistent.

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