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[SCM] GNU Mach branch, master, updated. v1.8-572-gca7b8ae0

From: Samuel Thibault
Subject: [SCM] GNU Mach branch, master, updated. v1.8-572-gca7b8ae0
Date: Wed, 15 Feb 2023 05:00:16 -0500 (EST)

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU Mach".

The branch, master has been updated
       via  ca7b8ae031d9ce12139d96caedc5d1bd369feeca (commit)
      from  d3ef1ba20f7b6e1af5387c48d58da38cc55d3b79 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit ca7b8ae031d9ce12139d96caedc5d1bd369feeca
Author: Samuel Thibault <>
Date:   Wed Feb 15 10:59:42 2023 +0100

    smp: Fix more busy loops
    We need to avoid the kernel optimizing away the reads from
    memory. Use a standard relaxing instruction for that.


Summary of changes:
 i386/i386/lock.h  |  1 +
 i386/intel/pmap.c |  6 +++---
 kern/eventcount.c |  2 +-
 kern/lock.c       | 12 +++++++-----
 kern/machine.c    |  2 +-
 5 files changed, 13 insertions(+), 10 deletions(-)

GNU Mach

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