[SCM] GNU Mach branch, master, updated. v1.8-671-g22f2a716

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 22f2a7160fa0795894b0d50de4c216add33e5f2b
Author: Damien Zammit <damien@zamaudio.com>
Date:   Sat Aug 5 07:49:54 2023 +0000

    cpu_number: Look up cpu kernel_id via lookup table
    
    This speeds up smp slightly by reducing the cpu_number()
    complexity to have no branching, just a look up table.
    It also addresses the problem that CPU_NUMBER was only using
    raw apic_id as an approximation of the kernel_id.
    Other improvements were to remove unnecessary checks now that
    the lookup table always resolves to a valid value.
    Message-Id: <20230805074945.1983707-1-damien@zamaudio.com>

-----------------------------------------------------------------------

Summary of changes:
 i386/i386/apic.c              | 33 ++++++++++++++++++++++-----------
 i386/i386/apic.h              |  2 ++
 i386/i386/cpu_number.c        | 19 +------------------
 i386/i386/cpu_number.h        |  1 +
 i386/i386at/acpi_parse_apic.c |  2 ++
 5 files changed, 28 insertions(+), 29 deletions(-)


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