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commit d09e8f6bb3ccdc153fa1dfce8ede4f90c5489307
Author: Damien Zammit <[email protected]>
Date: Sun Feb 15 04:36:19 2026 +0000
kern/mach_clock: Update last_hpc_read only by cpu0 in clk interrupt
This was likely an oversight, that the last_hpc_read is only supposed
to be updated by cpu0 during its clock interrupt.
This will ensure only one cpu can update the value but any other cpu
can read it.
This does *not* make the hp clock smp safe yet.
TESTED:
- The clocktest script from earlier commit msg still passes on UP.
- The clocktest script from earlier commit msg now passes on SMP
when run on master processor only (fixed).
- The clocktest script from earlier commit msg *fails* on SMP
when run on slave processor set using /sbin/smp ./clocktest
- Passes all i386 CI.
Message-ID: <[email protected]>
-----------------------------------------------------------------------
Summary of changes:
kern/mach_clock.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
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GNU Mach
