Displaying 2 results from an estimated 2 matches for "smp_cond_load_relaed".
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smp_cond_load_relaxed
2020 Jul 24
0
[PATCH v4 6/6] powerpc: implement smp_cond_load_relaxed
This implements smp_cond_load_relaed with the slowpath busy loop using the
preferred SMT priority pattern.
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/powerpc/include/asm/barrier.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/as...
2020 Jul 24
8
[PATCH v4 0/6] powerpc: queued spinlocks and rwlocks
Updated with everybody's feedback (thanks all), and more performance
results.
What I've found is I might have been measuring the worst load point for
the paravirt case, and by looking at a range of loads it's clear that
queued spinlocks are overall better even on PV, doubly so when you look
at the generally much improved worst case latencies.
I have defaulted it to N even though