* [PATCH 0/2] locking/xchg/alpha: Additional fixes
@ 2018-02-22 9:23 Andrea Parri
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From: Andrea Parri @ 2018-02-22 9:23 UTC (permalink / raw)
To: Ingo Molnar, Peter Zijlstra
Cc: Will Deacon, Paul E . McKenney, Alan Stern, Ivan Kokshaysky,
Matt Turner, Richard Henderson, linux-alpha, linux-kernel,
Andrea Parri
Hi,
A couple of two more fixes, on top of tip:locking/urgent, to Alpha's
implementations of xchg() and cmpxchg():
- The first, suggested by Will, removing the macro '__ASM__MB'
in favour of smp_mb();
- The second, reported by Will, adding a leading smp_mb().
Compile tested only.
Cheers,
Andrea
Andrea Parri (2):
locking/xchg/alpha: Use smp_mb() in place of __ASM__MB
locking/xchg/alpha: Add leading smp_mb() to xchg(), cmpxchg()
arch/alpha/include/asm/cmpxchg.h | 6 ------
arch/alpha/include/asm/xchg.h | 37 ++++++++++++++++++++++++++-----------
2 files changed, 26 insertions(+), 17 deletions(-)
--
2.7.4
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