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(parent: 4a8f4db) | patch
parisc: Implement __smp_store_release and __smp_load_acquire barriers
authorJohn David Anglin <dave.anglin@bell.net>
Thu, 30 Jul 2020 12:59:12 +0000 (08:59 -0400)
committerHelge Deller <deller@gmx.de>
Wed, 12 Aug 2020 13:13:42 +0000 (15:13 +0200)
commite153fdfa5c0bdfeae3a9014c9cc244e552c964f6
treed906ccfdcdf9ef2ce270a29bb858c45492569985tree | snapshot
parent4a8f4db693575a09f61463743acfe4d93c4c5c56commit | diff
parisc: Implement __smp_store_release and __smp_load_acquire barriers

This patch implements the __smp_store_release and __smp_load_acquire barriers
using ordered stores and loads.  This avoids the sync instruction present in
the generic implementation.

Cc: <stable@vger.kernel.org> # 4.14+
Signed-off-by: Dave Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
arch/parisc/include/asm/barrier.h diff | blob | history
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