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authorMichael S. Tsirkin <mst@redhat.com>2015-12-27 16:04:42 +0300
committerMichael S. Tsirkin <mst@redhat.com>2016-01-26 11:18:29 +0300
commitfb9b050ce9695cf2769a850d94aa2ab39c8c3cd5 (patch)
tree1ce0cd003c4c6d8cb5d42130e47fa7b9c078a6ea /tools/virtio
parenta7c490333df3cff5086ddf19a0837529304fa097 (diff)
downloadlinux-fb9b050ce9695cf2769a850d94aa2ab39c8c3cd5.tar.xz
sh: fix smp_store_mb for !SMP
sh variant of smp_store_mb() calls xchg() on !SMP which is stronger than implied by both the name and the documentation. commit 90a3ccb0be538a914e6a5c51ae919762261563ad ("sh: define __smp_xxx, fix smp_store_mb for !SMP") was supposed to fix it but left the bug in place. Drop smp_store_mb, so that code in asm-generic/barrier.h will define it correctly depending on CONFIG_SMP. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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