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(parent: f417dc2) | patch
ptr_ring: prevent queue load/store tearing
authorMichael S. Tsirkin <mst@redhat.com>
Thu, 25 Jan 2018 23:36:38 +0000 (01:36 +0200)
committerDavid S. Miller <davem@davemloft.net>
Mon, 29 Jan 2018 17:02:54 +0000 (12:02 -0500)
commita07d29c6724a19eab120b7a74a9bfd107d20f69a
treebbfcf81f49ba2ddfc7e1ab33156dbb95757c1466tree | snapshot
parentf417dc28185d7fdce567821862fcbf9222058cb7commit | diff
ptr_ring: prevent queue load/store tearing

In theory compiler could tear queue loads or stores in two. It does not
seem to be happening in practice but it seems easier to convert the
cases where this would be a problem to READ/WRITE_ONCE than worry about
it.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/ptr_ring.h diff | blob | history
Domain: System / Kernel;