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sparc64: Add membar to Niagara2 memcpy code.
authorDavid S. Miller <davem@davemloft.net>
Sat, 17 May 2014 18:28:05 +0000 (11:28 -0700)
committerBen Hutchings <ben@decadent.org.uk>
Sat, 13 Sep 2014 22:41:50 +0000 (23:41 +0100)
commit47fbb3be6dfb86d6cf27b68f660115a4e6694c4d
tree03f5efbfa7c64f7328437d2a5e1cebd492a83dectree
parentfe4e4116707bceda70919d578e8c8b3e9d016558commit | diff
sparc64: Add membar to Niagara2 memcpy code.

[ Upstream commit 5aa4ecfd0ddb1e6dcd1c886e6c49677550f581aa ]

This is the prevent previous stores from overlapping the block stores
done by the memcpy loop.

Based upon a glibc patch by Jose E. Marchesi

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
arch/sparc/lib/NG2memcpy.S diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git