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authorChris Metcalf <cmetcalf@tilera.com>2012-03-30 15:46:29 -0400
committerChris Metcalf <cmetcalf@tilera.com>2012-04-02 12:13:49 -0400
commitab306cae660e524edbeb8889e4e23d3c97717b9c (patch)
treec588cb46c9497e9271e8bc5b5b4f5e53244c6cf9 /arch/tile/lib
parentb14f21906774be181627412fed5b6b5fae2b53a2 (diff)
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arch/tile: use atomic exchange in arch_write_unlock()
This idiom is used elsewhere when we do an unlock by writing a zero, but I missed it here. Using an atomic operation avoids waiting on the write buffer for the unlocking write to be sent to the home cache. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/lib')
0 files changed, 0 insertions, 0 deletions
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