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authorK. Y. Srinivasan <[email protected]>2016-01-27 22:29:44 -0800
committerGreg Kroah-Hartman <[email protected]>2016-02-07 21:34:12 -0800
commit3eba9a77d5fc2cee486a16fff435686f024f61cf (patch)
treede72dc9b5edc88f242121f589ad33d37f76f747e /include
parent85d9aa705184a4504d0330017e3956fcdae8a9d6 (diff)
Drivers: hv: vmbus: Eliminate the spin lock on the read path
The function hv_ringbuffer_read() is called always on a pre-assigned CPU. Each chnnel is bound to a specific CPU and this function is always called on the CPU the channel is bound. There is no need to acquire the spin lock; get rid of this overhead. Signed-off-by: K. Y. Srinivasan <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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