https://github.com/torvalds/linux
Revision f94b0572683716f727b25086f8d39671506593ab authored by Doug Anderson on 21 April 2014, 16:40:36 UTC, committed by Greg Kroah-Hartman on 24 April 2014, 22:38:22 UTC
The two functions to write out to the console (one used in normal console mode and one in polling console mode) were slightly different. One used a barrier() in its loop and the other a cpu_relax(). The barrier() really doesn't do anything since we're using rd_regl() to read the port anyway. Switch it to cpu_relax() to make things consistent. No known bugs / issues are fixed by this change--it just makes things more consistent. Signed-off-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tip revision: f94b0572683716f727b25086f8d39671506593ab authored by Doug Anderson on 21 April 2014, 16:40:36 UTC
serial: samsung: Change barrier() to cpu_relax() in console output
serial: samsung: Change barrier() to cpu_relax() in console output
Tip revision: f94b057
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