diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2013-06-15 15:36:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-24 01:47:09 +0200 |
| commit | 8c1fb49ba107c7db9441ef6ec0ab5830d112cc2a (patch) | |
| tree | c4733126d13fdf57e10638c18da280c0e7e103ac /drivers/tty | |
| parent | tty: Only perform flip buffer flush from tty_buffer_flush() (diff) | |
| download | linux-8c1fb49ba107c7db9441ef6ec0ab5830d112cc2a.tar.xz linux-8c1fb49ba107c7db9441ef6ec0ab5830d112cc2a.zip | |
tty: Avoid false-sharing flip buffer ptrs
Separate the head and tail ptrs to avoid cache-line contention
(so called 'false-sharing') between concurrent threads.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
0 files changed, 0 insertions, 0 deletions