diff options
| author | Milton Miller <miltonm@bga.com> | 2009-01-08 02:14:18 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-13 14:48:01 +1100 |
| commit | 9fef3d2d15ae8ca24e4a145f2e189eea145d18c2 (patch) | |
| tree | deb3764686dcbeb5ab013ecf6183d55c514f216f /drivers/char/vc_screen.c | |
| parent | a1c5a8932bbb75b550deb156d890027827fc9d6e (diff) | |
hvc_console: Change an mb() to smp_mb() and add some comments
I remember some history on this barrier. There was a race between
open via /dev/console and the tty being fully setup. Its also why
there is a temporary variable and the global is assigned at the end
of the function.
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/char/vc_screen.c')
0 files changed, 0 insertions, 0 deletions