diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-05-01 00:55:57 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-23 20:13:20 +1000 |
| commit | 9f65b81f36e31563c5a5e4df3b3b8bc7550b6030 (patch) | |
| tree | a4e3e295eba020c1f68072d40733cdb57f543e84 /include/linux | |
| parent | 550ddadcc7580ec2a6c22d4ed04291bc6e2428fb (diff) | |
tty: hvc: introduce the hv_ops.flush operation for hvc drivers
Use .flush to wait for drivers to flush their console outside of
the spinlock, to reduce lock/irq latencies.
Flush the hvc console driver after each write, which can help
messages make it out to the console after a crash.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions