diff options
| author | Iris Johnson | 2021-01-30 19:40:17 +0100 |
|---|---|---|
| committer | Peter Maydell | 2021-02-02 18:00:54 +0100 |
| commit | f2c0fb93a44972a96f93510311c93ff4c2c6fab5 (patch) | |
| tree | 5f935e7f6a0ea80500ab9c0671686a25da9db9ff /scripts/performance | |
| parent | hw/char/exynos4210_uart: Fix buffer size reporting with FIFO disabled (diff) | |
| download | qemu-f2c0fb93a44972a96f93510311c93ff4c2c6fab5.tar.gz qemu-f2c0fb93a44972a96f93510311c93ff4c2c6fab5.tar.xz qemu-f2c0fb93a44972a96f93510311c93ff4c2c6fab5.zip | |
hw/char/exynos4210_uart: Fix missing call to report ready for input
When the frontend device has no space for a read the fd is removed
from polling to allow time for the guest to read and clear the buffer.
Without the call to qemu_chr_fe_accept_input(), the poll will not be
broken out of when the guest has cleared the buffer causing significant
IO delays that get worse with smaller buffers.
Buglink: https://bugs.launchpad.net/qemu/+bug/1913341
Signed-off-by: Iris Johnson <iris@modwiz.com>
Message-id: 20210130184016.1787097-1-iris@modwiz.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'scripts/performance')
0 files changed, 0 insertions, 0 deletions