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Re: [PATCH] hw/char/exynos4210_uart: Fix missing call to report ready fo
Re: [PATCH] hw/char/exynos4210_uart: Fix missing call to report ready for input
Tue, 2 Feb 2021 11:07:36 +0000
On Sat, 30 Jan 2021 at 18:42, Iris Johnson <firstname.lastname@example.org> wrote:
> 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 <email@example.com>
> hw/char/exynos4210_uart.c | 1 +
Applied to target-arm.next, thanks.
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Peter Maydell <=