Re: [PATCH v5 05/24] Revert "replay: stop us hanging in rr_wait_io_event"

[Alex Bennée]

Nicholas Piggin <npiggin@gmail.com> writes:

> This reverts commit 1f881ea4a444ef36a8b6907b0b82be4b3af253a2.
>
> That commit causes reverse_debugging.py test failures, and does
> not seem to solve the root cause of the problem x86-64 still
> hangs in record/replay tests.
>
> The problem with short-cutting the iowait that was taken during
> record phase is that related events will not get consumed at the
> same points (e.g., reading the clock).
>
> A hang with zero icount always seems to be a symptom of an earlier
> problem that has caused the recording to become out of synch with
> the execution and consumption of events by replay.
>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

Acked-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro