On Tue, Sep 16, 2014 at 12:02:26AM +0800, Amos Kong wrote:
> If we read hwrng by long-running dd process, it takes too much cpu
> time and almost hold the mutex lock. When we check hwrng attributes
> from sysfs by cat, it gets stuck in waiting the lock releaseing.
> The problem can only be reproduc
If we read hwrng by long-running dd process, it takes too much cpu
time and almost hold the mutex lock. When we check hwrng attributes
from sysfs by cat, it gets stuck in waiting the lock releaseing.
The problem can only be reproduced with non-smp guest with slow backend.
This patchset resolves th
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