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1.468029
2015 Feb 25
2
[PATCH 2/2] nouveau: Do not add most bo's to the global bo list.
...that this invalidates memory:
extern int pthread_mutex_lock (pthread_mutex_t *__mutex)
__THROWNL __nonnull ((1));
THOWNL is attribute((nothrow)).
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2015 Feb 25
2
[PATCH 2/2] nouveau: Do not add most bo's to the global bo list.
So you're saying a compiler can optimize:
>
> - statement with memory access
> - read memory barrier
> - statement with memory access
>
> To drop the second statement? I would worry about your definition of
> memory barrier then..
>
This is tricky, but I think you're mixing up the general case with the
actual code you have. In general, you are pointing to this