Re: [PATCH] macvtap: use set_curren_state to ensure mb

From: Hong zhi guo <redacted>
Date: Tue, 5 Jun 2012 20:05:34 +0800

On Tue, Jun 5, 2012 at 7:05 PM, Eric Dumazet [off-list ref] wrote:

quoted

Why not using the more standard :

prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);

and

finish_wait(sk_sleep(sk), &wait);

Thanks for your comments.  The difference is that prepare_to_wait
inside loop introduces extra "list_empty" judgement than original
patch. But personally I prefer the newer version too:

Signed-off-by: Hong Zhiguo <redacted>

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