Re: PROBLEM: Race condition in tty buffer's functionflush_to_ldisc().
From: Alan Cox
Date: Mon Nov 07 2011 - 06:47:02 EST
On Mon, 07 Nov 2011 15:14:34 +0400
Ilya Zykov <ilya@xxxxxxx> wrote:
> Function flush_to_ldisc() call disc->ops->receive_buf(),
> without tty->buf.lock and with TTY_FLUSHING bit set.
flush_to_ldisc is single threaded for a given tty. If you fail to
ensure that is the case everything breaks.
What cases does this occur ?
Also for the other patches do you have benchmarks yet ?
Alan
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