svn commit: r248298 - head/sys/kern

[Konstantin Belousov]

On Thu, Mar 14, 2013 at 11:20:19PM +0000, Edward Tomasz Napierala wrote:
> Author: trasz
> Date: Thu Mar 14 23:20:18 2013
> New Revision: 248298
> URL: http://svnweb.freebsd.org/changeset/base/248298
> 
> Log:
>   Accessing td_state requires thread lock to be held.
It is not the access to td_state which should be protected, but the
consistency between thread state and later action based on the state,
which should be atomic.
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