Date: Tue, 4 Dec 2012 11:34:35 -0800 From: Adrian Chadd <adrian@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: Barney Cordoba <barney_cordoba@yahoo.com>, freebsd-net@freebsd.org Subject: Re: Latency issues with buf_ring Message-ID: <CAJ-Vmo=tFFkeK2uADMPuBrgX6wN_9TSjAgs0WKPCrEfyhkG6Pw@mail.gmail.com> In-Reply-To: <201212041108.17645.jhb@freebsd.org> References: <1353259441.19423.YahooMailClassic@web121605.mail.ne1.yahoo.com> <201212041108.17645.jhb@freebsd.org>
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.. and it's important to note that buf_ring itself doesn't have the race condition; it's the general driver implementation that's racy. I have the same races in ath(4) with the watchdog programming. Exactly the same issue. Adrian
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