Date: Tue, 16 Oct 2012 09:20:04 -0400 From: Ryan Stone <rysto32@gmail.com> To: Gleb Smirnoff <glebius@freebsd.org> Cc: "Alexander V. Chernikov" <melifaro@freebsd.org>, Jack Vogel <jfvogel@gmail.com>, net@freebsd.org Subject: Re: ixgbe & if_igb RX ring locking Message-ID: <CAFMmRNzA23r_a0nrnsUN8ZoHGL5c7OF1-nCqWpN42FLc50d7eg@mail.gmail.com> In-Reply-To: <20121016124733.GC89655@glebius.int.ru> References: <5079A9A1.4070403@FreeBSD.org> <20121015162926.GV89655@FreeBSD.org> <CAFMmRNxT=GWxc6r7B81ENjzwJmfea3016Sh-DxJEGBwybM0QwQ@mail.gmail.com> <507D4F11.2030704@FreeBSD.org> <CAFMmRNy1h86ZXAH4oK%2BLOK6_VeTsbo=d6oYk669bisKfHbJ56A@mail.gmail.com> <20121016124733.GC89655@glebius.int.ru>
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On Tue, Oct 16, 2012 at 8:47 AM, Gleb Smirnoff <glebius@freebsd.org> wrote: > Can you please provide hints how can SIOCADDMULTI lead to obtaining RX > lock in the stock driver? It doesn't. But it does acquire the core lock, and the core lock is acquired before the RX lock (in ixgbe_init, for instance).
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