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Message-Id: <20120229.134656.2184805638060629954.davem@davemloft.net> Date: Wed, 29 Feb 2012 13:46:56 -0500 (EST) From: David Miller <davem@...emloft.net> To: mchan@...adcom.com Cc: James.Bottomley@...senPartnership.com, mcarlson@...adcom.com, rjw@...k.pl, linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org, maciej.rutecki@...il.com, florian@...kler.org, bhutchings@...arflare.com, netdev@...r.kernel.org Subject: Re: [Bug #42707] Hang deconfiguring network interface (in shutdown) on 3.3-rc1 From: "Michael Chan" <mchan@...adcom.com> Date: Wed, 29 Feb 2012 01:33:37 -0800 > Subject: [PATCH net] tg3: Fix tg3_get_stats64 for 5700 / 5701 devs > > From: Matt Carlson <mcarlson@...adcom.com> > > tg3_get_stats64() takes tp->lock when dealing with non-serdes bcm5700 > and bcm5701 devices. However, functions that call tg3_halt() have > already acquired tp->lock. When tg3_get_stats64() is called in > tg3_halt(), deadlock will occur. > > This patch fixes the problem by separating the stat gathering code into > a new tg3_get_nstats() function. tg3_get_stats64() is recoded to call > this function and take tp->lock. The code that takes tp->lock in > tg3_calc_crc_errors() has been removed. Function signatures have been > cleaned up too. > > Signed-off-by: Matt Carlson <mcarlson@...adcom.com> > Signed-off-by: Michael Chan <mchan@...adcom.com> Applied, thanks everyone. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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