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Message-Id: <20100914.141103.123996613.davem@davemloft.net> Date: Tue, 14 Sep 2010 14:11:03 -0700 (PDT) From: David Miller <davem@...emloft.net> To: akpm@...ux-foundation.org Cc: hramrach@...trum.cz, netdev@...r.kernel.org, bugzilla-daemon@...zilla.kernel.org, bugme-daemon@...zilla.kernel.org, herbert@...dor.hengli.com.au Subject: Re: [Bugme-new] [Bug 18492] New: kernel softirq warning on boot From: Andrew Morton <akpm@...ux-foundation.org> Date: Tue, 14 Sep 2010 13:57:30 -0700 > On Tue, 14 Sep 2010 22:45:19 +0200 > Michal Suchanek <hramrach@...trum.cz> wrote: > >> > rcu_read_unlock_bh() in netpoll_rx(), added by "netpoll: Fix RCU >> > usage". >> >> Do you mean de85d99eb7b595f6751550184b94c1e2f74a828b? > > yup. > >> I am not sure reverting just that would work, nor that the kernel >> around that point is in shape for trying on a system I would want to >> still use. It's way back in history for a kernel which is just to be >> released. > > No, we wouldn't want to revert it - it fixes stuff. > > It could be that we just don't need the _bh locking, if local irqs are > reliably disabled. But I didn't really look. I'll take a closer look at this if Herbert doesn't beat me to it. -- 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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