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Date: Thu, 21 Aug 2014 17:55:32 -0700 (PDT) From: David Miller <davem@...emloft.net> To: Yuval.Mintz@...gic.com Cc: netdev@...r.kernel.org, Ariel.Elior@...gic.com Subject: Re: [PATCH net] bnx2x: Revert UNDI flushing mechanism From: Yuval Mintz <Yuval.Mintz@...gic.com> Date: Mon, 18 Aug 2014 22:36:23 +0300 > Commit 91ebb929b6f8 ("bnx2x: Add support for Multi-Function UNDI") [which was > later supposedly fixed by de682941eef3 ("bnx2x: Fix UNDI driver unload")] > introduced a bug in which in some [yet-to-be-determined] scenarios the > alternative flushing mechanism which was to guarantee the Rx buffers are > empty before resetting them during device probe will fail. > If this happens, when device will be loaded once more a fatal attention will > occur; Since this most likely happens in boot from SAN scenarios, the machine > will fail to load. > > Notice this may occur not only in the 'Multi-Function' scenario but in the > regular scenario as well, i.e., this introduced a regression in the driver's > ability to perform boot from SAN. > > The patch reverts the mechanism and applies the old scheme to multi-function > devices as well as to single-function devices. > > Signed-off-by: Yuval Mintz <Yuval.Mintz@...gic.com> > Signed-off-by: Ariel Elior <Ariel.Elior@...gic.com> Applied and queued up for -stable, thanks. -- 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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