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Date: Sat, 13 Dec 2014 23:43:20 -0500 (EST) From: David Miller <davem@...emloft.net> To: weiyang@...ux.vnet.ibm.com Cc: David.Laight@...LAB.COM, eric.dumazet@...il.com, netdev@...r.kernel.org, gideonn@...lanox.com, edumazet@...gle.com, amirv@...lanox.com Subject: Re: [PATCH net] net/mlx4_en: correct the endianness of doorbell_qpn on big endian platform From: Wei Yang <weiyang@...ux.vnet.ibm.com> Date: Sat, 13 Dec 2014 11:13:38 +0800 > On Mon, Dec 08, 2014 at 10:42:37PM +0800, Wei Yang wrote: > If you prefer this way, I would like to send a new version for this. > Is it ok for you? I'm not so sure. There are implications when using the __raw_*() routines. In particular, using __raw_{read,write}l() also means that the usual necessary I/O memory barriers are not being performed. There are therefore no ordering guarantees between __raw_*() and other I/O or memory accesses whatsoever. -- 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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