From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Date: Wed, 26 Oct 2016 10:22:41 -0700 Subject: [Intel-wired-lan] [net-next PATCH 27/27] igb: Revert "igb: Revert support for build_skb in igb" In-Reply-To: <20161025153911.4815.45366.stgit@ahduyck-blue-test.jf.intel.com> References: <20161025153220.4815.61239.stgit@ahduyck-blue-test.jf.intel.com> <20161025153911.4815.45366.stgit@ahduyck-blue-test.jf.intel.com> Message-ID: <1477502561.2431.2.camel@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On Tue, 2016-10-25 at 11:39 -0400, Alexander Duyck wrote: > This reverts commit f9d40f6a9921 ("igb: Revert support for build_skb in > igb") and adds a few changes to update it to work with the latest version > of igb. We are now able to revert the removal of this due to the fact > that with the recent changes to the page count and the use of > DMA_ATTR_SKIP_CPU_SYNC we can make the pages writable so we should not be > invalidating the additional data added when we call build_skb. > > The biggest risk with this change is that we are now not able to support > full jumbo frames when using build_skb.? Instead we can only support up > to > 2K minus the skb overhead and padding offset. > > Signed-off-by: Alexander Duyck Acked-by: Jeff Kirsher -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: This is a digitally signed message part URL: