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authorTom Herbert <therbert@google.com>2014-05-03 03:28:03 +0400
committerDavid S. Miller <davem@davemloft.net>2014-05-05 23:26:29 +0400
commit07064c6e022ba8dc0c86ce12f7851a1de24e04fc (patch)
treef1a0af6e9e69360d987bb8a40ba802f5cd715f97 /arch/x86/include
parent2ad064968762534c0f3b552d5fe88496787bade9 (diff)
downloadlinux-07064c6e022ba8dc0c86ce12f7851a1de24e04fc.tar.xz
net: Allow csum_add to be provided in arch
csum_add is really nothing more then add-with-carry which can be implemented efficiently in some architectures. Allow architecture to define this protected by HAVE_ARCH_CSUM_ADD. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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