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authorjamal <hadi@cyberus.ca>2010-02-16 02:01:22 (GMT)
committerDavid S. Miller <davem@davemloft.net>2010-02-17 04:20:24 (GMT)
commit6836b9bdd98e3b500cd49512484df68f46e14659 (patch)
tree39eb8e910213e71ab707ad5d3e0b1606fa844f54 /net/xfrm/Makefile
parente06d41d09f314a1664ad60e46934b0ac131c6fa2 (diff)
downloadlinux-6836b9bdd98e3b500cd49512484df68f46e14659.tar.xz
xfrm: avoid spinlock in get_acqseq() used by xfrm user
Eric's version fixed it for pfkey. This one is for xfrm user. I thought about amortizing those two get_acqseq()s but it seems reasonable to have two of these sequence spaces for the two different interfaces. cheers, jamal commit d5168d5addbc999c94aacda8f28a4a173756a72b Author: Jamal Hadi Salim <hadi@cyberus.ca> Date: Tue Feb 16 06:51:22 2010 -0500 xfrm: avoid spinlock in get_acqseq() used by xfrm user This is in the same spirit as commit 28aecb9d7728dc26bf03ce7925fe622023a83a2a by Eric Dumazet. Use atomic_inc_return() in get_acqseq() to avoid taking a spinlock Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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