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* compilation error on centos 7 kernels
@ 2018-07-30  3:26 Yousong Zhou
  2018-07-30  3:27 ` Yousong Zhou
  0 siblings, 1 reply; 6+ messages in thread
From: Yousong Zhou @ 2018-07-30  3:26 UTC (permalink / raw)
  To: WireGuard mailing list

Yesterday I tried compiling openvswitch-dkms on 2 centos 7 systems,
both failed out of box because of the compat conditional compilation
code

Both system has LINUX_VERSION_CODE 199168, i.e. 3.10.0.  The 1st runs
kernel 3.10.0-514.26.2.el7.x86_64, and the second runs
3.10.0-693.2.2.el7.x86_64.  They both lacks skb_reset_tc,
our_pskb_put(), genl_family_attrbuf(), skb_put_data().  And the
3.10.0-514 kernel also lacks ipv6_mod_enabled() so I had to prepare
different dkms patches for them ;( . The bright side is that currently
both systems work fine ;)

It's partially caused by commit 401453 ("compat: handle RHEL 7.5's
recent backports"), but I think the code will be very hard to read and
maintain if we continue to use the current macro detection logic.  I
remembered openvswitch linux kernel datapath module was already in
such an state.  Maybe compile test will do better.

                yousong

^ permalink raw reply	[flat|nested] 6+ messages in thread

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Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-07-30  3:26 compilation error on centos 7 kernels Yousong Zhou
2018-07-30  3:27 ` Yousong Zhou
2018-07-30  3:29   ` Jason A. Donenfeld
2018-07-30  3:34     ` Yousong Zhou
2018-07-30  7:42       ` Greg KH
2018-07-30  8:27         ` Yousong Zhou

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