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Date: Thu, 21 Apr 2022 12:40:01 +0200 From: Maciej Fijalkowski <maciej.fijalkowski@...el.com> To: Daniel Borkmann <daniel@...earbox.net> Cc: Stephen Rothwell <sfr@...b.auug.org.au>, Alexei Starovoitov <ast@...nel.org>, Andrii Nakryiko <andrii@...nel.org>, bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Next Mailing List <linux-next@...r.kernel.org> Subject: Re: linux-next: build failure after merge of the bpf-next tree On Thu, Apr 21, 2022 at 11:45:46AM +0200, Daniel Borkmann wrote: > On 4/21/22 2:32 AM, Stephen Rothwell wrote: > > Hi all, > > Maciej, I presume you are already working on a follow-up for the below? Yikes! I missed that, let's blame easter break for that. I'm on it. > > > On Tue, 19 Apr 2022 11:56:20 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote: > > > > > > After merging the bpf-next tree, today's linux-next build > > > (x86_64 allmodconfig) failed like this: > > > > > > In file included from include/linux/compiler_types.h:73, > > > from <command-line>: > > > drivers/net/ethernet/intel/i40e/i40e_xsk.c: In function 'i40e_run_xdp_zc': > > > include/linux/compiler_attributes.h:222:41: error: attribute 'fallthrough' not preceding a case label or default label [-Werror] > > > 222 | # define fallthrough __attribute__((__fallthrough__)) > > > | ^~~~~~~~~~~~~ > > > drivers/net/ethernet/intel/i40e/i40e_xsk.c:192:17: note: in expansion of macro 'fallthrough' > > > 192 | fallthrough; /* handle aborts by dropping packet */ > > > | ^~~~~~~~~~~ > > > cc1: all warnings being treated as errors > > > In file included from include/linux/compiler_types.h:73, > > > from <command-line>: > > > drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c: In function 'ixgbe_run_xdp_zc': > > > include/linux/compiler_attributes.h:222:41: error: attribute 'fallthrough' not preceding a case label or default label [-Werror] > > > 222 | # define fallthrough __attribute__((__fallthrough__)) > > > | ^~~~~~~~~~~~~ > > > drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c:147:17: note: in expansion of macro 'fallthrough' > > > 147 | fallthrough; /* handle aborts by dropping packet */ > > > | ^~~~~~~~~~~ > > > cc1: all warnings being treated as errors > > > > > > Caused by commits > > > > > > b8aef650e549 ("i40e, xsk: Terminate Rx side of NAPI when XSK Rx queue gets full") > > > c7dd09fd4628 ("ixgbe, xsk: Terminate Rx side of NAPI when XSK Rx queue gets full") > > > > > > I have used the bpf-next tree from next-20220414 for today. > > > > I am still getting these failures ... > > >
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