* linux-next: build failure after merge of the net-next tree
@ 2023-06-26 1:28 Stephen Rothwell
2023-06-26 7:48 ` David Howells
0 siblings, 1 reply; 9+ messages in thread
From: Stephen Rothwell @ 2023-06-26 1:28 UTC (permalink / raw)
To: David Miller, Networking
Cc: David Howells, Jakub Kicinski, Linux Kernel Mailing List,
Linux Next Mailing List
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Hi all,
After merging the net-next tree, today's linux-next build (native perf)
failed like this:
In file included from builtin-trace.c:907:
trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags':
trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function)
28 | if (flags & MSG_##n) { \
| ^~~~
trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG'
50 | P_MSG_FLAG(SPLICE_PAGES);
| ^~~~~~~~~~
trace/beauty/msg_flags.c:28:21: note: each undeclared identifier is reported only once for each function it appears in
28 | if (flags & MSG_##n) { \
| ^~~~
trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG'
50 | P_MSG_FLAG(SPLICE_PAGES);
| ^~~~~~~~~~
Caused by commit
b848b26c6672 ("net: Kill MSG_SENDPAGE_NOTLAST")
There is no MSG_SPLICE_PAGES in tools/perf/trace/beauty/include/linux/socket.h
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell
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^ permalink raw reply [flat|nested] 9+ messages in thread* Re: linux-next: build failure after merge of the net-next tree 2023-06-26 1:28 linux-next: build failure after merge of the net-next tree Stephen Rothwell @ 2023-06-26 7:48 ` David Howells 2023-06-26 8:12 ` Stephen Rothwell 2023-06-26 9:02 ` [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error Matthieu Baerts 0 siblings, 2 replies; 9+ messages in thread From: David Howells @ 2023-06-26 7:48 UTC (permalink / raw) To: Stephen Rothwell Cc: dhowells, Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Mark Rutland, Alexander Shishkin, Jiri Olsa, Namhyung Kim, Ian Rogers, Adrian Hunter, David Miller, Networking, Jakub Kicinski, linux-perf-users, bpf, linux-next, linux-kernel Stephen Rothwell <sfr@canb.auug.org.au> wrote: > After merging the net-next tree, today's linux-next build (native perf) > failed like this: > > In file included from builtin-trace.c:907: > trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags': > trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function) I tried applying the attached patch, but it doesn't make any difference. Any idea what I've missed? Also, why do we have duplicates of all the kernel headers in the tools/ directory? David --- commit 878ff45f5f746f6773224ff952c490b5812462f2 Author: David Howells <dhowells@redhat.com> Date: Mon Jun 26 08:08:12 2023 +0100 tools: Fix MSG_SPLICE_PAGES build error in trace tools Fix the following error: In file included from builtin-trace.c:907: trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags': trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function) 28 | if (flags & MSG_##n) { \ | ^~~~ trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' 50 | P_MSG_FLAG(SPLICE_PAGES); | ^~~~~~~~~~ trace/beauty/msg_flags.c:28:21: note: each undeclared identifier is reported only once for each function it appears in 28 | if (flags & MSG_##n) { \ | ^~~~ trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' 50 | P_MSG_FLAG(SPLICE_PAGES); | ^~~~~~~~~~ There is no MSG_SPLICE_PAGES in tools/perf/trace/beauty/include/linux/socket.h Fixes: b848b26c6672 ("net: Kill MSG_SENDPAGE_NOTLAST") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Link: https://lore.kernel.org/r/20230626112847.2ef3d422@canb.auug.org.au/ Signed-off-by: David Howells <dhowells@redhat.com> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Jakub Kicinski <kuba@kernel.org> cc: Paolo Abeni <pabeni@redhat.com> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> cc: bpf@vger.kernel.org cc: dccp@vger.kernel.org cc: linux-afs@lists.infradead.org cc: linux-arm-msm@vger.kernel.org cc: linux-can@vger.kernel.org cc: linux-crypto@vger.kernel.org cc: linux-doc@vger.kernel.org cc: linux-hams@vger.kernel.org cc: linux-perf-users@vger.kernel.org cc: linux-rdma@vger.kernel.org cc: linux-sctp@vger.kernel.org cc: linux-wpan@vger.kernel.org cc: linux-x25@vger.kernel.org cc: mptcp@lists.linux.dev cc: netdev@vger.kernel.org cc: rds-devel@oss.oracle.com cc: tipc-discussion@lists.sourceforge.net cc: virtualization@lists.linux-foundation.org diff --git a/tools/perf/trace/beauty/include/linux/socket.h b/tools/perf/trace/beauty/include/linux/socket.h index 3bef212a24d7..77cb707a566a 100644 --- a/tools/perf/trace/beauty/include/linux/socket.h +++ b/tools/perf/trace/beauty/include/linux/socket.h @@ -326,6 +326,7 @@ struct ucred { */ #define MSG_ZEROCOPY 0x4000000 /* Use user data in kernel path */ +#define MSG_SPLICE_PAGES 0x8000000 /* Splice the pages from the iterator in sendmsg() */ #define MSG_FASTOPEN 0x20000000 /* Send data in TCP SYN */ #define MSG_CMSG_CLOEXEC 0x40000000 /* Set close_on_exec for file descriptor received through ^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: linux-next: build failure after merge of the net-next tree 2023-06-26 7:48 ` David Howells @ 2023-06-26 8:12 ` Stephen Rothwell 2023-06-26 9:02 ` [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error Matthieu Baerts 1 sibling, 0 replies; 9+ messages in thread From: Stephen Rothwell @ 2023-06-26 8:12 UTC (permalink / raw) To: David Howells Cc: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Mark Rutland, Alexander Shishkin, Jiri Olsa, Namhyung Kim, Ian Rogers, Adrian Hunter, David Miller, Networking, Jakub Kicinski, linux-perf-users, bpf, linux-next, linux-kernel [-- Attachment #1: Type: text/plain, Size: 687 bytes --] Hi David, On Mon, 26 Jun 2023 08:48:26 +0100 David Howells <dhowells@redhat.com> wrote: > > Stephen Rothwell <sfr@canb.auug.org.au> wrote: > > > After merging the net-next tree, today's linux-next build (native perf) > > failed like this: > > > > In file included from builtin-trace.c:907: > > trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags': > > trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function) > > I tried applying the attached patch, but it doesn't make any difference. I wonder if it is using the system headers? Or depends on "make headers-install"? -- Cheers, Stephen Rothwell [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 488 bytes --] ^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error 2023-06-26 7:48 ` David Howells 2023-06-26 8:12 ` Stephen Rothwell @ 2023-06-26 9:02 ` Matthieu Baerts 2023-06-26 21:27 ` Jakub Kicinski 2023-06-27 14:10 ` patchwork-bot+netdevbpf 1 sibling, 2 replies; 9+ messages in thread From: Matthieu Baerts @ 2023-06-26 9:02 UTC (permalink / raw) To: dhowells Cc: acme, adrian.hunter, alexander.shishkin, bpf, davem, irogers, jolsa, kuba, linux-kernel, linux-next, linux-perf-users, mark.rutland, mingo, namhyung, netdev, peterz, sfr, Matthieu Baerts, Arnaldo Carvalho de Melo Our MPTCP CI and Stephen got this error: In file included from builtin-trace.c:907: trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags': trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function) 28 | if (flags & MSG_##n) { | ^~~~ trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' 50 | P_MSG_FLAG(SPLICE_PAGES); | ^~~~~~~~~~ trace/beauty/msg_flags.c:28:21: note: each undeclared identifier is reported only once for each function it appears in 28 | if (flags & MSG_##n) { | ^~~~ trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' 50 | P_MSG_FLAG(SPLICE_PAGES); | ^~~~~~~~~~ The fix is similar to what was done with MSG_FASTOPEN: the new macro is defined if it is not defined in the system headers. Fixes: b848b26c6672 ("net: Kill MSG_SENDPAGE_NOTLAST") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Closes: https://lore.kernel.org/r/20230626112847.2ef3d422@canb.auug.org.au/ Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> --- Notes: @David: I solved it like that in MPTCP tree. Does it work for you too? I guess tools/perf/trace/beauty/include/linux/socket.h file still needs to be updated, not just to add MSG_SPLICE_PAGES but also other modifications done in this file. Maybe best to sync with Arnaldo because he might do it soon during the coming merge window I guess. Cc: David Howells <dhowells@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> tools/perf/trace/beauty/msg_flags.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/trace/beauty/msg_flags.c b/tools/perf/trace/beauty/msg_flags.c index 5cdebd7ece7e..aa9934020232 100644 --- a/tools/perf/trace/beauty/msg_flags.c +++ b/tools/perf/trace/beauty/msg_flags.c @@ -8,6 +8,9 @@ #ifndef MSG_WAITFORONE #define MSG_WAITFORONE 0x10000 #endif +#ifndef MSG_SPLICE_PAGES +#define MSG_SPLICE_PAGES 0x8000000 +#endif #ifndef MSG_FASTOPEN #define MSG_FASTOPEN 0x20000000 #endif base-commit: 9ae440b8fdd6772b6c007fa3d3766530a09c9045 -- 2.40.1 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error 2023-06-26 9:02 ` [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error Matthieu Baerts @ 2023-06-26 21:27 ` Jakub Kicinski 2023-06-26 21:41 ` Namhyung Kim 2023-06-27 14:10 ` patchwork-bot+netdevbpf 1 sibling, 1 reply; 9+ messages in thread From: Jakub Kicinski @ 2023-06-26 21:27 UTC (permalink / raw) To: Arnaldo Carvalho de Melo Cc: Matthieu Baerts, dhowells, acme, adrian.hunter, alexander.shishkin, bpf, davem, irogers, jolsa, linux-kernel, linux-next, linux-perf-users, mark.rutland, mingo, namhyung, netdev, peterz, sfr On Mon, 26 Jun 2023 11:02:39 +0200 Matthieu Baerts wrote: > Our MPTCP CI and Stephen got this error: > > In file included from builtin-trace.c:907: > trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags': > trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function) > 28 | if (flags & MSG_##n) { | ^~~~ > trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' > 50 | P_MSG_FLAG(SPLICE_PAGES); > | ^~~~~~~~~~ > trace/beauty/msg_flags.c:28:21: note: each undeclared identifier is reported only once for each function it appears in > 28 | if (flags & MSG_##n) { | ^~~~ > trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' > 50 | P_MSG_FLAG(SPLICE_PAGES); > | ^~~~~~~~~~ > > The fix is similar to what was done with MSG_FASTOPEN: the new macro is > defined if it is not defined in the system headers. > > Fixes: b848b26c6672 ("net: Kill MSG_SENDPAGE_NOTLAST") > Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> > Closes: https://lore.kernel.org/r/20230626112847.2ef3d422@canb.auug.org.au/ > Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> > --- > > Notes: > @David: I solved it like that in MPTCP tree. Does it work for you too? > > I guess tools/perf/trace/beauty/include/linux/socket.h file still needs > to be updated, not just to add MSG_SPLICE_PAGES but also other > modifications done in this file. Maybe best to sync with Arnaldo because > he might do it soon during the coming merge window I guess. > > Cc: David Howells <dhowells@redhat.com> > Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Hi Arnaldo, are you okay with us taking this into the networking tree? Or do you prefer to sync the header after everything lands in Linus's tree? ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error 2023-06-26 21:27 ` Jakub Kicinski @ 2023-06-26 21:41 ` Namhyung Kim 2023-06-26 21:49 ` Jakub Kicinski 0 siblings, 1 reply; 9+ messages in thread From: Namhyung Kim @ 2023-06-26 21:41 UTC (permalink / raw) To: Jakub Kicinski Cc: Arnaldo Carvalho de Melo, Matthieu Baerts, dhowells, acme, adrian.hunter, alexander.shishkin, bpf, davem, irogers, jolsa, linux-kernel, linux-next, linux-perf-users, mark.rutland, mingo, netdev, peterz, sfr Hello, On Mon, Jun 26, 2023 at 2:27 PM Jakub Kicinski <kuba@kernel.org> wrote: > > On Mon, 26 Jun 2023 11:02:39 +0200 Matthieu Baerts wrote: > > Our MPTCP CI and Stephen got this error: > > > > In file included from builtin-trace.c:907: > > trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags': > > trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function) > > 28 | if (flags & MSG_##n) { | ^~~~ > > trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' > > 50 | P_MSG_FLAG(SPLICE_PAGES); > > | ^~~~~~~~~~ > > trace/beauty/msg_flags.c:28:21: note: each undeclared identifier is reported only once for each function it appears in > > 28 | if (flags & MSG_##n) { | ^~~~ > > trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' > > 50 | P_MSG_FLAG(SPLICE_PAGES); > > | ^~~~~~~~~~ > > > > The fix is similar to what was done with MSG_FASTOPEN: the new macro is > > defined if it is not defined in the system headers. > > > > Fixes: b848b26c6672 ("net: Kill MSG_SENDPAGE_NOTLAST") > > Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> > > Closes: https://lore.kernel.org/r/20230626112847.2ef3d422@canb.auug.org.au/ > > Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> > > --- > > > > Notes: > > @David: I solved it like that in MPTCP tree. Does it work for you too? > > > > I guess tools/perf/trace/beauty/include/linux/socket.h file still needs > > to be updated, not just to add MSG_SPLICE_PAGES but also other > > modifications done in this file. Maybe best to sync with Arnaldo because > > he might do it soon during the coming merge window I guess. > > > > Cc: David Howells <dhowells@redhat.com> > > Cc: Arnaldo Carvalho de Melo <acme@redhat.com> > > Hi Arnaldo, are you okay with us taking this into the networking tree? > Or do you prefer to sync the header after everything lands in Linus's > tree? Arnaldo is on vacation now, and I'm taking care of the patches on behalf of him. As it's introduced in the networking tree, it should be fine to carry the fix together. I'll sync the header later. But in general you don't need to change the copy of the tools headers together. It also needs to support old & new kernels so different care should be taken. Please separate tooling changes and let us handle them. Thanks, Namhyung ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error 2023-06-26 21:41 ` Namhyung Kim @ 2023-06-26 21:49 ` Jakub Kicinski 2023-06-27 3:31 ` Matthieu Baerts 0 siblings, 1 reply; 9+ messages in thread From: Jakub Kicinski @ 2023-06-26 21:49 UTC (permalink / raw) To: Namhyung Kim Cc: Arnaldo Carvalho de Melo, Matthieu Baerts, dhowells, acme, adrian.hunter, alexander.shishkin, bpf, davem, irogers, jolsa, linux-kernel, linux-next, linux-perf-users, mark.rutland, mingo, netdev, peterz, sfr On Mon, 26 Jun 2023 14:41:56 -0700 Namhyung Kim wrote: > > Hi Arnaldo, are you okay with us taking this into the networking tree? > > Or do you prefer to sync the header after everything lands in Linus's > > tree? > > Arnaldo is on vacation now, and I'm taking care of the patches > on behalf of him. > > As it's introduced in the networking tree, it should be fine to > carry the fix together. I'll sync the header later. Will do, thanks! > But in general you don't need to change the copy of the tools > headers together. It also needs to support old & new kernels > so different care should be taken. Please separate tooling > changes and let us handle them. Ack, I'm not sure what makes this a special case, from Stephen's original report: https://lore.kernel.org/all/20230626112847.2ef3d422@canb.auug.org.au/ it sounded like perf won't build without the fix. ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error 2023-06-26 21:49 ` Jakub Kicinski @ 2023-06-27 3:31 ` Matthieu Baerts 0 siblings, 0 replies; 9+ messages in thread From: Matthieu Baerts @ 2023-06-27 3:31 UTC (permalink / raw) To: Jakub Kicinski Cc: Namhyung Kim, Arnaldo Carvalho de Melo, dhowells, acme, adrian.hunter, alexander.shishkin, bpf, davem, irogers, jolsa, linux-kernel, linux-next, linux-perf-users, mark.rutland, mingo, netdev, peterz, sfr Hi Jakub, Namhyung, @Namhyung: thank you for the explanations about the header files in the other thread! 26 Jun 2023 23:49:36 Jakub Kicinski <kuba@kernel.org>: > On Mon, 26 Jun 2023 14:41:56 -0700 Namhyung Kim wrote: > >> But in general you don't need to change the copy of the tools >> headers together. It also needs to support old & new kernels >> so different care should be taken. Please separate tooling >> changes and let us handle them. > > Ack, I'm not sure what makes this a special case, from Stephen's > original report: > > https://lore.kernel.org/all/20230626112847.2ef3d422@canb.auug.org.au/ > > it sounded like perf won't build without the fix. The copy of the header file is confusing :) If I understood properly, here, we need the modification in msg_flags.c from Perf code because this file has been recently modified by David's series in net-next to support a new flag (not present in the system header files yet). Without this patch, Perf doesn't build. Now regarding the "internal" copy of header files: we don't need to modify it because it is just used by Perf maintainers to monitor the modifications in the original file. If I'm not mistaken, it might even be better to revert the line that has been removed in David's original series in net-next in this header file. But now that Namhyung is aware of that modification, I guess the revert is probably not needed. But in short, it is then better not to modify this header file in the networking tree :-) Cheers, Matt -- Tessares | Belgium | Hybrid Access Solutions www.tessares.net ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error 2023-06-26 9:02 ` [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error Matthieu Baerts 2023-06-26 21:27 ` Jakub Kicinski @ 2023-06-27 14:10 ` patchwork-bot+netdevbpf 1 sibling, 0 replies; 9+ messages in thread From: patchwork-bot+netdevbpf @ 2023-06-27 14:10 UTC (permalink / raw) To: Matthieu Baerts Cc: dhowells, acme, adrian.hunter, alexander.shishkin, bpf, davem, irogers, jolsa, kuba, linux-kernel, linux-next, linux-perf-users, mark.rutland, mingo, namhyung, netdev, peterz, sfr, acme Hello: This patch was applied to netdev/net-next.git (main) by Paolo Abeni <pabeni@redhat.com>: On Mon, 26 Jun 2023 11:02:39 +0200 you wrote: > Our MPTCP CI and Stephen got this error: > > In file included from builtin-trace.c:907: > trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags': > trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function) > 28 | if (flags & MSG_##n) { | ^~~~ > trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' > 50 | P_MSG_FLAG(SPLICE_PAGES); > | ^~~~~~~~~~ > trace/beauty/msg_flags.c:28:21: note: each undeclared identifier is reported only once for each function it appears in > 28 | if (flags & MSG_##n) { | ^~~~ > trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG' > 50 | P_MSG_FLAG(SPLICE_PAGES); > | ^~~~~~~~~~ > > [...] Here is the summary with links: - [net-next] perf trace: fix MSG_SPLICE_PAGES build error https://git.kernel.org/netdev/net-next/c/2553a5270d6c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html ^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2023-06-27 14:10 UTC | newest] Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-06-26 1:28 linux-next: build failure after merge of the net-next tree Stephen Rothwell 2023-06-26 7:48 ` David Howells 2023-06-26 8:12 ` Stephen Rothwell 2023-06-26 9:02 ` [PATCH net-next] perf trace: fix MSG_SPLICE_PAGES build error Matthieu Baerts 2023-06-26 21:27 ` Jakub Kicinski 2023-06-26 21:41 ` Namhyung Kim 2023-06-26 21:49 ` Jakub Kicinski 2023-06-27 3:31 ` Matthieu Baerts 2023-06-27 14:10 ` patchwork-bot+netdevbpf
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