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Date: Wed, 1 Nov 2017 09:27:43 +0100 From: Ingo Molnar <mingo@...nel.org> To: Peter Zijlstra <peterz@...radead.org> Cc: Stephen Rothwell <sfr@...b.auug.org.au>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>, David Miller <davem@...emloft.net>, Networking <netdev@...r.kernel.org>, Linux-Next Mailing List <linux-next@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Yonghong Song <yhs@...com> Subject: Re: linux-next: manual merge of the tip tree with the net-next tree * Peter Zijlstra <peterz@...radead.org> wrote: > On Wed, Nov 01, 2017 at 06:15:54PM +1100, Stephen Rothwell wrote: > > Hi all, > > > > Today's linux-next merge of the tip tree got a conflict in: > > > > kernel/trace/bpf_trace.c > > > > between commits: > > > > 97562633bcba ("bpf: perf event change needed for subsequent bpf helpers") > > and more changes ... > > > > from the net-next tree and commit: > > > > 7d9285e82db5 ("perf/bpf: Extend the perf_event_read_local() interface, a.k.a. "bpf: perf event change needed for subsequent bpf helpers"") > > > > from the tip tree. > > So those should be the exact same patch; except for Changelog and > subject. Code wise there shouldn't be a conflict. So the problem is that then we have: 0d3d73aac2ff ("perf/core: Rewrite event timekeeping") which changes the code. This is a known conflict generation pattern: Git isn't smart enough to sort out that (probably because it would make merges too expensive) - and it's a bad flow in any case. Thanks, Ingo
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